2950 lines
90 KiB
C++
2950 lines
90 KiB
C++
// Copyright (C) 2013 Patryk Nadrowski
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// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
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// OpenGL ES driver implemented by Christian Stehno and first OpenGL ES 2.0
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// driver implemented by Amundis.
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in Irrlicht.h
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#include "COGLES2Driver.h"
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// needed here also because of the create methods' parameters
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#include "CNullDriver.h"
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#ifdef _IRR_COMPILE_WITH_OGLES2_
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#include "COGLES2Texture.h"
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#include "COGLES2MaterialRenderer.h"
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#include "COGLES2FixedPipelineRenderer.h"
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#include "COGLES2NormalMapRenderer.h"
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#include "COGLES2ParallaxMapRenderer.h"
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#include "COGLES2Renderer2D.h"
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#include "CContextEGL.h"
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#include "CImage.h"
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#include "os.h"
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#if defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
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#include <OpenGLES/ES2/gl.h>
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#include <OpenGLES/ES2/glext.h>
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#else
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#include <GLES2/gl2.h>
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#endif
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namespace irr
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{
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namespace video
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{
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bool useCoreContext = true;
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//! constructor and init code
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COGLES2Driver::COGLES2Driver(const SIrrlichtCreationParameters& params,
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const SExposedVideoData& data, io::IFileSystem* io
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#if defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
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, CIrrDeviceIPhone* device
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#endif
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)
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: CNullDriver(io, params.WindowSize), COGLES2ExtensionHandler(),
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BridgeCalls(0), CurrentRenderMode(ERM_NONE), ResetRenderStates(true),
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Transformation3DChanged(true), AntiAlias(params.AntiAlias),
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RenderTargetTexture(0), CurrentRendertargetSize(0, 0), ColorFormat(ECF_R8G8B8)
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#if defined(_IRR_COMPILE_WITH_EGL_)
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, EglContext(0)
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, EglContextExternal(false)
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#elif defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
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, ViewFramebuffer(0)
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, ViewRenderbuffer(0)
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, ViewDepthRenderbuffer(0)
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#endif
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#if defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
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, HDc(0)
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#endif
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, Params(params)
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{
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#ifdef _DEBUG
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setDebugName("COGLES2Driver");
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#endif
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ExposedData = data;
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#if defined(_IRR_COMPILE_WITH_EGL_)
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EglContext = new ContextManagerEGL();
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ContextEGLParams egl_params;
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egl_params.opengl_api = CEGL_API_OPENGL_ES;
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egl_params.surface_type = CEGL_SURFACE_WINDOW;
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egl_params.handle_srgb = Params.HandleSRGB;
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egl_params.force_legacy_device = Params.ForceLegacyDevice;
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egl_params.with_alpha_channel = Params.WithAlphaChannel;
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egl_params.vsync_enabled = Params.Vsync;
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#if defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
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egl_params.window = (EGLNativeWindowType)(data.OpenGLWin32.HWnd);
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HDc = GetDC(data.OpenGLWin32.HWnd);
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egl_params.display = (NativeDisplayType)(HDc);
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#elif defined(_IRR_COMPILE_WITH_X11_DEVICE_)
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egl_params.window = (EGLNativeWindowType)(data.OpenGLLinux.X11Window);
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egl_params.display = (EGLNativeDisplayType)(data.OpenGLLinux.X11Display);
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#elif defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_)
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egl_params.window = ((struct android_app *)(params.PrivateData))->window;
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egl_params.display = NULL;
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#endif
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EglContext->init(egl_params);
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useCoreContext = !EglContext->isLegacyDevice();
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genericDriverInit(params.WindowSize, params.Stencilbuffer);
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#ifdef _IRR_COMPILE_WITH_ANDROID_DEVICE_
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int width = 0;
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int height = 0;
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EglContext->getSurfaceDimensions(&width, &height);
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CNullDriver::ScreenSize = core::dimension2d<u32>(width, height);
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#endif
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#elif defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
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Device = device;
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glGenFramebuffers(1, &ViewFramebuffer);
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glGenRenderbuffers(1, &ViewRenderbuffer);
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glBindRenderbuffer(GL_RENDERBUFFER, ViewRenderbuffer);
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ExposedData.OGLESIPhone.AppDelegate = Device;
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Device->displayInitialize(&ExposedData.OGLESIPhone.Context, &ExposedData.OGLESIPhone.View);
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GLint backingWidth;
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GLint backingHeight;
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glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_WIDTH, &backingWidth);
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glGetRenderbufferParameteriv(GL_RENDERBUFFER, GL_RENDERBUFFER_HEIGHT, &backingHeight);
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glGenRenderbuffers(1, &ViewDepthRenderbuffer);
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glBindRenderbuffer(GL_RENDERBUFFER, ViewDepthRenderbuffer);
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GLenum depthComponent = GL_DEPTH_COMPONENT16;
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if(params.ZBufferBits >= 24)
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depthComponent = GL_DEPTH_COMPONENT24_OES;
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glRenderbufferStorage(GL_RENDERBUFFER, depthComponent, backingWidth, backingHeight);
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glBindFramebuffer(GL_FRAMEBUFFER, ViewFramebuffer);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, ViewRenderbuffer);
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glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, ViewDepthRenderbuffer);
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core::dimension2d<u32> WindowSize(backingWidth, backingHeight);
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CNullDriver::ScreenSize = WindowSize;
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CNullDriver::ViewPort = core::rect<s32>(core::position2d<s32>(0,0), core::dimension2di(WindowSize));
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genericDriverInit(WindowSize, params.Stencilbuffer);
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#endif
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}
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#ifdef _IRR_COMPILE_WITH_WAYLAND_DEVICE_
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COGLES2Driver::COGLES2Driver(const SIrrlichtCreationParameters& params,
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io::IFileSystem* io, CIrrDeviceWayland* device)
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: CNullDriver(io, params.WindowSize), COGLES2ExtensionHandler(),
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BridgeCalls(0), CurrentRenderMode(ERM_NONE), ResetRenderStates(true),
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Transformation3DChanged(true), AntiAlias(params.AntiAlias),
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RenderTargetTexture(0), CurrentRendertargetSize(0, 0),
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ColorFormat(ECF_R8G8B8), EglContext(0), EglContextExternal(false),
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Params(params)
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{
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EglContext = device->getEGLContext();
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EglContextExternal = true;
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genericDriverInit(params.WindowSize, params.Stencilbuffer);
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}
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#endif
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//! destructor
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COGLES2Driver::~COGLES2Driver()
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{
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deleteMaterialRenders();
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delete MaterialRenderer2D;
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deleteAllTextures();
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if (BridgeCalls)
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delete BridgeCalls;
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#if defined(_IRR_COMPILE_WITH_EGL_)
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if (!EglContextExternal)
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delete EglContext;
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#if defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_)
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if (HDc)
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ReleaseDC((ExposedData.OpenGLWin32.HWnd, HDc);
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#endif
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#elif defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
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if (0 != ViewFramebuffer)
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{
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glDeleteFramebuffers(1,&ViewFramebuffer);
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ViewFramebuffer = 0;
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}
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if (0 != ViewRenderbuffer)
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{
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glDeleteRenderbuffers(1,&ViewRenderbuffer);
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ViewRenderbuffer = 0;
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}
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if (0 != ViewDepthRenderbuffer)
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{
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glDeleteRenderbuffers(1,&ViewDepthRenderbuffer);
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ViewDepthRenderbuffer = 0;
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}
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#endif
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}
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// -----------------------------------------------------------------------
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// METHODS
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// -----------------------------------------------------------------------
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bool COGLES2Driver::genericDriverInit(const core::dimension2d<u32>& screenSize, bool stencilBuffer)
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{
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Name = glGetString(GL_VERSION);
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printVersion();
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// print renderer information
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vendorName = glGetString(GL_VENDOR);
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os::Printer::log(vendorName.c_str(), ELL_INFORMATION);
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u32 i;
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for (i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
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CurrentTexture[i] = 0;
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// load extensions
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initExtensions(this, stencilBuffer);
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if (!BridgeCalls)
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BridgeCalls = new COGLES2CallBridge(this);
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StencilBuffer = stencilBuffer;
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DriverAttributes->setAttribute("MaxTextures", MaxTextureUnits);
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DriverAttributes->setAttribute("MaxSupportedTextures", MaxSupportedTextures);
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// DriverAttributes->setAttribute("MaxLights", MaxLights);
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DriverAttributes->setAttribute("MaxAnisotropy", MaxAnisotropy);
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// DriverAttributes->setAttribute("MaxUserClipPlanes", MaxUserClipPlanes);
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// DriverAttributes->setAttribute("MaxAuxBuffers", MaxAuxBuffers);
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// DriverAttributes->setAttribute("MaxMultipleRenderTargets", MaxMultipleRenderTargets);
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DriverAttributes->setAttribute("MaxIndices", (s32)MaxIndices);
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DriverAttributes->setAttribute("MaxTextureSize", (s32)MaxTextureSize);
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DriverAttributes->setAttribute("MaxTextureLODBias", MaxTextureLODBias);
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DriverAttributes->setAttribute("Version", Version);
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DriverAttributes->setAttribute("AntiAlias", AntiAlias);
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glPixelStorei(GL_PACK_ALIGNMENT, 1);
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// Reset The Current Viewport
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BridgeCalls->setViewport(core::rect<s32>(0, 0, screenSize.Width, screenSize.Height));
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UserClipPlane.reallocate(0);
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setAmbientLight(SColorf(0.0f, 0.0f, 0.0f, 0.0f));
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glClearDepthf(1.0f);
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//TODO : OpenGL ES 2.0 Port : GL_PERSPECTIVE_CORRECTION_HINT
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//glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST);
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glHint(GL_GENERATE_MIPMAP_HINT, GL_FASTEST);
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glDepthFunc(GL_LEQUAL);
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glFrontFace(GL_CW);
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// create material renderers
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createMaterialRenderers();
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// set the renderstates
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setRenderStates3DMode();
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// set fog mode
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setFog(FogColor, FogType, FogStart, FogEnd, FogDensity, PixelFog, RangeFog);
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// create matrix for flipping textures
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TextureFlipMatrix.buildTextureTransform(0.0f, core::vector2df(0, 0), core::vector2df(0, 1.0f), core::vector2df(1.0f, -1.0f));
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// We need to reset once more at the beginning of the first rendering.
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// This fixes problems with intermediate changes to the material during texture load.
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ResetRenderStates = true;
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testGLError();
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return true;
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}
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void COGLES2Driver::createMaterialRenderers()
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{
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// Load shaders from files (in future shaders will be merged with source code).
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// Fixed pipeline.
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core::stringc shaders_path = IRR_OGLES2_SHADER_PATH;
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if (Params.ShadersPath.size() > 0)
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shaders_path = Params.ShadersPath;
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core::stringc FPVSPath = shaders_path;
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FPVSPath += "COGLES2FixedPipeline.vsh";
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core::stringc FPFSPath = shaders_path;
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FPFSPath += "COGLES2FixedPipeline.fsh";
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io::IReadFile* FPVSFile = FileSystem->createAndOpenFile(FPVSPath);
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io::IReadFile* FPFSFile = FileSystem->createAndOpenFile(FPFSPath);
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c8* FPVSData = 0;
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c8* FPFSData = 0;
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long Size = FPVSFile ? FPVSFile->getSize() : 0;
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if (Size)
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{
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FPVSData = new c8[Size+1];
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FPVSFile->read(FPVSData, Size);
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FPVSData[Size] = 0;
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}
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Size = FPFSFile ? FPFSFile->getSize() : 0;
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if (Size)
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{
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// if both handles are the same we must reset the file
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if (FPFSFile == FPVSFile)
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FPFSFile->seek(0);
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FPFSData = new c8[Size+1];
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FPFSFile->read(FPFSData, Size);
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FPFSData[Size] = 0;
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}
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if (FPVSFile)
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FPVSFile->drop();
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if (FPFSFile)
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FPFSFile->drop();
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// Normal Mapping.
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core::stringc NMVSPath = shaders_path;
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NMVSPath += "COGLES2NormalMap.vsh";
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core::stringc NMFSPath = shaders_path;
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NMFSPath += "COGLES2NormalMap.fsh";
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io::IReadFile* NMVSFile = FileSystem->createAndOpenFile(NMVSPath);
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io::IReadFile* NMFSFile = FileSystem->createAndOpenFile(NMFSPath);
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c8* NMVSData = 0;
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c8* NMFSData = 0;
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Size = NMVSFile ? NMVSFile->getSize() : 0;
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if (Size)
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{
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NMVSData = new c8[Size+1];
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NMVSFile->read(NMVSData, Size);
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NMVSData[Size] = 0;
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}
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Size = NMFSFile ? NMFSFile->getSize() : 0;
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if (Size)
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{
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// if both handles are the same we must reset the file
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if (NMFSFile == NMVSFile)
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NMFSFile->seek(0);
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NMFSData = new c8[Size+1];
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NMFSFile->read(NMFSData, Size);
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NMFSData[Size] = 0;
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}
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if (NMVSFile)
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NMVSFile->drop();
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if (NMFSFile)
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NMFSFile->drop();
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// Parallax Mapping.
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core::stringc PMVSPath = shaders_path;
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PMVSPath += "COGLES2ParallaxMap.vsh";
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core::stringc PMFSPath = shaders_path;
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PMFSPath += "COGLES2ParallaxMap.fsh";
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io::IReadFile* PMVSFile = FileSystem->createAndOpenFile(FPVSPath);
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io::IReadFile* PMFSFile = FileSystem->createAndOpenFile(FPFSPath);
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c8* PMVSData = 0;
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c8* PMFSData = 0;
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Size = PMVSFile ? PMVSFile->getSize() : 0;
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if (Size)
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{
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PMVSData = new c8[Size+1];
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PMVSFile->read(PMVSData, Size);
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PMVSData[Size] = 0;
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}
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Size = PMFSFile ? PMFSFile->getSize() : 0;
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if (Size)
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{
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// if both handles are the same we must reset the file
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if (PMFSFile == PMVSFile)
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PMFSFile->seek(0);
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PMFSData = new c8[Size+1];
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PMFSFile->read(PMFSData, Size);
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PMFSData[Size] = 0;
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}
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if (PMVSFile)
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PMVSFile->drop();
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if (PMFSFile)
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PMFSFile->drop();
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// Create materials.
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_SOLID, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_SOLID_2_LAYER, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_ADD, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_M2, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_M4, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_LIGHTING, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_LIGHTING_M2, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_LIGHTMAP_LIGHTING_M4, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_DETAIL_MAP, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_SPHERE_MAP, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_REFLECTION_2_LAYER, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_TRANSPARENT_ADD_COLOR, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_TRANSPARENT_ALPHA_CHANNEL, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_TRANSPARENT_ALPHA_CHANNEL_REF, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_TRANSPARENT_VERTEX_ALPHA, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_TRANSPARENT_REFLECTION_2_LAYER, this));
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if (!useCoreContext)
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{
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addAndDropMaterialRenderer(new COGLES2NormalMapRenderer(NMVSData, NMFSData, EMT_NORMAL_MAP_SOLID, this));
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addAndDropMaterialRenderer(new COGLES2NormalMapRenderer(NMVSData, NMFSData, EMT_NORMAL_MAP_TRANSPARENT_ADD_COLOR, this));
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addAndDropMaterialRenderer(new COGLES2NormalMapRenderer(NMVSData, NMFSData, EMT_NORMAL_MAP_TRANSPARENT_VERTEX_ALPHA, this));
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}
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addAndDropMaterialRenderer(new COGLES2ParallaxMapRenderer(PMVSData, PMFSData, EMT_PARALLAX_MAP_SOLID, this));
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addAndDropMaterialRenderer(new COGLES2ParallaxMapRenderer(PMVSData, PMFSData, EMT_PARALLAX_MAP_TRANSPARENT_ADD_COLOR, this));
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addAndDropMaterialRenderer(new COGLES2ParallaxMapRenderer(PMVSData, PMFSData, EMT_PARALLAX_MAP_TRANSPARENT_VERTEX_ALPHA, this));
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addAndDropMaterialRenderer(new COGLES2FixedPipelineRenderer(FPVSData, FPFSData, EMT_ONETEXTURE_BLEND, this));
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delete[] FPVSData;
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delete[] FPFSData;
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delete[] NMVSData;
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delete[] NMFSData;
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delete[] PMVSData;
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delete[] PMFSData;
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// Create 2D material renderer.
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core::stringc R2DVSPath = shaders_path;
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R2DVSPath += "COGLES2Renderer2D.vsh";
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core::stringc R2DFSPath = shaders_path;
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R2DFSPath += "COGLES2Renderer2D.fsh";
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io::IReadFile* R2DVSFile = FileSystem->createAndOpenFile(R2DVSPath);
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io::IReadFile* R2DFSFile = FileSystem->createAndOpenFile(R2DFSPath);
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c8* R2DVSData = 0;
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c8* R2DFSData = 0;
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Size = R2DVSFile ? R2DVSFile->getSize() : 0;
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if (Size)
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{
|
|
R2DVSData = new c8[Size+1];
|
|
R2DVSFile->read(R2DVSData, Size);
|
|
R2DVSData[Size] = 0;
|
|
}
|
|
|
|
Size = R2DFSFile ? R2DFSFile->getSize() : 0;
|
|
|
|
if (Size)
|
|
{
|
|
// if both handles are the same we must reset the file
|
|
if (R2DFSFile == PMVSFile)
|
|
R2DFSFile->seek(0);
|
|
|
|
R2DFSData = new c8[Size+1];
|
|
R2DFSFile->read(R2DFSData, Size);
|
|
R2DFSData[Size] = 0;
|
|
}
|
|
|
|
if (R2DVSFile)
|
|
R2DVSFile->drop();
|
|
|
|
if (R2DFSFile)
|
|
R2DFSFile->drop();
|
|
|
|
MaterialRenderer2D = new COGLES2Renderer2D(R2DVSData, R2DFSData, this);
|
|
|
|
delete[] R2DVSData;
|
|
delete[] R2DFSData;
|
|
}
|
|
|
|
|
|
//! presents the rendered scene on the screen, returns false if failed
|
|
bool COGLES2Driver::endScene()
|
|
{
|
|
CNullDriver::endScene();
|
|
|
|
#if defined(_IRR_COMPILE_WITH_EGL_)
|
|
bool res = EglContext->swapBuffers();
|
|
|
|
if (!res)
|
|
{
|
|
os::Printer::log("Could not swap buffers for OpenGL-ES2 driver.");
|
|
return false;
|
|
}
|
|
#elif defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
|
|
glFlush();
|
|
glBindRenderbuffer(GL_RENDERBUFFER, ViewRenderbuffer);
|
|
Device->displayEnd();
|
|
#endif
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//! clears the zbuffer
|
|
bool COGLES2Driver::beginScene(bool backBuffer, bool zBuffer, SColor color,
|
|
const SExposedVideoData& videoData, core::rect<s32>* sourceRect)
|
|
{
|
|
CNullDriver::beginScene(backBuffer, zBuffer, color);
|
|
|
|
GLbitfield mask = 0;
|
|
|
|
if (backBuffer)
|
|
{
|
|
const f32 inv = 1.0f / 255.0f;
|
|
glClearColor(color.getRed() * inv, color.getGreen() * inv,
|
|
color.getBlue() * inv, color.getAlpha() * inv);
|
|
|
|
mask |= GL_COLOR_BUFFER_BIT;
|
|
}
|
|
|
|
if (zBuffer)
|
|
{
|
|
glDepthMask(GL_TRUE);
|
|
LastMaterial.ZWriteEnable = true;
|
|
mask |= GL_DEPTH_BUFFER_BIT;
|
|
}
|
|
|
|
glClear(mask);
|
|
testGLError();
|
|
return true;
|
|
}
|
|
|
|
|
|
//! Returns the transformation set by setTransform
|
|
const core::matrix4& COGLES2Driver::getTransform(E_TRANSFORMATION_STATE state) const
|
|
{
|
|
return Matrices[state];
|
|
}
|
|
|
|
|
|
//! sets transformation
|
|
void COGLES2Driver::setTransform(E_TRANSFORMATION_STATE state, const core::matrix4& mat)
|
|
{
|
|
Matrices[state] = mat;
|
|
Transformation3DChanged = true;
|
|
}
|
|
|
|
|
|
bool COGLES2Driver::updateVertexHardwareBuffer(SHWBufferLink_opengl *HWBuffer)
|
|
{
|
|
if (!HWBuffer)
|
|
return false;
|
|
|
|
const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
|
|
const void* vertices = mb->getVertices();
|
|
const u32 vertexCount = mb->getVertexCount();
|
|
const E_VERTEX_TYPE vType = mb->getVertexType();
|
|
const u32 vertexSize = getVertexPitchFromType(vType);
|
|
|
|
//buffer vertex data, and convert colours...
|
|
core::array<c8> buffer(vertexSize * vertexCount);
|
|
memcpy(buffer.pointer(), vertices, vertexSize * vertexCount);
|
|
|
|
//get or create buffer
|
|
bool newBuffer = false;
|
|
if (!HWBuffer->vbo_verticesID)
|
|
{
|
|
glGenBuffers(1, &HWBuffer->vbo_verticesID);
|
|
if (!HWBuffer->vbo_verticesID) return false;
|
|
newBuffer = true;
|
|
}
|
|
else if (HWBuffer->vbo_verticesSize < vertexCount*vertexSize)
|
|
{
|
|
newBuffer = true;
|
|
}
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID);
|
|
|
|
//copy data to graphics card
|
|
glGetError(); // clear error storage
|
|
if (!newBuffer)
|
|
glBufferSubData(GL_ARRAY_BUFFER, 0, vertexCount * vertexSize, buffer.const_pointer());
|
|
else
|
|
{
|
|
HWBuffer->vbo_verticesSize = vertexCount * vertexSize;
|
|
|
|
if (HWBuffer->Mapped_Vertex == scene::EHM_STATIC)
|
|
glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_STATIC_DRAW);
|
|
else
|
|
glBufferData(GL_ARRAY_BUFFER, vertexCount * vertexSize, buffer.const_pointer(), GL_DYNAMIC_DRAW);
|
|
}
|
|
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
|
|
return (glGetError() == GL_NO_ERROR);
|
|
}
|
|
|
|
|
|
bool COGLES2Driver::updateIndexHardwareBuffer(SHWBufferLink_opengl *HWBuffer)
|
|
{
|
|
if (!HWBuffer)
|
|
return false;
|
|
|
|
const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
|
|
|
|
const void* indices = mb->getIndices();
|
|
u32 indexCount = mb->getIndexCount();
|
|
|
|
GLenum indexSize;
|
|
switch (mb->getIndexType())
|
|
{
|
|
case(EIT_16BIT):
|
|
{
|
|
indexSize = sizeof(u16);
|
|
break;
|
|
}
|
|
case(EIT_32BIT):
|
|
{
|
|
indexSize = sizeof(u32);
|
|
break;
|
|
}
|
|
default:
|
|
{
|
|
return false;
|
|
}
|
|
}
|
|
|
|
//get or create buffer
|
|
bool newBuffer = false;
|
|
if (!HWBuffer->vbo_indicesID)
|
|
{
|
|
glGenBuffers(1, &HWBuffer->vbo_indicesID);
|
|
if (!HWBuffer->vbo_indicesID) return false;
|
|
newBuffer = true;
|
|
}
|
|
else if (HWBuffer->vbo_indicesSize < indexCount*indexSize)
|
|
{
|
|
newBuffer = true;
|
|
}
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID);
|
|
|
|
//copy data to graphics card
|
|
glGetError(); // clear error storage
|
|
if (!newBuffer)
|
|
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, indexCount * indexSize, indices);
|
|
else
|
|
{
|
|
HWBuffer->vbo_indicesSize = indexCount * indexSize;
|
|
|
|
if (HWBuffer->Mapped_Index == scene::EHM_STATIC)
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_STATIC_DRAW);
|
|
else
|
|
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexCount * indexSize, indices, GL_DYNAMIC_DRAW);
|
|
}
|
|
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
|
|
return (glGetError() == GL_NO_ERROR);
|
|
}
|
|
|
|
|
|
//! updates hardware buffer if needed
|
|
bool COGLES2Driver::updateHardwareBuffer(SHWBufferLink *HWBuffer)
|
|
{
|
|
if (!HWBuffer)
|
|
return false;
|
|
|
|
if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER)
|
|
{
|
|
if (HWBuffer->ChangedID_Vertex != HWBuffer->MeshBuffer->getChangedID_Vertex()
|
|
|| !((SHWBufferLink_opengl*)HWBuffer)->vbo_verticesID)
|
|
{
|
|
|
|
HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex();
|
|
|
|
if (!updateVertexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (HWBuffer->Mapped_Index != scene::EHM_NEVER)
|
|
{
|
|
if (HWBuffer->ChangedID_Index != HWBuffer->MeshBuffer->getChangedID_Index()
|
|
|| !((SHWBufferLink_opengl*)HWBuffer)->vbo_indicesID)
|
|
{
|
|
|
|
HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index();
|
|
|
|
if (!updateIndexHardwareBuffer((SHWBufferLink_opengl*)HWBuffer))
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
//! Create hardware buffer from meshbuffer
|
|
COGLES2Driver::SHWBufferLink *COGLES2Driver::createHardwareBuffer(const scene::IMeshBuffer* mb)
|
|
{
|
|
if (!mb || (mb->getHardwareMappingHint_Index() == scene::EHM_NEVER && mb->getHardwareMappingHint_Vertex() == scene::EHM_NEVER))
|
|
return 0;
|
|
|
|
SHWBufferLink_opengl *HWBuffer = new SHWBufferLink_opengl(mb);
|
|
|
|
//add to map
|
|
HWBufferMap.insert(HWBuffer->MeshBuffer, HWBuffer);
|
|
|
|
HWBuffer->ChangedID_Vertex = HWBuffer->MeshBuffer->getChangedID_Vertex();
|
|
HWBuffer->ChangedID_Index = HWBuffer->MeshBuffer->getChangedID_Index();
|
|
HWBuffer->Mapped_Vertex = mb->getHardwareMappingHint_Vertex();
|
|
HWBuffer->Mapped_Index = mb->getHardwareMappingHint_Index();
|
|
HWBuffer->LastUsed = 0;
|
|
HWBuffer->vbo_verticesID = 0;
|
|
HWBuffer->vbo_indicesID = 0;
|
|
HWBuffer->vbo_verticesSize = 0;
|
|
HWBuffer->vbo_indicesSize = 0;
|
|
|
|
if (!updateHardwareBuffer(HWBuffer))
|
|
{
|
|
deleteHardwareBuffer(HWBuffer);
|
|
return 0;
|
|
}
|
|
|
|
return HWBuffer;
|
|
}
|
|
|
|
|
|
void COGLES2Driver::deleteHardwareBuffer(SHWBufferLink *_HWBuffer)
|
|
{
|
|
if (!_HWBuffer)
|
|
return;
|
|
|
|
SHWBufferLink_opengl *HWBuffer = (SHWBufferLink_opengl*)_HWBuffer;
|
|
if (HWBuffer->vbo_verticesID)
|
|
{
|
|
glDeleteBuffers(1, &HWBuffer->vbo_verticesID);
|
|
HWBuffer->vbo_verticesID = 0;
|
|
}
|
|
if (HWBuffer->vbo_indicesID)
|
|
{
|
|
glDeleteBuffers(1, &HWBuffer->vbo_indicesID);
|
|
HWBuffer->vbo_indicesID = 0;
|
|
}
|
|
|
|
CNullDriver::deleteHardwareBuffer(_HWBuffer);
|
|
}
|
|
|
|
|
|
//! Draw hardware buffer
|
|
void COGLES2Driver::drawHardwareBuffer(SHWBufferLink *_HWBuffer)
|
|
{
|
|
if (!_HWBuffer)
|
|
return;
|
|
|
|
SHWBufferLink_opengl *HWBuffer = (SHWBufferLink_opengl*)_HWBuffer;
|
|
|
|
updateHardwareBuffer(HWBuffer); //check if update is needed
|
|
|
|
HWBuffer->LastUsed = 0;//reset count
|
|
|
|
const scene::IMeshBuffer* mb = HWBuffer->MeshBuffer;
|
|
const void *vertices = mb->getVertices();
|
|
const void *indexList = mb->getIndices();
|
|
|
|
if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER)
|
|
{
|
|
glBindBuffer(GL_ARRAY_BUFFER, HWBuffer->vbo_verticesID);
|
|
vertices = 0;
|
|
}
|
|
|
|
if (HWBuffer->Mapped_Index != scene::EHM_NEVER)
|
|
{
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, HWBuffer->vbo_indicesID);
|
|
indexList = 0;
|
|
}
|
|
|
|
|
|
drawVertexPrimitiveList(vertices, mb->getVertexCount(),
|
|
indexList, mb->getIndexCount() / 3,
|
|
mb->getVertexType(), scene::EPT_TRIANGLES,
|
|
mb->getIndexType());
|
|
|
|
if (HWBuffer->Mapped_Vertex != scene::EHM_NEVER)
|
|
glBindBuffer(GL_ARRAY_BUFFER, 0);
|
|
|
|
if (HWBuffer->Mapped_Index != scene::EHM_NEVER)
|
|
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
|
|
}
|
|
|
|
|
|
// small helper function to create vertex buffer object adress offsets
|
|
static inline u8* buffer_offset(const long offset)
|
|
{
|
|
return ((u8*)0 + offset);
|
|
}
|
|
|
|
|
|
//! draws a vertex primitive list
|
|
void COGLES2Driver::drawVertexPrimitiveList(const void* vertices, u32 vertexCount,
|
|
const void* indexList, u32 primitiveCount,
|
|
E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType)
|
|
{
|
|
testGLError();
|
|
if (!checkPrimitiveCount(primitiveCount))
|
|
return;
|
|
|
|
setRenderStates3DMode();
|
|
|
|
drawVertexPrimitiveList2d3d(vertices, vertexCount, (const u16*)indexList, primitiveCount, vType, pType, iType);
|
|
}
|
|
|
|
|
|
void COGLES2Driver::drawVertexPrimitiveList2d3d(const void* vertices, u32 vertexCount,
|
|
const void* indexList, u32 primitiveCount,
|
|
E_VERTEX_TYPE vType, scene::E_PRIMITIVE_TYPE pType, E_INDEX_TYPE iType, bool threed)
|
|
{
|
|
if (!primitiveCount || !vertexCount)
|
|
return;
|
|
|
|
if (!threed && !checkPrimitiveCount(primitiveCount))
|
|
return;
|
|
|
|
CNullDriver::drawVertexPrimitiveList(vertices, vertexCount, indexList, primitiveCount, vType, pType, iType);
|
|
|
|
//TODO: treat #ifdef GL_OES_point_size_array outside this if
|
|
{
|
|
glEnableVertexAttribArray(EVA_COLOR);
|
|
glEnableVertexAttribArray(EVA_POSITION);
|
|
if ((pType != scene::EPT_POINTS) && (pType != scene::EPT_POINT_SPRITES))
|
|
{
|
|
glEnableVertexAttribArray(EVA_TCOORD0);
|
|
}
|
|
#ifdef GL_OES_point_size_array
|
|
else if (FeatureAvailable[IRR_OES_point_size_array] && (Material.Thickness == 0.0f))
|
|
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
|
|
#endif
|
|
if (threed && (pType != scene::EPT_POINTS) && (pType != scene::EPT_POINT_SPRITES))
|
|
{
|
|
glEnableVertexAttribArray(EVA_NORMAL);
|
|
}
|
|
|
|
switch (vType)
|
|
{
|
|
case EVT_STANDARD:
|
|
if (vertices)
|
|
{
|
|
#ifdef GL_OES_point_size_array
|
|
if ((pType == scene::EPT_POINTS) || (pType == scene::EPT_POINT_SPRITES))
|
|
{
|
|
if (FeatureAvailable[IRR_OES_point_size_array] && (Material.Thickness == 0.0f))
|
|
glPointSizePointerOES(GL_FLOAT, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Normal.X);
|
|
}
|
|
else
|
|
#endif
|
|
glVertexAttribPointer(EVA_POSITION, (threed ? 3 : 2), GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Pos);
|
|
if (threed)
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Normal);
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].Color);
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords);
|
|
|
|
}
|
|
else
|
|
{
|
|
glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex), 0);
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex), buffer_offset(12));
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex), buffer_offset(24));
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex), buffer_offset(28));
|
|
}
|
|
|
|
//if (CurrentTexture[1])
|
|
//{
|
|
// // There must be some optimisation here as it uses the same texture coord !
|
|
// glEnableVertexAttribArray(EVA_TCOORD1);
|
|
// if (vertices)
|
|
// glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex), &(static_cast<const S3DVertex*>(vertices))[0].TCoords);
|
|
// else
|
|
// glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex), buffer_offset(28));
|
|
//}
|
|
break;
|
|
case EVT_2TCOORDS:
|
|
//glEnableVertexAttribArray(EVA_TCOORD1);
|
|
if (vertices)
|
|
{
|
|
glVertexAttribPointer(EVA_POSITION, (threed ? 3 : 2), GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Pos);
|
|
if (threed)
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Normal);
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].Color);
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords);
|
|
//glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), &(static_cast<const S3DVertex2TCoords*>(vertices))[0].TCoords2);
|
|
}
|
|
else
|
|
{
|
|
glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(0));
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(12));
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertex2TCoords), buffer_offset(24));
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(28));
|
|
//glVertexAttribPointer(EVA_TCOORD1, 2, GL_FLOAT, false, sizeof(S3DVertex2TCoords), buffer_offset(36));
|
|
|
|
}
|
|
break;
|
|
case EVT_TANGENTS:
|
|
glEnableVertexAttribArray(EVA_TANGENT);
|
|
glEnableVertexAttribArray(EVA_BINORMAL);
|
|
if (vertices)
|
|
{
|
|
glVertexAttribPointer(EVA_POSITION, (threed ? 3 : 2), GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Pos);
|
|
if (threed)
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Normal);
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Color);
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].TCoords);
|
|
glVertexAttribPointer(EVA_TANGENT, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Tangent);
|
|
glVertexAttribPointer(EVA_BINORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), &(static_cast<const S3DVertexTangents*>(vertices))[0].Binormal);
|
|
}
|
|
else
|
|
{
|
|
glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(0));
|
|
glVertexAttribPointer(EVA_NORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(12));
|
|
glVertexAttribPointer(EVA_COLOR, 4, GL_UNSIGNED_BYTE, true, sizeof(S3DVertexTangents), buffer_offset(24));
|
|
glVertexAttribPointer(EVA_TCOORD0, 2, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(28));
|
|
glVertexAttribPointer(EVA_TANGENT, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(36));
|
|
glVertexAttribPointer(EVA_BINORMAL, 3, GL_FLOAT, false, sizeof(S3DVertexTangents), buffer_offset(48));
|
|
}
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
// draw everything
|
|
GLenum indexSize = 0;
|
|
|
|
switch (iType)
|
|
{
|
|
case(EIT_16BIT):
|
|
{
|
|
indexSize = GL_UNSIGNED_SHORT;
|
|
break;
|
|
}
|
|
case(EIT_32BIT):
|
|
{
|
|
#ifdef GL_OES_element_index_uint
|
|
#ifndef GL_UNSIGNED_INT
|
|
#define GL_UNSIGNED_INT 0x1405
|
|
#endif
|
|
if (FeatureAvailable[IRR_OES_element_index_uint])
|
|
indexSize = GL_UNSIGNED_INT;
|
|
else
|
|
#endif
|
|
indexSize = GL_UNSIGNED_SHORT;
|
|
break;
|
|
}
|
|
}
|
|
|
|
switch (pType)
|
|
{
|
|
case scene::EPT_POINTS:
|
|
case scene::EPT_POINT_SPRITES:
|
|
{
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType == scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_OES_point_sprite])
|
|
glEnable(GL_POINT_SPRITE_OES);
|
|
#endif
|
|
// if ==0 we use the point size array
|
|
if (Material.Thickness != 0.f)
|
|
{
|
|
// float quadratic[] = {0.0f, 0.0f, 10.01f};
|
|
//TODO : OpenGL ES 2.0 Port GL_POINT_DISTANCE_ATTENUATION
|
|
//glPointParameterfv(GL_POINT_DISTANCE_ATTENUATION, quadratic);
|
|
// float maxParticleSize = 1.0f;
|
|
//TODO : OpenGL ES 2.0 Port GL_POINT_SIZE_MAX
|
|
//glGetFloatv(GL_POINT_SIZE_MAX, &maxParticleSize);
|
|
// maxParticleSize=maxParticleSize<Material.Thickness?maxParticleSize:Material.Thickness;
|
|
// glPointParameterf(GL_POINT_SIZE_MAX,maxParticleSize);
|
|
// glPointParameterf(GL_POINT_SIZE_MIN,Material.Thickness);
|
|
//TODO : OpenGL ES 2.0 Port GL_POINT_FADE_THRESHOLD_SIZE
|
|
//glPointParameterf(GL_POINT_FADE_THRESHOLD_SIZE, 60.0f);
|
|
//glPointSize(Material.Thickness);
|
|
}
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType == scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_OES_point_sprite])
|
|
glTexEnvf(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_TRUE);
|
|
#endif
|
|
glDrawArrays(GL_POINTS, 0, primitiveCount);
|
|
#ifdef GL_OES_point_sprite
|
|
if (pType == scene::EPT_POINT_SPRITES && FeatureAvailable[IRR_OES_point_sprite])
|
|
{
|
|
glDisable(GL_POINT_SPRITE_OES);
|
|
glTexEnvf(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, GL_FALSE);
|
|
}
|
|
#endif
|
|
}
|
|
break;
|
|
case scene::EPT_LINE_STRIP:
|
|
glDrawElements(GL_LINE_STRIP, primitiveCount + 1, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_LINE_LOOP:
|
|
glDrawElements(GL_LINE_LOOP, primitiveCount, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_LINES:
|
|
glDrawElements(GL_LINES, primitiveCount*2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLE_STRIP:
|
|
glDrawElements(GL_TRIANGLE_STRIP, primitiveCount + 2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLE_FAN:
|
|
glDrawElements(GL_TRIANGLE_FAN, primitiveCount + 2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_TRIANGLES:
|
|
glDrawElements((LastMaterial.Wireframe) ? GL_LINES : (LastMaterial.PointCloud) ? GL_POINTS : GL_TRIANGLES, primitiveCount*3, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_QUAD_STRIP:
|
|
// TODO ogl-es
|
|
// glDrawElements(GL_QUAD_STRIP, primitiveCount*2+2, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_QUADS:
|
|
// TODO ogl-es
|
|
// glDrawElements(GL_QUADS, primitiveCount*4, indexSize, indexList);
|
|
break;
|
|
case scene::EPT_POLYGON:
|
|
// TODO ogl-es
|
|
// glDrawElements(GL_POLYGON, primitiveCount, indexSize, indexList);
|
|
break;
|
|
}
|
|
|
|
{
|
|
if (vType == EVT_TANGENTS)
|
|
{
|
|
glDisableVertexAttribArray(EVA_TANGENT);
|
|
glDisableVertexAttribArray(EVA_BINORMAL);
|
|
}
|
|
//if ((vType != EVT_STANDARD) || CurrentTexture[1])
|
|
//{
|
|
// glDisableVertexAttribArray(EVA_TCOORD1);
|
|
//}
|
|
|
|
#ifdef GL_OES_point_size_array
|
|
if (FeatureAvailable[IRR_OES_point_size_array] && (Material.Thickness == 0.0f))
|
|
glDisableClientState(GL_POINT_SIZE_ARRAY_OES);
|
|
#endif
|
|
glDisableVertexAttribArray(EVA_POSITION);
|
|
glDisableVertexAttribArray(EVA_NORMAL);
|
|
glDisableVertexAttribArray(EVA_COLOR);
|
|
glDisableVertexAttribArray(EVA_TCOORD0);
|
|
}
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! draws a 2d image, using a color and the alpha channel of the texture
|
|
void COGLES2Driver::draw2DImage(const video::ITexture* texture,
|
|
const core::position2d<s32>& pos,
|
|
const core::rect<s32>& sourceRect,
|
|
const core::rect<s32>* clipRect, SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (!sourceRect.isValid())
|
|
return;
|
|
|
|
core::position2d<s32> targetPos(pos);
|
|
core::position2d<s32> sourcePos(sourceRect.UpperLeftCorner);
|
|
core::dimension2d<s32> sourceSize(sourceRect.getSize());
|
|
if (clipRect)
|
|
{
|
|
if (targetPos.X < clipRect->UpperLeftCorner.X)
|
|
{
|
|
sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
|
|
sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X;
|
|
targetPos.X = clipRect->UpperLeftCorner.X;
|
|
}
|
|
|
|
if (targetPos.X + sourceSize.Width > clipRect->LowerRightCorner.X)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
}
|
|
|
|
if (targetPos.Y < clipRect->UpperLeftCorner.Y)
|
|
{
|
|
sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
|
|
sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
targetPos.Y = clipRect->UpperLeftCorner.Y;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > clipRect->LowerRightCorner.Y)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
}
|
|
}
|
|
|
|
// clip these coordinates
|
|
|
|
if (targetPos.X < 0)
|
|
{
|
|
sourceSize.Width += targetPos.X;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
|
|
sourcePos.X -= targetPos.X;
|
|
targetPos.X = 0;
|
|
}
|
|
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
|
|
if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width;
|
|
if (sourceSize.Width <= 0)
|
|
return;
|
|
}
|
|
|
|
if (targetPos.Y < 0)
|
|
{
|
|
sourceSize.Height += targetPos.Y;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
|
|
sourcePos.Y -= targetPos.Y;
|
|
targetPos.Y = 0;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height;
|
|
if (sourceSize.Height <= 0)
|
|
return;
|
|
}
|
|
|
|
// ok, we've clipped everything.
|
|
// now draw it.
|
|
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const core::dimension2d<u32>& ss = texture->getSize();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
const core::rect<f32> tcoords(
|
|
sourcePos.X * invW,
|
|
(isRTT ? (sourcePos.Y + sourceSize.Height) : sourcePos.Y) * invH,
|
|
(sourcePos.X + sourceSize.Width) * invW,
|
|
(isRTT ? sourcePos.Y : (sourcePos.Y + sourceSize.Height)) * invH);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceSize);
|
|
|
|
disableTextures(1);
|
|
if (!setActiveTexture(0, texture))
|
|
return;
|
|
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[1] = S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[2] = S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y);
|
|
vertices[3] = S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
void COGLES2Driver::draw2DImageBatch(const video::ITexture* texture,
|
|
const core::array<core::position2d<s32> >& positions,
|
|
const core::array<core::rect<s32> >& sourceRects,
|
|
const core::rect<s32>* clipRect,
|
|
SColor color, bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
if (!setActiveTexture(0, const_cast<video::ITexture*>(texture)))
|
|
return;
|
|
|
|
const irr::u32 drawCount = core::min_<u32>(positions.size(), sourceRects.size());
|
|
|
|
core::array<S3DVertex> vtx(drawCount * 4);
|
|
core::array<u16> indices(drawCount * 6);
|
|
|
|
for (u32 i = 0; i < drawCount; i++)
|
|
{
|
|
core::position2d<s32> targetPos = positions[i];
|
|
core::position2d<s32> sourcePos = sourceRects[i].UpperLeftCorner;
|
|
// This needs to be signed as it may go negative.
|
|
core::dimension2d<s32> sourceSize(sourceRects[i].getSize());
|
|
|
|
if (clipRect)
|
|
{
|
|
if (targetPos.X < clipRect->UpperLeftCorner.X)
|
|
{
|
|
sourceSize.Width += targetPos.X - clipRect->UpperLeftCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
|
|
sourcePos.X -= targetPos.X - clipRect->UpperLeftCorner.X;
|
|
targetPos.X = clipRect->UpperLeftCorner.X;
|
|
}
|
|
|
|
if (targetPos.X + (s32)sourceSize.Width > clipRect->LowerRightCorner.X)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - clipRect->LowerRightCorner.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
}
|
|
|
|
if (targetPos.Y < clipRect->UpperLeftCorner.Y)
|
|
{
|
|
sourceSize.Height += targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
|
|
sourcePos.Y -= targetPos.Y - clipRect->UpperLeftCorner.Y;
|
|
targetPos.Y = clipRect->UpperLeftCorner.Y;
|
|
}
|
|
|
|
if (targetPos.Y + (s32)sourceSize.Height > clipRect->LowerRightCorner.Y)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - clipRect->LowerRightCorner.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
}
|
|
}
|
|
|
|
// clip these coordinates
|
|
|
|
if (targetPos.X < 0)
|
|
{
|
|
sourceSize.Width += targetPos.X;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
|
|
sourcePos.X -= targetPos.X;
|
|
targetPos.X = 0;
|
|
}
|
|
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
|
|
if (targetPos.X + sourceSize.Width > (s32)renderTargetSize.Width)
|
|
{
|
|
sourceSize.Width -= (targetPos.X + sourceSize.Width) - renderTargetSize.Width;
|
|
if (sourceSize.Width <= 0)
|
|
continue;
|
|
}
|
|
|
|
if (targetPos.Y < 0)
|
|
{
|
|
sourceSize.Height += targetPos.Y;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
|
|
sourcePos.Y -= targetPos.Y;
|
|
targetPos.Y = 0;
|
|
}
|
|
|
|
if (targetPos.Y + sourceSize.Height > (s32)renderTargetSize.Height)
|
|
{
|
|
sourceSize.Height -= (targetPos.Y + sourceSize.Height) - renderTargetSize.Height;
|
|
if (sourceSize.Height <= 0)
|
|
continue;
|
|
}
|
|
|
|
// ok, we've clipped everything.
|
|
// now draw it.
|
|
|
|
core::rect<f32> tcoords;
|
|
tcoords.UpperLeftCorner.X = (((f32)sourcePos.X)) / texture->getSize().Width ;
|
|
tcoords.UpperLeftCorner.Y = (((f32)sourcePos.Y)) / texture->getSize().Height;
|
|
tcoords.LowerRightCorner.X = tcoords.UpperLeftCorner.X + ((f32)(sourceSize.Width) / texture->getSize().Width);
|
|
tcoords.LowerRightCorner.Y = tcoords.UpperLeftCorner.Y + ((f32)(sourceSize.Height) / texture->getSize().Height);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceSize);
|
|
|
|
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
|
|
|
vtx.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0.0f,
|
|
0.0f, 0.0f, 0.0f, color,
|
|
tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vtx.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0.0f,
|
|
0.0f, 0.0f, 0.0f, color,
|
|
tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vtx.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0.0f,
|
|
0.0f, 0.0f, 0.0f, color,
|
|
tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y));
|
|
vtx.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0.0f,
|
|
0.0f, 0.0f, 0.0f, color,
|
|
tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y));
|
|
|
|
const u32 curPos = vtx.size() - 4;
|
|
indices.push_back(0 + curPos);
|
|
indices.push_back(1 + curPos);
|
|
indices.push_back(2 + curPos);
|
|
|
|
indices.push_back(0 + curPos);
|
|
indices.push_back(2 + curPos);
|
|
indices.push_back(3 + curPos);
|
|
}
|
|
|
|
if (vtx.size())
|
|
{
|
|
drawVertexPrimitiveList2d3d(vtx.pointer(), vtx.size(),
|
|
indices.pointer(), indices.size() / 3,
|
|
EVT_STANDARD, scene::EPT_TRIANGLES,
|
|
EIT_16BIT, false);
|
|
}
|
|
}
|
|
|
|
|
|
//! The same, but with a four element array of colors, one for each vertex
|
|
void COGLES2Driver::draw2DImage(const video::ITexture* texture,
|
|
const core::rect<s32>& destRect,
|
|
const core::rect<s32>& sourceRect, const core::rect<s32>* clipRect,
|
|
const video::SColor* const colors, bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const core::dimension2du& ss = texture->getSize();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
const core::rect<f32> tcoords(
|
|
sourceRect.UpperLeftCorner.X * invW,
|
|
(isRTT ? sourceRect.LowerRightCorner.Y : sourceRect.UpperLeftCorner.Y) * invH,
|
|
sourceRect.LowerRightCorner.X * invW,
|
|
(isRTT ? sourceRect.UpperLeftCorner.Y : sourceRect.LowerRightCorner.Y) *invH);
|
|
|
|
const video::SColor temp[4] =
|
|
{
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF,
|
|
0xFFFFFFFF
|
|
};
|
|
|
|
const video::SColor* const useColor = colors ? colors : temp;
|
|
|
|
disableTextures(1);
|
|
setActiveTexture(0, texture);
|
|
setRenderStates2DMode(useColor[0].getAlpha() < 255 || useColor[1].getAlpha() < 255 ||
|
|
useColor[2].getAlpha() < 255 || useColor[3].getAlpha() < 255,
|
|
true, useAlphaChannelOfTexture);
|
|
|
|
if (clipRect)
|
|
{
|
|
if (!clipRect->isValid())
|
|
return;
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y,
|
|
clipRect->getWidth(), clipRect->getHeight());
|
|
}
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)destRect.UpperLeftCorner.X, (f32)destRect.UpperLeftCorner.Y, 0, 0, 0, 1, useColor[0], tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[1] = S3DVertex((f32)destRect.LowerRightCorner.X, (f32)destRect.UpperLeftCorner.Y, 0, 0, 0, 1, useColor[3], tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y);
|
|
vertices[2] = S3DVertex((f32)destRect.LowerRightCorner.X, (f32)destRect.LowerRightCorner.Y, 0, 0, 0, 1, useColor[2], tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y);
|
|
vertices[3] = S3DVertex((f32)destRect.UpperLeftCorner.X, (f32)destRect.LowerRightCorner.Y, 0, 0, 0, 1, useColor[1], tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
|
|
if (clipRect)
|
|
glDisable(GL_SCISSOR_TEST);
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! draws a set of 2d images, using a color and the alpha channel
|
|
void COGLES2Driver::draw2DImageBatch(const video::ITexture* texture,
|
|
const core::position2d<s32>& pos,
|
|
const core::array<core::rect<s32> >& sourceRects,
|
|
const core::array<s32>& indices, s32 kerningWidth,
|
|
const core::rect<s32>* clipRect, SColor color,
|
|
bool useAlphaChannelOfTexture)
|
|
{
|
|
if (!texture)
|
|
return;
|
|
|
|
disableTextures(1);
|
|
if (!setActiveTexture(0, texture))
|
|
return;
|
|
setRenderStates2DMode(color.getAlpha() < 255, true, useAlphaChannelOfTexture);
|
|
|
|
if (clipRect)
|
|
{
|
|
if (!clipRect->isValid())
|
|
return;
|
|
|
|
glEnable(GL_SCISSOR_TEST);
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
glScissor(clipRect->UpperLeftCorner.X, renderTargetSize.Height - clipRect->LowerRightCorner.Y,
|
|
clipRect->getWidth(), clipRect->getHeight());
|
|
}
|
|
|
|
const core::dimension2du& ss = texture->getSize();
|
|
core::position2d<s32> targetPos(pos);
|
|
// texcoords need to be flipped horizontally for RTTs
|
|
const bool isRTT = texture->isRenderTarget();
|
|
const f32 invW = 1.f / static_cast<f32>(ss.Width);
|
|
const f32 invH = 1.f / static_cast<f32>(ss.Height);
|
|
|
|
core::array<S3DVertex> vertices;
|
|
core::array<u16> quadIndices;
|
|
vertices.reallocate(indices.size()*4);
|
|
quadIndices.reallocate(indices.size()*3);
|
|
for (u32 i = 0; i < indices.size(); ++i)
|
|
{
|
|
const s32 currentIndex = indices[i];
|
|
if (!sourceRects[currentIndex].isValid())
|
|
break;
|
|
|
|
const core::rect<f32> tcoords(
|
|
sourceRects[currentIndex].UpperLeftCorner.X * invW,
|
|
(isRTT ? sourceRects[currentIndex].LowerRightCorner.Y : sourceRects[currentIndex].UpperLeftCorner.Y) * invH,
|
|
sourceRects[currentIndex].LowerRightCorner.X * invW,
|
|
(isRTT ? sourceRects[currentIndex].UpperLeftCorner.Y : sourceRects[currentIndex].LowerRightCorner.Y) * invH);
|
|
|
|
const core::rect<s32> poss(targetPos, sourceRects[currentIndex].getSize());
|
|
|
|
const u32 vstart = vertices.size();
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.UpperLeftCorner.Y, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.UpperLeftCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.LowerRightCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0, 0, 1, color, tcoords.LowerRightCorner.X, tcoords.LowerRightCorner.Y));
|
|
vertices.push_back(S3DVertex((f32)poss.UpperLeftCorner.X, (f32)poss.LowerRightCorner.Y, 0, 0, 0, 1, color, tcoords.UpperLeftCorner.X, tcoords.LowerRightCorner.Y));
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+1);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart);
|
|
quadIndices.push_back(vstart+2);
|
|
quadIndices.push_back(vstart+3);
|
|
|
|
targetPos.X += sourceRects[currentIndex].getWidth();
|
|
}
|
|
if (vertices.size())
|
|
drawVertexPrimitiveList2d3d(vertices.pointer(), vertices.size(),
|
|
quadIndices.pointer(), vertices.size()/2,
|
|
video::EVT_STANDARD, scene::EPT_TRIANGLES,
|
|
EIT_16BIT, false);
|
|
if (clipRect)
|
|
glDisable(GL_SCISSOR_TEST);
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! draw a 2d rectangle
|
|
void COGLES2Driver::draw2DRectangle(SColor color,
|
|
const core::rect<s32>& position,
|
|
const core::rect<s32>* clip)
|
|
{
|
|
disableTextures();
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
core::rect<s32> pos = position;
|
|
|
|
if (clip)
|
|
pos.clipAgainst(*clip);
|
|
|
|
if (!pos.isValid())
|
|
return;
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0, 0, 1, color, 0, 0);
|
|
vertices[1] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0, 0, 1, color, 0, 0);
|
|
vertices[2] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0, 0, 1, color, 0, 0);
|
|
vertices[3] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0, 0, 1, color, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! draw an 2d rectangle
|
|
void COGLES2Driver::draw2DRectangle(const core::rect<s32>& position,
|
|
SColor colorLeftUp, SColor colorRightUp,
|
|
SColor colorLeftDown, SColor colorRightDown,
|
|
const core::rect<s32>* clip)
|
|
{
|
|
core::rect<s32> pos = position;
|
|
|
|
if (clip)
|
|
pos.clipAgainst(*clip);
|
|
|
|
if (!pos.isValid())
|
|
return;
|
|
|
|
disableTextures();
|
|
|
|
setRenderStates2DMode(colorLeftUp.getAlpha() < 255 ||
|
|
colorRightUp.getAlpha() < 255 ||
|
|
colorLeftDown.getAlpha() < 255 ||
|
|
colorRightDown.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0, 0, 1, colorLeftUp, 0, 0);
|
|
vertices[1] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.UpperLeftCorner.Y, 0, 0, 0, 1, colorRightUp, 0, 0);
|
|
vertices[2] = S3DVertex((f32)pos.LowerRightCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0, 0, 1, colorRightDown, 0, 0);
|
|
vertices[3] = S3DVertex((f32)pos.UpperLeftCorner.X, (f32)pos.LowerRightCorner.Y, 0, 0, 0, 1, colorLeftDown, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! Draws a 2d line.
|
|
void COGLES2Driver::draw2DLine(const core::position2d<s32>& start,
|
|
const core::position2d<s32>& end, SColor color)
|
|
{
|
|
disableTextures();
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0, 1};
|
|
S3DVertex vertices[2];
|
|
vertices[0] = S3DVertex((f32)start.X, (f32)start.Y, 0, 0, 0, 1, color, 0, 0);
|
|
vertices[1] = S3DVertex((f32)end.X, (f32)end.Y, 0, 0, 0, 1, color, 1, 1);
|
|
drawVertexPrimitiveList2d3d(vertices, 2, indices, 1, video::EVT_STANDARD, scene::EPT_LINES, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
//! Draws a pixel
|
|
void COGLES2Driver::drawPixel(u32 x, u32 y, const SColor &color)
|
|
{
|
|
const core::dimension2d<u32>& renderTargetSize = getCurrentRenderTargetSize();
|
|
if (x > (u32)renderTargetSize.Width || y > (u32)renderTargetSize.Height)
|
|
return;
|
|
|
|
disableTextures();
|
|
setRenderStates2DMode(color.getAlpha() < 255, false, false);
|
|
|
|
u16 indices[] = {0};
|
|
S3DVertex vertices[1];
|
|
vertices[0] = S3DVertex((f32)x, (f32)y, 0, 0, 0, 1, color, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 1, indices, 1, video::EVT_STANDARD, scene::EPT_POINTS, EIT_16BIT, false);
|
|
}
|
|
|
|
|
|
bool COGLES2Driver::setActiveTexture(u32 stage, const video::ITexture* texture)
|
|
{
|
|
if (stage >= MaxSupportedTextures)
|
|
return false;
|
|
|
|
if (CurrentTexture[stage]==texture)
|
|
return true;
|
|
|
|
CurrentTexture[stage] = texture;
|
|
|
|
if (!texture)
|
|
return true;
|
|
else if (texture->getDriverType() != EDT_OGLES2)
|
|
{
|
|
CurrentTexture[stage] = 0;
|
|
os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
bool COGLES2Driver::isActiveTexture(u32 stage)
|
|
{
|
|
return (CurrentTexture[stage]) ? true : false;
|
|
}
|
|
|
|
|
|
//! disables all textures beginning with the optional fromStage parameter.
|
|
bool COGLES2Driver::disableTextures(u32 fromStage)
|
|
{
|
|
bool result = true;
|
|
for (u32 i = fromStage; i < MaxTextureUnits; ++i)
|
|
result &= setActiveTexture(i, 0);
|
|
return result;
|
|
}
|
|
|
|
|
|
//! creates a matrix in supplied GLfloat array to pass to OGLES1
|
|
inline void COGLES2Driver::createGLMatrix(float gl_matrix[16], const core::matrix4& m)
|
|
{
|
|
memcpy(gl_matrix, m.pointer(), 16 * sizeof(f32));
|
|
}
|
|
|
|
|
|
//! creates a opengltexturematrix from a D3D style texture matrix
|
|
inline void COGLES2Driver::createGLTextureMatrix(float *o, const core::matrix4& m)
|
|
{
|
|
o[0] = m[0];
|
|
o[1] = m[1];
|
|
o[2] = 0.f;
|
|
o[3] = 0.f;
|
|
|
|
o[4] = m[4];
|
|
o[5] = m[5];
|
|
o[6] = 0.f;
|
|
o[7] = 0.f;
|
|
|
|
o[8] = 0.f;
|
|
o[9] = 0.f;
|
|
o[10] = 1.f;
|
|
o[11] = 0.f;
|
|
|
|
o[12] = m[8];
|
|
o[13] = m[9];
|
|
o[14] = 0.f;
|
|
o[15] = 1.f;
|
|
}
|
|
|
|
|
|
//! returns a device dependent texture from a software surface (IImage)
|
|
video::ITexture* COGLES2Driver::createDeviceDependentTexture(IImage* surface, const io::path& name, void* mipmapData)
|
|
{
|
|
return new COGLES2Texture(surface, name, mipmapData, this);
|
|
}
|
|
|
|
|
|
//! Sets a material.
|
|
void COGLES2Driver::setMaterial(const SMaterial& material)
|
|
{
|
|
Material = material;
|
|
OverrideMaterial.apply(Material);
|
|
|
|
for (u32 i = 0; i < MaxTextureUnits; ++i)
|
|
setActiveTexture(i, material.getTexture(i));
|
|
}
|
|
|
|
//! prints error if an error happened.
|
|
bool COGLES2Driver::testGLError()
|
|
{
|
|
#ifdef _DEBUG
|
|
GLenum g = glGetError();
|
|
switch (g)
|
|
{
|
|
case GL_NO_ERROR:
|
|
return false;
|
|
case GL_INVALID_ENUM:
|
|
os::Printer::log("GL_INVALID_ENUM", ELL_ERROR);
|
|
break;
|
|
case GL_INVALID_VALUE:
|
|
os::Printer::log("GL_INVALID_VALUE", ELL_ERROR);
|
|
break;
|
|
case GL_INVALID_OPERATION:
|
|
os::Printer::log("GL_INVALID_OPERATION", ELL_ERROR);
|
|
break;
|
|
case GL_OUT_OF_MEMORY:
|
|
os::Printer::log("GL_OUT_OF_MEMORY", ELL_ERROR);
|
|
break;
|
|
};
|
|
return true;
|
|
#else
|
|
return false;
|
|
#endif
|
|
}
|
|
|
|
void COGLES2Driver::setRenderStates3DMode()
|
|
{
|
|
if (useCoreContext)
|
|
return;
|
|
|
|
if (CurrentRenderMode != ERM_3D)
|
|
{
|
|
// Reset Texture Stages
|
|
BridgeCalls->setBlend(false);
|
|
BridgeCalls->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
|
|
ResetRenderStates = true;
|
|
}
|
|
|
|
if (ResetRenderStates || LastMaterial != Material)
|
|
{
|
|
// unset old material
|
|
|
|
// unset last 3d material
|
|
if (CurrentRenderMode == ERM_2D)
|
|
MaterialRenderer2D->OnUnsetMaterial();
|
|
else if (LastMaterial.MaterialType != Material.MaterialType &&
|
|
static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial();
|
|
|
|
// set new material.
|
|
if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[Material.MaterialType].Renderer->OnSetMaterial(
|
|
Material, LastMaterial, ResetRenderStates, this);
|
|
|
|
LastMaterial = Material;
|
|
ResetRenderStates = false;
|
|
}
|
|
|
|
if (static_cast<u32>(Material.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[Material.MaterialType].Renderer->OnRender(this, video::EVT_STANDARD);
|
|
|
|
CurrentRenderMode = ERM_3D;
|
|
}
|
|
|
|
//! Can be called by an IMaterialRenderer to make its work easier.
|
|
void COGLES2Driver::setBasicRenderStates(const SMaterial& material, const SMaterial& lastmaterial, bool resetAllRenderStates)
|
|
{
|
|
if (useCoreContext)
|
|
return;
|
|
|
|
// ZBuffer
|
|
if (resetAllRenderStates || lastmaterial.ZBuffer != material.ZBuffer)
|
|
{
|
|
switch (material.ZBuffer)
|
|
{
|
|
case ECFN_NEVER: // it will be ECFN_DISABLED after merge
|
|
BridgeCalls->setDepthTest(false);
|
|
break;
|
|
case ECFN_LESSEQUAL:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_LEQUAL);
|
|
break;
|
|
case ECFN_EQUAL:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_EQUAL);
|
|
break;
|
|
case ECFN_LESS:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_LESS);
|
|
break;
|
|
case ECFN_NOTEQUAL:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_NOTEQUAL);
|
|
break;
|
|
case ECFN_GREATEREQUAL:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_GEQUAL);
|
|
break;
|
|
case ECFN_GREATER:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_GREATER);
|
|
break;
|
|
case ECFN_ALWAYS:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_ALWAYS);
|
|
break;
|
|
/*case ECFN_NEVER:
|
|
BridgeCalls->setDepthTest(true);
|
|
BridgeCalls->setDepthFunc(GL_NEVER);
|
|
break;*/
|
|
}
|
|
}
|
|
|
|
// ZWrite
|
|
// if (resetAllRenderStates || lastmaterial.ZWriteEnable != material.ZWriteEnable)
|
|
{
|
|
if (material.ZWriteEnable && (AllowZWriteOnTransparent || !material.isTransparent()))
|
|
BridgeCalls->setDepthMask(true);
|
|
else
|
|
BridgeCalls->setDepthMask(false);
|
|
}
|
|
|
|
// Back face culling
|
|
if (resetAllRenderStates || (lastmaterial.FrontfaceCulling != material.FrontfaceCulling) || (lastmaterial.BackfaceCulling != material.BackfaceCulling))
|
|
{
|
|
if ((material.FrontfaceCulling) && (material.BackfaceCulling))
|
|
{
|
|
BridgeCalls->setCullFaceFunc(GL_FRONT_AND_BACK);
|
|
BridgeCalls->setCullFace(true);
|
|
}
|
|
else
|
|
if (material.BackfaceCulling)
|
|
{
|
|
BridgeCalls->setCullFaceFunc(GL_BACK);
|
|
BridgeCalls->setCullFace(true);
|
|
}
|
|
else
|
|
if (material.FrontfaceCulling)
|
|
{
|
|
BridgeCalls->setCullFaceFunc(GL_FRONT);
|
|
BridgeCalls->setCullFace(true);
|
|
}
|
|
else
|
|
BridgeCalls->setCullFace(false);
|
|
}
|
|
|
|
// Color Mask
|
|
if (resetAllRenderStates || lastmaterial.ColorMask != material.ColorMask)
|
|
{
|
|
glColorMask(
|
|
(material.ColorMask & ECP_RED)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_GREEN)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_BLUE)?GL_TRUE:GL_FALSE,
|
|
(material.ColorMask & ECP_ALPHA)?GL_TRUE:GL_FALSE);
|
|
}
|
|
|
|
// Blend operation
|
|
if (resetAllRenderStates|| lastmaterial.BlendOperation != material.BlendOperation)
|
|
{
|
|
if (material.BlendOperation==EBO_NONE)
|
|
BridgeCalls->setBlend(false);
|
|
else
|
|
{
|
|
BridgeCalls->setBlend(true);
|
|
|
|
switch (material.BlendOperation)
|
|
{
|
|
case EBO_ADD:
|
|
glBlendEquation(GL_FUNC_ADD);
|
|
break;
|
|
case EBO_SUBTRACT:
|
|
glBlendEquation(GL_FUNC_SUBTRACT);
|
|
break;
|
|
case EBO_REVSUBTRACT:
|
|
glBlendEquation(GL_FUNC_REVERSE_SUBTRACT);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Anti aliasing
|
|
if (resetAllRenderStates || lastmaterial.AntiAliasing != material.AntiAliasing)
|
|
{
|
|
if (material.AntiAliasing & EAAM_ALPHA_TO_COVERAGE)
|
|
glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
else if (lastmaterial.AntiAliasing & EAAM_ALPHA_TO_COVERAGE)
|
|
glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE);
|
|
}
|
|
|
|
// Texture parameters
|
|
setTextureRenderStates(material, resetAllRenderStates);
|
|
}
|
|
|
|
//! Compare in SMaterial doesn't check texture parameters, so we should call this on each OnRender call.
|
|
void COGLES2Driver::setTextureRenderStates(const SMaterial& material, bool resetAllRenderstates)
|
|
{
|
|
if (useCoreContext)
|
|
return;
|
|
|
|
// Set textures to TU/TIU and apply filters to them
|
|
|
|
for (s32 i = MaxTextureUnits-1; i>= 0; --i)
|
|
{
|
|
const COGLES2Texture* tmpTexture = static_cast<const COGLES2Texture*>(CurrentTexture[i]);
|
|
|
|
if (CurrentTexture[i])
|
|
BridgeCalls->setTexture(i);
|
|
else
|
|
continue;
|
|
|
|
// This code causes issues on some devices with legacy pipeline
|
|
// and also mipmaps should be handled in STK texture manager,
|
|
// so just disable this part of code
|
|
continue;
|
|
|
|
if(resetAllRenderstates)
|
|
tmpTexture->getStatesCache().IsCached = false;
|
|
|
|
if(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter ||
|
|
material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER,
|
|
(material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST);
|
|
|
|
tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter;
|
|
tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter;
|
|
}
|
|
|
|
if (material.UseMipMaps && CurrentTexture[i]->hasMipMaps())
|
|
{
|
|
if(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter ||
|
|
material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || !tmpTexture->getStatesCache().MipMapStatus)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
|
material.TextureLayer[i].TrilinearFilter ? GL_LINEAR_MIPMAP_LINEAR :
|
|
material.TextureLayer[i].BilinearFilter ? GL_LINEAR_MIPMAP_NEAREST :
|
|
GL_NEAREST_MIPMAP_NEAREST);
|
|
|
|
tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter;
|
|
tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter;
|
|
tmpTexture->getStatesCache().MipMapStatus = true;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].BilinearFilter != tmpTexture->getStatesCache().BilinearFilter ||
|
|
material.TextureLayer[i].TrilinearFilter != tmpTexture->getStatesCache().TrilinearFilter || tmpTexture->getStatesCache().MipMapStatus)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER,
|
|
(material.TextureLayer[i].BilinearFilter || material.TextureLayer[i].TrilinearFilter) ? GL_LINEAR : GL_NEAREST);
|
|
|
|
tmpTexture->getStatesCache().BilinearFilter = material.TextureLayer[i].BilinearFilter;
|
|
tmpTexture->getStatesCache().TrilinearFilter = material.TextureLayer[i].TrilinearFilter;
|
|
tmpTexture->getStatesCache().MipMapStatus = false;
|
|
}
|
|
}
|
|
|
|
#ifdef GL_EXT_texture_filter_anisotropic
|
|
if (FeatureAvailable[IRR_EXT_texture_filter_anisotropic] &&
|
|
(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].AnisotropicFilter != tmpTexture->getStatesCache().AnisotropicFilter))
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT,
|
|
material.TextureLayer[i].AnisotropicFilter>1 ? core::min_(MaxAnisotropy, material.TextureLayer[i].AnisotropicFilter) : 1);
|
|
|
|
tmpTexture->getStatesCache().AnisotropicFilter = material.TextureLayer[i].AnisotropicFilter;
|
|
}
|
|
#endif
|
|
|
|
if(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapU != tmpTexture->getStatesCache().WrapU)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, getTextureWrapMode(material.TextureLayer[i].TextureWrapU));
|
|
tmpTexture->getStatesCache().WrapU = material.TextureLayer[i].TextureWrapU;
|
|
}
|
|
|
|
if(!tmpTexture->getStatesCache().IsCached || material.TextureLayer[i].TextureWrapV != tmpTexture->getStatesCache().WrapV)
|
|
{
|
|
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, getTextureWrapMode(material.TextureLayer[i].TextureWrapV));
|
|
tmpTexture->getStatesCache().WrapV = material.TextureLayer[i].TextureWrapV;
|
|
}
|
|
|
|
tmpTexture->getStatesCache().IsCached = true;
|
|
}
|
|
}
|
|
|
|
|
|
// Get OpenGL ES2.0 texture wrap mode from Irrlicht wrap mode.
|
|
GLint COGLES2Driver::getTextureWrapMode(u8 clamp) const
|
|
{
|
|
switch (clamp)
|
|
{
|
|
case ETC_CLAMP:
|
|
case ETC_CLAMP_TO_EDGE:
|
|
case ETC_CLAMP_TO_BORDER:
|
|
return GL_CLAMP_TO_EDGE;
|
|
case ETC_MIRROR:
|
|
return GL_REPEAT;
|
|
default:
|
|
return GL_REPEAT;
|
|
}
|
|
}
|
|
|
|
|
|
//! sets the needed renderstates
|
|
void COGLES2Driver::setRenderStates2DMode(bool alpha, bool texture, bool alphaChannel)
|
|
{
|
|
if (useCoreContext)
|
|
return;
|
|
|
|
if (CurrentRenderMode != ERM_2D)
|
|
{
|
|
// unset last 3d material
|
|
if (CurrentRenderMode == ERM_3D)
|
|
{
|
|
if (static_cast<u32>(LastMaterial.MaterialType) < MaterialRenderers.size())
|
|
MaterialRenderers[LastMaterial.MaterialType].Renderer->OnUnsetMaterial();
|
|
}
|
|
|
|
CurrentRenderMode = ERM_2D;
|
|
}
|
|
|
|
if (!OverrideMaterial2DEnabled)
|
|
Material = InitMaterial2D;
|
|
|
|
if (OverrideMaterial2DEnabled)
|
|
{
|
|
OverrideMaterial2D.Lighting=false;
|
|
OverrideMaterial2D.ZWriteEnable=false;
|
|
OverrideMaterial2D.ZBuffer=ECFN_NEVER; // it will be ECFN_DISABLED after merge
|
|
OverrideMaterial2D.Lighting=false;
|
|
|
|
Material = OverrideMaterial2D;
|
|
}
|
|
|
|
if (texture)
|
|
MaterialRenderer2D->setTexture(CurrentTexture[0]);
|
|
else
|
|
MaterialRenderer2D->setTexture(0);
|
|
|
|
MaterialRenderer2D->OnSetMaterial(Material, LastMaterial, true, 0);
|
|
LastMaterial = Material;
|
|
|
|
// no alphaChannel without texture
|
|
alphaChannel &= texture;
|
|
|
|
if (alphaChannel || alpha)
|
|
{
|
|
BridgeCalls->setBlend(true);
|
|
BridgeCalls->setBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
|
|
}
|
|
else
|
|
BridgeCalls->setBlend(false);
|
|
|
|
MaterialRenderer2D->OnRender(this, video::EVT_STANDARD);
|
|
}
|
|
|
|
|
|
//! \return Returns the name of the video driver.
|
|
const wchar_t* COGLES2Driver::getName() const
|
|
{
|
|
return Name.c_str();
|
|
}
|
|
|
|
|
|
//! deletes all dynamic lights there are
|
|
void COGLES2Driver::deleteAllDynamicLights()
|
|
{
|
|
RequestedLights.clear();
|
|
CNullDriver::deleteAllDynamicLights();
|
|
}
|
|
|
|
|
|
//! adds a dynamic light
|
|
s32 COGLES2Driver::addDynamicLight(const SLight& light)
|
|
{
|
|
CNullDriver::addDynamicLight(light);
|
|
|
|
RequestedLights.push_back(RequestedLight(light));
|
|
|
|
u32 newLightIndex = RequestedLights.size() - 1;
|
|
|
|
return (s32)newLightIndex;
|
|
}
|
|
|
|
//! Turns a dynamic light on or off
|
|
//! \param lightIndex: the index returned by addDynamicLight
|
|
//! \param turnOn: true to turn the light on, false to turn it off
|
|
void COGLES2Driver::turnLightOn(s32 lightIndex, bool turnOn)
|
|
{
|
|
if (lightIndex < 0 || lightIndex >= (s32)RequestedLights.size())
|
|
return;
|
|
|
|
RequestedLight & requestedLight = RequestedLights[lightIndex];
|
|
requestedLight.DesireToBeOn = turnOn;
|
|
}
|
|
|
|
|
|
//! returns the maximal amount of dynamic lights the device can handle
|
|
u32 COGLES2Driver::getMaximalDynamicLightAmount() const
|
|
{
|
|
return 8;
|
|
}
|
|
|
|
|
|
//! Sets the dynamic ambient light color.
|
|
void COGLES2Driver::setAmbientLight(const SColorf& color)
|
|
{
|
|
AmbientLight = color;
|
|
}
|
|
|
|
//! returns the dynamic ambient light color.
|
|
const SColorf& COGLES2Driver::getAmbientLight() const
|
|
{
|
|
return AmbientLight;
|
|
}
|
|
|
|
// this code was sent in by Oliver Klems, thank you
|
|
void COGLES2Driver::setViewPort(const core::rect<s32>& area)
|
|
{
|
|
core::rect<s32> vp = area;
|
|
core::rect<s32> rendert(0, 0, getCurrentRenderTargetSize().Width, getCurrentRenderTargetSize().Height);
|
|
vp.clipAgainst(rendert);
|
|
|
|
if (vp.getHeight() > 0 && vp.getWidth() > 0)
|
|
BridgeCalls->setViewport(core::rect<s32>(vp.UpperLeftCorner.X, getCurrentRenderTargetSize().Height - vp.UpperLeftCorner.Y - vp.getHeight(), vp.getWidth(), vp.getHeight()));
|
|
|
|
ViewPort = vp;
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! Draws a shadow volume into the stencil buffer.
|
|
void COGLES2Driver::drawStencilShadowVolume(const core::vector3df* triangles, s32 count, bool zfail)
|
|
{
|
|
if (!StencilBuffer || !count)
|
|
return;
|
|
|
|
// unset last 3d material
|
|
if (CurrentRenderMode == ERM_3D &&
|
|
static_cast<u32>(Material.MaterialType) < MaterialRenderers.size())
|
|
{
|
|
MaterialRenderers[Material.MaterialType].Renderer->OnUnsetMaterial();
|
|
ResetRenderStates = true;
|
|
}
|
|
|
|
// store current OGLES state
|
|
const GLboolean cullFaceEnabled = glIsEnabled(GL_CULL_FACE);
|
|
GLint cullFaceMode;
|
|
glGetIntegerv(GL_CULL_FACE_MODE, &cullFaceMode);
|
|
GLint depthFunc;
|
|
glGetIntegerv(GL_DEPTH_FUNC, &depthFunc);
|
|
GLboolean depthMask;
|
|
glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask);
|
|
|
|
glDepthFunc(GL_LEQUAL);
|
|
glDepthMask(GL_FALSE); // no depth buffer writing
|
|
glColorMask(GL_FALSE, GL_FALSE, GL_FALSE, GL_FALSE); // no color buffer drawing
|
|
glEnable(GL_STENCIL_TEST);
|
|
glEnable(GL_POLYGON_OFFSET_FILL);
|
|
glPolygonOffset(0.0f, 1.0f);
|
|
|
|
glEnableVertexAttribArray(EVA_POSITION);
|
|
|
|
glVertexAttribPointer(EVA_POSITION, 3, GL_FLOAT, false, sizeof(core::vector3df), &triangles[0]);
|
|
glStencilMask(~0);
|
|
glStencilFunc(GL_ALWAYS, 0, ~0);
|
|
|
|
GLenum decr = GL_DECR;
|
|
GLenum incr = GL_INCR;
|
|
#if defined(GL_OES_stencil_wrap)
|
|
if (FeatureAvailable[IRR_OES_stencil_wrap])
|
|
{
|
|
decr = GL_DECR_WRAP_OES;
|
|
incr = GL_INCR_WRAP_OES;
|
|
}
|
|
#endif
|
|
glEnable(GL_CULL_FACE);
|
|
if (!zfail)
|
|
{
|
|
// ZPASS Method
|
|
|
|
glCullFace(GL_BACK);
|
|
glStencilOp(GL_KEEP, GL_KEEP, incr);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
|
|
glCullFace(GL_FRONT);
|
|
glStencilOp(GL_KEEP, GL_KEEP, decr);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
}
|
|
else
|
|
{
|
|
// ZFAIL Method
|
|
|
|
glStencilOp(GL_KEEP, incr, GL_KEEP);
|
|
glCullFace(GL_FRONT);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
|
|
glStencilOp(GL_KEEP, decr, GL_KEEP);
|
|
glCullFace(GL_BACK);
|
|
glDrawArrays(GL_TRIANGLES, 0, count);
|
|
}
|
|
|
|
glDisableVertexAttribArray(EVA_POSITION);
|
|
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
glDisable(GL_STENCIL_TEST);
|
|
if (cullFaceEnabled)
|
|
glEnable(GL_CULL_FACE);
|
|
else
|
|
glDisable(GL_CULL_FACE);
|
|
glCullFace(cullFaceMode);
|
|
glDepthFunc(depthFunc);
|
|
glDepthMask(depthMask);
|
|
testGLError();
|
|
}
|
|
|
|
|
|
void COGLES2Driver::drawStencilShadow(bool clearStencilBuffer,
|
|
video::SColor leftUpEdge, video::SColor rightUpEdge,
|
|
video::SColor leftDownEdge, video::SColor rightDownEdge)
|
|
{
|
|
if (!StencilBuffer)
|
|
return;
|
|
|
|
disableTextures();
|
|
|
|
// store attributes
|
|
GLboolean depthMask;
|
|
glGetBooleanv(GL_DEPTH_WRITEMASK, &depthMask);
|
|
// GLint shadeModel;
|
|
//TODO : OpenGL ES 2.0 Port glGetIntegerv
|
|
//glGetIntegerv(GL_SHADE_MODEL, &shadeModel);
|
|
|
|
glDepthMask(GL_FALSE);
|
|
|
|
//TODO : OpenGL ES 2.0 Port glShadeModel
|
|
//glShadeModel(GL_FLAT);
|
|
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
|
|
|
|
glEnable(GL_STENCIL_TEST);
|
|
glStencilFunc(GL_NOTEQUAL, 0, ~0);
|
|
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
|
|
|
|
// draw a shadow rectangle covering the entire screen using stencil buffer
|
|
//Wrapper->glMatrixMode(GL_MODELVIEW);
|
|
//TODO : OpenGL ES 2.0 Port glPushMatrix
|
|
//glPushMatrix();
|
|
//Wrapper->glLoadIdentity();
|
|
//Wrapper->glMatrixMode(GL_PROJECTION);
|
|
//TODO : OpenGL ES 2.0 Port glPushMatrix
|
|
//glPushMatrix();
|
|
//Wrapper->glLoadIdentity();
|
|
|
|
u16 indices[] = {0, 1, 2, 3};
|
|
S3DVertex vertices[4];
|
|
vertices[0] = S3DVertex(-1.f, -1.f, 0.9f, 0, 0, 1, leftDownEdge, 0, 0);
|
|
vertices[1] = S3DVertex(-1.f, 1.f, 0.9f, 0, 0, 1, leftUpEdge, 0, 0);
|
|
vertices[2] = S3DVertex(1.f, 1.f, 0.9f, 0, 0, 1, rightUpEdge, 0, 0);
|
|
vertices[3] = S3DVertex(1.f, -1.f, 0.9f, 0, 0, 1, rightDownEdge, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 4, indices, 2, video::EVT_STANDARD, scene::EPT_TRIANGLE_FAN, EIT_16BIT, false);
|
|
|
|
if (clearStencilBuffer)
|
|
glClear(GL_STENCIL_BUFFER_BIT);
|
|
|
|
// restore settings
|
|
//TODO : OpenGL ES 2.0 Port glPopMatrix
|
|
//glPopMatrix();
|
|
//Wrapper->glMatrixMode(GL_MODELVIEW);
|
|
//TODO : OpenGL ES 2.0 Port glPopMatrix
|
|
//glPopMatrix();
|
|
glDisable(GL_STENCIL_TEST);
|
|
|
|
glDepthMask(depthMask);
|
|
//TODO : OpenGL ES 2.0 Port glShadeModel
|
|
//glShadeModel(shadeModel);
|
|
}
|
|
|
|
|
|
//! Draws a 3d line.
|
|
void COGLES2Driver::draw3DLine(const core::vector3df& start,
|
|
const core::vector3df& end, SColor color)
|
|
{
|
|
setRenderStates3DMode();
|
|
|
|
u16 indices[] = {0, 1};
|
|
S3DVertex vertices[2];
|
|
vertices[0] = S3DVertex(start.X, start.Y, start.Z, 0, 0, 1, color, 0, 0);
|
|
vertices[1] = S3DVertex(end.X, end.Y, end.Z, 0, 0, 1, color, 0, 0);
|
|
drawVertexPrimitiveList2d3d(vertices, 2, indices, 1, video::EVT_STANDARD, scene::EPT_LINES);
|
|
}
|
|
|
|
|
|
//! Only used by the internal engine. Used to notify the driver that
|
|
//! the window was resized.
|
|
void COGLES2Driver::OnResize(const core::dimension2d<u32>& size)
|
|
{
|
|
CNullDriver::OnResize(size);
|
|
BridgeCalls->setViewport(core::rect<s32>(0, 0, size.Width, size.Height));
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! Returns type of video driver
|
|
E_DRIVER_TYPE COGLES2Driver::getDriverType() const
|
|
{
|
|
return EDT_OGLES2;
|
|
}
|
|
|
|
|
|
//! returns color format
|
|
ECOLOR_FORMAT COGLES2Driver::getColorFormat() const
|
|
{
|
|
return ColorFormat;
|
|
}
|
|
|
|
|
|
//! Get a vertex shader constant index.
|
|
s32 COGLES2Driver::getVertexShaderConstantID(const c8* name)
|
|
{
|
|
return getPixelShaderConstantID(name);
|
|
}
|
|
|
|
//! Get a pixel shader constant index.
|
|
s32 COGLES2Driver::getPixelShaderConstantID(const c8* name)
|
|
{
|
|
os::Printer::log("Error: Please call services->getPixelShaderConstantID(), not VideoDriver->getPixelShaderConstantID().");
|
|
return -1;
|
|
}
|
|
|
|
//! Sets a vertex shader constant.
|
|
void COGLES2Driver::setVertexShaderConstant(const f32* data, s32 startRegister, s32 constantAmount)
|
|
{
|
|
os::Printer::log("Error: Please call services->setVertexShaderConstant(), not VideoDriver->setPixelShaderConstant().");
|
|
}
|
|
|
|
//! Sets a pixel shader constant.
|
|
void COGLES2Driver::setPixelShaderConstant(const f32* data, s32 startRegister, s32 constantAmount)
|
|
{
|
|
os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant().");
|
|
}
|
|
|
|
//! Sets a constant for the vertex shader based on an index.
|
|
bool COGLES2Driver::setVertexShaderConstant(s32 index, const f32* floats, int count)
|
|
{
|
|
//pass this along, as in GLSL the same routine is used for both vertex and fragment shaders
|
|
return setPixelShaderConstant(index, floats, count);
|
|
}
|
|
|
|
//! Int interface for the above.
|
|
bool COGLES2Driver::setVertexShaderConstant(s32 index, const s32* ints, int count)
|
|
{
|
|
return setPixelShaderConstant(index, ints, count);
|
|
}
|
|
|
|
//! Sets a constant for the pixel shader based on an index.
|
|
bool COGLES2Driver::setPixelShaderConstant(s32 index, const f32* floats, int count)
|
|
{
|
|
os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant().");
|
|
return false;
|
|
}
|
|
|
|
//! Int interface for the above.
|
|
bool COGLES2Driver::setPixelShaderConstant(s32 index, const s32* ints, int count)
|
|
{
|
|
os::Printer::log("Error: Please call services->setPixelShaderConstant(), not VideoDriver->setPixelShaderConstant().");
|
|
return false;
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the VideoDriver, using pixel and/or
|
|
//! vertex shaders to render geometry.
|
|
s32 COGLES2Driver::addShaderMaterial(const c8* vertexShaderProgram,
|
|
const c8* pixelShaderProgram,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial, s32 userData)
|
|
{
|
|
os::Printer::log("No shader support.");
|
|
return -1;
|
|
}
|
|
|
|
|
|
//! Adds a new material renderer to the VideoDriver, using GLSL to render geometry.
|
|
s32 COGLES2Driver::addHighLevelShaderMaterial(
|
|
const c8* vertexShaderProgram,
|
|
const c8* vertexShaderEntryPointName,
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
|
const c8* pixelShaderProgram,
|
|
const c8* pixelShaderEntryPointName,
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
|
const c8* geometryShaderProgram,
|
|
const c8* geometryShaderEntryPointName,
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget,
|
|
scene::E_PRIMITIVE_TYPE inType,
|
|
scene::E_PRIMITIVE_TYPE outType,
|
|
u32 verticesOut,
|
|
IShaderConstantSetCallBack* callback,
|
|
E_MATERIAL_TYPE baseMaterial,
|
|
s32 userData, E_GPU_SHADING_LANGUAGE shadingLang)
|
|
{
|
|
s32 nr = -1;
|
|
COGLES2MaterialRenderer* r = new COGLES2MaterialRenderer(
|
|
this, nr, vertexShaderProgram,
|
|
pixelShaderProgram,
|
|
callback, baseMaterial, userData);
|
|
|
|
r->drop();
|
|
return nr;
|
|
}
|
|
|
|
//! Returns a pointer to the IVideoDriver interface. (Implementation for
|
|
//! IMaterialRendererServices)
|
|
IVideoDriver* COGLES2Driver::getVideoDriver()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
|
|
//! Returns pointer to the IGPUProgrammingServices interface.
|
|
IGPUProgrammingServices* COGLES2Driver::getGPUProgrammingServices()
|
|
{
|
|
return this;
|
|
}
|
|
|
|
|
|
ITexture* COGLES2Driver::addRenderTargetTexture(const core::dimension2d<u32>& size,
|
|
const io::path& name,
|
|
const ECOLOR_FORMAT format,
|
|
const bool useStencil)
|
|
{
|
|
//disable mip-mapping
|
|
const bool generateMipLevels = getTextureCreationFlag(ETCF_CREATE_MIP_MAPS);
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, false);
|
|
|
|
video::ITexture* rtt = 0;
|
|
|
|
rtt = new COGLES2FBOTexture(size, name, this, format);
|
|
if (rtt)
|
|
{
|
|
bool success = false;
|
|
addTexture(rtt);
|
|
|
|
ITexture* tex = createDepthTexture(rtt);
|
|
if (tex)
|
|
{
|
|
success = static_cast<video::COGLES2FBODepthTexture*>(tex)->attach(rtt);
|
|
if (!success)
|
|
{
|
|
removeDepthTexture(tex);
|
|
}
|
|
tex->drop();
|
|
}
|
|
rtt->drop();
|
|
if (!success)
|
|
{
|
|
removeTexture(rtt);
|
|
rtt=0;
|
|
}
|
|
}
|
|
|
|
//restore mip-mapping
|
|
setTextureCreationFlag(ETCF_CREATE_MIP_MAPS, generateMipLevels);
|
|
|
|
return rtt;
|
|
}
|
|
|
|
|
|
//! Returns the maximum amount of primitives
|
|
u32 COGLES2Driver::getMaximalPrimitiveCount() const
|
|
{
|
|
return 65535;
|
|
}
|
|
|
|
|
|
//! set or reset render target
|
|
bool COGLES2Driver::setRenderTarget(video::ITexture* texture, bool clearBackBuffer,
|
|
bool clearZBuffer, SColor color)
|
|
{
|
|
// check for right driver type
|
|
|
|
if (texture && texture->getDriverType() != EDT_OGLES2)
|
|
{
|
|
os::Printer::log("Fatal Error: Tried to set a texture not owned by this driver.", ELL_ERROR);
|
|
return false;
|
|
}
|
|
|
|
// check if we should set the previous RT back
|
|
|
|
setActiveTexture(0, 0);
|
|
ResetRenderStates = true;
|
|
if (RenderTargetTexture != 0)
|
|
{
|
|
RenderTargetTexture->unbindRTT();
|
|
}
|
|
|
|
if (texture)
|
|
{
|
|
// we want to set a new target. so do this.
|
|
BridgeCalls->setViewport(core::rect<s32>(0, 0, texture->getSize().Width, texture->getSize().Height));
|
|
RenderTargetTexture = static_cast<COGLES2Texture*>(texture);
|
|
RenderTargetTexture->bindRTT();
|
|
CurrentRendertargetSize = texture->getSize();
|
|
}
|
|
else
|
|
{
|
|
BridgeCalls->setViewport(core::rect<s32>(0, 0, ScreenSize.Width, ScreenSize.Height));
|
|
RenderTargetTexture = 0;
|
|
CurrentRendertargetSize = core::dimension2d<u32>(0, 0);
|
|
}
|
|
|
|
GLbitfield mask = 0;
|
|
if (clearBackBuffer)
|
|
{
|
|
const f32 inv = 1.0f / 255.0f;
|
|
glClearColor(color.getRed() * inv, color.getGreen() * inv,
|
|
color.getBlue() * inv, color.getAlpha() * inv);
|
|
|
|
mask |= GL_COLOR_BUFFER_BIT;
|
|
}
|
|
if (clearZBuffer)
|
|
{
|
|
glDepthMask(GL_TRUE);
|
|
LastMaterial.ZWriteEnable = true;
|
|
mask |= GL_DEPTH_BUFFER_BIT;
|
|
}
|
|
|
|
glClear(mask);
|
|
testGLError();
|
|
|
|
return true;
|
|
}
|
|
|
|
|
|
// returns the current size of the screen or rendertarget
|
|
const core::dimension2d<u32>& COGLES2Driver::getCurrentRenderTargetSize() const
|
|
{
|
|
if (CurrentRendertargetSize.Width == 0)
|
|
return ScreenSize;
|
|
else
|
|
return CurrentRendertargetSize;
|
|
}
|
|
|
|
|
|
//! Clears the ZBuffer.
|
|
void COGLES2Driver::clearZBuffer()
|
|
{
|
|
GLboolean enabled = GL_TRUE;
|
|
glGetBooleanv(GL_DEPTH_WRITEMASK, &enabled);
|
|
|
|
glDepthMask(GL_TRUE);
|
|
glClear(GL_DEPTH_BUFFER_BIT);
|
|
|
|
glDepthMask(enabled);
|
|
testGLError();
|
|
}
|
|
|
|
|
|
//! Returns an image created from the last rendered frame.
|
|
// We want to read the front buffer to get the latest render finished.
|
|
// This is not possible under ogl-es, though, so one has to call this method
|
|
// outside of the render loop only.
|
|
IImage* COGLES2Driver::createScreenShot(video::ECOLOR_FORMAT format, video::E_RENDER_TARGET target)
|
|
{
|
|
if (target==video::ERT_MULTI_RENDER_TEXTURES || target==video::ERT_RENDER_TEXTURE || target==video::ERT_STEREO_BOTH_BUFFERS)
|
|
return 0;
|
|
|
|
GLint internalformat = GL_RGBA;
|
|
GLint type = GL_UNSIGNED_BYTE;
|
|
{
|
|
// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_FORMAT, &internalformat);
|
|
// glGetIntegerv(GL_IMPLEMENTATION_COLOR_READ_TYPE, &type);
|
|
// there's a format we don't support ATM
|
|
if (GL_UNSIGNED_SHORT_4_4_4_4 == type)
|
|
{
|
|
internalformat = GL_RGBA;
|
|
type = GL_UNSIGNED_BYTE;
|
|
}
|
|
}
|
|
|
|
IImage* newImage = 0;
|
|
if (GL_RGBA == internalformat)
|
|
{
|
|
if (GL_UNSIGNED_BYTE == type)
|
|
newImage = new CImage(ECF_A8R8G8B8, ScreenSize);
|
|
else
|
|
newImage = new CImage(ECF_A1R5G5B5, ScreenSize);
|
|
}
|
|
else
|
|
{
|
|
if (GL_UNSIGNED_BYTE == type)
|
|
newImage = new CImage(ECF_R8G8B8, ScreenSize);
|
|
else
|
|
newImage = new CImage(ECF_R5G6B5, ScreenSize);
|
|
}
|
|
|
|
if (!newImage)
|
|
return 0;
|
|
|
|
u8* pixels = static_cast<u8*>(newImage->lock());
|
|
if (!pixels)
|
|
{
|
|
newImage->unlock();
|
|
newImage->drop();
|
|
return 0;
|
|
}
|
|
|
|
glReadPixels(0, 0, ScreenSize.Width, ScreenSize.Height, internalformat, type, pixels);
|
|
testGLError();
|
|
|
|
// opengl images are horizontally flipped, so we have to fix that here.
|
|
const s32 pitch = newImage->getPitch();
|
|
u8* p2 = pixels + (ScreenSize.Height - 1) * pitch;
|
|
u8* tmpBuffer = new u8[pitch];
|
|
for (u32 i = 0; i < ScreenSize.Height; i += 2)
|
|
{
|
|
memcpy(tmpBuffer, pixels, pitch);
|
|
memcpy(pixels, p2, pitch);
|
|
memcpy(p2, tmpBuffer, pitch);
|
|
pixels += pitch;
|
|
p2 -= pitch;
|
|
}
|
|
delete [] tmpBuffer;
|
|
|
|
newImage->unlock();
|
|
|
|
if (testGLError())
|
|
{
|
|
newImage->drop();
|
|
return 0;
|
|
}
|
|
testGLError();
|
|
return newImage;
|
|
}
|
|
|
|
|
|
//! get depth texture for the given render target texture
|
|
ITexture* COGLES2Driver::createDepthTexture(ITexture* texture, bool shared)
|
|
{
|
|
if ((texture->getDriverType() != EDT_OGLES2) || (!texture->isRenderTarget()))
|
|
return 0;
|
|
COGLES2Texture* tex = static_cast<COGLES2Texture*>(texture);
|
|
|
|
if (!tex->isFrameBufferObject())
|
|
return 0;
|
|
|
|
if (shared)
|
|
{
|
|
for (u32 i = 0; i < DepthTextures.size(); ++i)
|
|
{
|
|
if (DepthTextures[i]->getSize() == texture->getSize())
|
|
{
|
|
DepthTextures[i]->grab();
|
|
return DepthTextures[i];
|
|
}
|
|
}
|
|
DepthTextures.push_back(new COGLES2FBODepthTexture(texture->getSize(), "depth1", this));
|
|
return DepthTextures.getLast();
|
|
}
|
|
return (new COGLES2FBODepthTexture(texture->getSize(), "depth1", this));
|
|
}
|
|
|
|
|
|
void COGLES2Driver::removeDepthTexture(ITexture* texture)
|
|
{
|
|
for (u32 i = 0; i < DepthTextures.size(); ++i)
|
|
{
|
|
if (texture == DepthTextures[i])
|
|
{
|
|
DepthTextures.erase(i);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
void COGLES2Driver::deleteFramebuffers(s32 n, const u32 *framebuffers)
|
|
{
|
|
glDeleteFramebuffers(n, framebuffers);
|
|
}
|
|
|
|
void COGLES2Driver::deleteRenderbuffers(s32 n, const u32 *renderbuffers)
|
|
{
|
|
glDeleteRenderbuffers(n, renderbuffers);
|
|
}
|
|
|
|
//! Set/unset a clipping plane.
|
|
bool COGLES2Driver::setClipPlane(u32 index, const core::plane3df& plane, bool enable)
|
|
{
|
|
if (index >= UserClipPlane.size())
|
|
UserClipPlane.push_back(SUserClipPlane());
|
|
|
|
UserClipPlane[index].Plane = plane;
|
|
UserClipPlane[index].Enabled = enable;
|
|
return true;
|
|
}
|
|
|
|
//! Enable/disable a clipping plane.
|
|
void COGLES2Driver::enableClipPlane(u32 index, bool enable)
|
|
{
|
|
UserClipPlane[index].Enabled = enable;
|
|
}
|
|
|
|
//! Get the ClipPlane Count
|
|
u32 COGLES2Driver::getClipPlaneCount() const
|
|
{
|
|
return UserClipPlane.size();
|
|
}
|
|
|
|
const core::plane3df& COGLES2Driver::getClipPlane(irr::u32 index) const
|
|
{
|
|
if (index < UserClipPlane.size())
|
|
return UserClipPlane[index].Plane;
|
|
else
|
|
return *((core::plane3df*)0);
|
|
}
|
|
|
|
core::dimension2du COGLES2Driver::getMaxTextureSize() const
|
|
{
|
|
return core::dimension2du(MaxTextureSize, MaxTextureSize);
|
|
}
|
|
|
|
GLenum COGLES2Driver::getGLBlend(E_BLEND_FACTOR factor) const
|
|
{
|
|
GLenum r = 0;
|
|
switch (factor)
|
|
{
|
|
case EBF_ZERO: r = GL_ZERO; break;
|
|
case EBF_ONE: r = GL_ONE; break;
|
|
case EBF_DST_COLOR: r = GL_DST_COLOR; break;
|
|
case EBF_ONE_MINUS_DST_COLOR: r = GL_ONE_MINUS_DST_COLOR; break;
|
|
case EBF_SRC_COLOR: r = GL_SRC_COLOR; break;
|
|
case EBF_ONE_MINUS_SRC_COLOR: r = GL_ONE_MINUS_SRC_COLOR; break;
|
|
case EBF_SRC_ALPHA: r = GL_SRC_ALPHA; break;
|
|
case EBF_ONE_MINUS_SRC_ALPHA: r = GL_ONE_MINUS_SRC_ALPHA; break;
|
|
case EBF_DST_ALPHA: r = GL_DST_ALPHA; break;
|
|
case EBF_ONE_MINUS_DST_ALPHA: r = GL_ONE_MINUS_DST_ALPHA; break;
|
|
case EBF_SRC_ALPHA_SATURATE: r = GL_SRC_ALPHA_SATURATE; break;
|
|
}
|
|
return r;
|
|
}
|
|
|
|
GLenum COGLES2Driver::getZBufferBits() const
|
|
{
|
|
/*#if defined(GL_OES_depth24)
|
|
if (Driver->queryOpenGLFeature(COGLES2ExtensionHandler::IRR_OES_depth24))
|
|
InternalFormat = GL_DEPTH_COMPONENT24_OES;
|
|
else
|
|
#endif
|
|
#if defined(GL_OES_depth32)
|
|
if (Driver->queryOpenGLFeature(COGLES2ExtensionHandler::IRR_OES_depth32))
|
|
InternalFormat = GL_DEPTH_COMPONENT32_OES;
|
|
else
|
|
#endif*/
|
|
|
|
GLenum bits = GL_DEPTH_COMPONENT16;//0;
|
|
/*switch (Params.ZBufferBits)
|
|
{
|
|
case 16:
|
|
bits = GL_DEPTH_COMPONENT16;
|
|
break;
|
|
case 24:
|
|
bits = GL_DEPTH_COMPONENT24;
|
|
break;
|
|
case 32:
|
|
bits = GL_DEPTH_COMPONENT32;
|
|
break;
|
|
default:
|
|
bits = GL_DEPTH_COMPONENT;
|
|
break;
|
|
}*/
|
|
return bits;
|
|
}
|
|
|
|
const SMaterial& COGLES2Driver::getCurrentMaterial() const
|
|
{
|
|
return Material;
|
|
}
|
|
|
|
COGLES2CallBridge* COGLES2Driver::getBridgeCalls() const
|
|
{
|
|
return BridgeCalls;
|
|
}
|
|
|
|
COGLES2CallBridge::COGLES2CallBridge(COGLES2Driver* driver) : Driver(driver),
|
|
BlendSource(GL_ONE), BlendDestination(GL_ZERO), Blend(false),
|
|
CullFaceMode(GL_BACK), CullFace(false),
|
|
DepthFunc(GL_LESS), DepthMask(true), DepthTest(false),
|
|
Program(0), ActiveTexture(GL_TEXTURE0), Viewport(core::rect<s32>(0, 0, 0, 0))
|
|
{
|
|
// Initial OpenGL values from specification.
|
|
|
|
for (u32 i = 0; i < MATERIAL_MAX_TEXTURES; ++i)
|
|
Texture[i] = 0;
|
|
|
|
glBlendFunc(GL_ONE, GL_ZERO);
|
|
glDisable(GL_BLEND);
|
|
|
|
glCullFace(GL_BACK);
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
glDepthFunc(GL_LESS);
|
|
glDepthMask(GL_TRUE);
|
|
glDisable(GL_DEPTH_TEST);
|
|
}
|
|
|
|
void COGLES2CallBridge::setBlendFunc(GLenum source, GLenum destination)
|
|
{
|
|
if(BlendSource != source || BlendDestination != destination)
|
|
{
|
|
glBlendFunc(source, destination);
|
|
|
|
BlendSource = source;
|
|
BlendDestination = destination;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setBlend(bool enable)
|
|
{
|
|
if(Blend != enable)
|
|
{
|
|
if (enable)
|
|
glEnable(GL_BLEND);
|
|
else
|
|
glDisable(GL_BLEND);
|
|
|
|
Blend = enable;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setCullFaceFunc(GLenum mode)
|
|
{
|
|
if(CullFaceMode != mode)
|
|
{
|
|
glCullFace(mode);
|
|
|
|
CullFaceMode = mode;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setCullFace(bool enable)
|
|
{
|
|
if(CullFace != enable)
|
|
{
|
|
if (enable)
|
|
glEnable(GL_CULL_FACE);
|
|
else
|
|
glDisable(GL_CULL_FACE);
|
|
|
|
CullFace = enable;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setDepthFunc(GLenum mode)
|
|
{
|
|
if(DepthFunc != mode)
|
|
{
|
|
glDepthFunc(mode);
|
|
|
|
DepthFunc = mode;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setDepthMask(bool enable)
|
|
{
|
|
if(DepthMask != enable)
|
|
{
|
|
if (enable)
|
|
glDepthMask(GL_TRUE);
|
|
else
|
|
glDepthMask(GL_FALSE);
|
|
|
|
DepthMask = enable;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setDepthTest(bool enable)
|
|
{
|
|
if(DepthTest != enable)
|
|
{
|
|
if (enable)
|
|
glEnable(GL_DEPTH_TEST);
|
|
else
|
|
glDisable(GL_DEPTH_TEST);
|
|
|
|
DepthTest = enable;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setProgram(GLuint program)
|
|
{
|
|
if (Program != program)
|
|
{
|
|
glUseProgram(program);
|
|
Program = program;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setActiveTexture(GLenum texture)
|
|
{
|
|
if (ActiveTexture != texture)
|
|
{
|
|
glActiveTexture(texture);
|
|
ActiveTexture = texture;
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setTexture(u32 stage)
|
|
{
|
|
if (stage < MATERIAL_MAX_TEXTURES)
|
|
{
|
|
if(Texture[stage] != Driver->CurrentTexture[stage])
|
|
{
|
|
setActiveTexture(GL_TEXTURE0 + stage);
|
|
|
|
if(Driver->CurrentTexture[stage])
|
|
glBindTexture(GL_TEXTURE_2D, Driver->CurrentTexture[stage]->getOpenGLTextureName());
|
|
|
|
Texture[stage] = Driver->CurrentTexture[stage];
|
|
}
|
|
}
|
|
}
|
|
|
|
void COGLES2CallBridge::setViewport(const core::rect<s32>& viewport)
|
|
{
|
|
if (Viewport != viewport)
|
|
{
|
|
glViewport(viewport.UpperLeftCorner.X, viewport.UpperLeftCorner.Y, viewport.LowerRightCorner.X, viewport.LowerRightCorner.Y);
|
|
Viewport = viewport;
|
|
}
|
|
}
|
|
|
|
|
|
} // end namespace
|
|
} // end namespace
|
|
|
|
#endif // _IRR_COMPILE_WITH_OGLES2_
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
#if !defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_) && (defined(_IRR_COMPILE_WITH_X11_DEVICE_) || defined(_IRR_COMPILE_WITH_SDL_DEVICE_) || defined(_IRR_COMPILE_WITH_WINDOWS_DEVICE_) || defined(_IRR_COMPILE_WITH_ANDROID_DEVICE_))
|
|
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params,
|
|
video::SExposedVideoData& data, io::IFileSystem* io)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_OGLES2_
|
|
return new COGLES2Driver(params, data, io);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_OGLES2_
|
|
}
|
|
#endif
|
|
|
|
// -----------------------------------
|
|
// WAYLAND VERSION
|
|
// -----------------------------------
|
|
#ifdef _IRR_COMPILE_WITH_WAYLAND_DEVICE_
|
|
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params,
|
|
io::IFileSystem* io, CIrrDeviceWayland* device)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_OGLES2_
|
|
return new COGLES2Driver(params, io, device);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_OGLES2_
|
|
}
|
|
|
|
#endif
|
|
|
|
// -----------------------------------
|
|
// MACOSX VERSION
|
|
// -----------------------------------
|
|
#if defined(_IRR_COMPILE_WITH_OSX_DEVICE_)
|
|
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params,
|
|
io::IFileSystem* io, CIrrDeviceMacOSX *device)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_OGLES2_
|
|
return new COGLES2Driver(params, io, device);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_OGLES2_
|
|
}
|
|
#endif // _IRR_COMPILE_WITH_OSX_DEVICE_
|
|
|
|
// -----------------------------------
|
|
// IPHONE VERSION
|
|
// -----------------------------------
|
|
#if defined(_IRR_COMPILE_WITH_IPHONE_DEVICE_)
|
|
IVideoDriver* createOGLES2Driver(const SIrrlichtCreationParameters& params,
|
|
video::SExposedVideoData& data, io::IFileSystem* io,
|
|
CIrrDeviceIPhone* device)
|
|
{
|
|
#ifdef _IRR_COMPILE_WITH_OGLES2_
|
|
return new COGLES2Driver(params, data, io, device);
|
|
#else
|
|
return 0;
|
|
#endif // _IRR_COMPILE_WITH_OGLES2_
|
|
}
|
|
#endif // _IRR_COMPILE_WITH_IPHONE_DEVICE_
|
|
|
|
} // end namespace
|
|
} // end namespace
|