282 lines
9.3 KiB
C++
282 lines
9.3 KiB
C++
// Copyright (C) 2008 Christian Stehno
|
|
// Heavily based on the OpenGL driver implemented by Nikolaus Gebhardt
|
|
// This file is part of the "Irrlicht Engine".
|
|
// For conditions of distribution and use, see copyright notice in Irrlicht.h
|
|
|
|
#include "IrrCompileConfig.h"
|
|
|
|
#ifdef _IRR_COMPILE_WITH_OGLES1_
|
|
|
|
#include "COGLESExtensionHandler.h"
|
|
#include "COGLESDriver.h"
|
|
#include "fast_atof.h"
|
|
#include "irrString.h"
|
|
|
|
namespace irr
|
|
{
|
|
namespace video
|
|
{
|
|
|
|
static const char* const OGLESFeatureStrings[] =
|
|
{
|
|
"GL_AMD_compressed_3DC_texture",
|
|
"GL_AMD_compressed_ATC_texture",
|
|
"GL_AMD_performance_monitor",
|
|
"GL_AMD_program_binary_Z400",
|
|
"GL_ANGLE_framebuffer_blit",
|
|
"GL_ANGLE_framebuffer_multisample",
|
|
"GL_APPLE_copy_texture_levels",
|
|
"GL_APPLE_framebuffer_multisample",
|
|
"GL_APPLE_rgb_422",
|
|
"GL_APPLE_sync",
|
|
"GL_APPLE_texture_2D_limited_npot",
|
|
"GL_APPLE_texture_format_BGRA8888",
|
|
"GL_APPLE_texture_max_level",
|
|
"GL_ARB_texture_env_combine",
|
|
"GL_ARB_texture_env_dot3",
|
|
"GL_ARM_mali_shader_binary",
|
|
"GL_ARM_rgba8",
|
|
"GL_DMP_shader_binary",
|
|
"GL_EXT_blend_minmax",
|
|
"GL_EXT_discard_framebuffer",
|
|
"GL_EXT_frag_depth",
|
|
"GL_EXT_map_buffer_range",
|
|
"GL_EXT_multi_draw_arrays",
|
|
"GL_EXT_multisampled_render_to_texture",
|
|
"GL_EXT_read_format_bgra",
|
|
"GL_EXT_robustness",
|
|
"GL_EXT_shader_texture_lod",
|
|
"GL_EXT_sRGB",
|
|
"GL_EXT_texture_compression_dxt1",
|
|
"GL_EXT_texture_filter_anisotropic",
|
|
"GL_EXT_texture_format_BGRA8888",
|
|
"GL_EXT_texture_lod_bias",
|
|
"GL_EXT_texture_storage",
|
|
"GL_EXT_texture_type_2_10_10_10_REV",
|
|
"GL_IMG_multisampled_render_to_texture",
|
|
"GL_IMG_program_binary",
|
|
"GL_IMG_read_format",
|
|
"GL_IMG_shader_binary",
|
|
"GL_IMG_texture_compression_pvrtc",
|
|
"GL_IMG_texture_env_enhanced_fixed_function",
|
|
"GL_IMG_texture_format_BGRA8888",
|
|
"GL_IMG_user_clip_plane",
|
|
"GL_IMG_vertex_program",
|
|
"GL_NV_coverage_sample",
|
|
"GL_NV_depth_nonlinear",
|
|
"GL_NV_fence",
|
|
"GL_OES_blend_equation_separate",
|
|
"GL_OES_blend_func_separate",
|
|
"GL_OES_blend_subtract",
|
|
"GL_OES_byte_coordinates",
|
|
"GL_OES_compressed_ETC1_RGB8_texture",
|
|
"GL_OES_compressed_paletted_texture",
|
|
"GL_OES_depth24",
|
|
"GL_OES_depth32",
|
|
"GL_OES_depth_texture",
|
|
"GL_OES_draw_texture",
|
|
"GL_OES_EGL_image",
|
|
"GL_OES_EGL_image_external",
|
|
"GL_OES_EGL_sync",
|
|
"GL_OES_element_index_uint",
|
|
"GL_OES_extended_matrix_palette",
|
|
"GL_OES_fbo_render_mipmap",
|
|
"GL_OES_fixed_point",
|
|
"GL_OES_fragment_precision_high",
|
|
"GL_OES_framebuffer_object",
|
|
"GL_OES_get_program_binary",
|
|
"GL_OES_mapbuffer",
|
|
"GL_OES_matrix_get",
|
|
"GL_OES_matrix_palette",
|
|
"GL_OES_packed_depth_stencil",
|
|
"GL_OES_point_size_array",
|
|
"GL_OES_point_sprite",
|
|
"GL_OES_query_matrix",
|
|
"GL_OES_read_format",
|
|
"GL_OES_required_internalformat",
|
|
"GL_OES_rgb8_rgba8",
|
|
"GL_OES_single_precision",
|
|
"GL_OES_standard_derivatives",
|
|
"GL_OES_stencil1",
|
|
"GL_OES_stencil4",
|
|
"GL_OES_stencil8",
|
|
"GL_OES_stencil_wrap",
|
|
"GL_OES_texture_3D",
|
|
"GL_OES_texture_cube_map",
|
|
"GL_OES_texture_env_crossbar",
|
|
"GL_OES_texture_float",
|
|
"GL_OES_texture_float_linear",
|
|
"GL_OES_texture_half_float",
|
|
"GL_OES_texture_half_float_linear",
|
|
"GL_OES_texture_mirrored_repeat",
|
|
"GL_OES_texture_npot",
|
|
"GL_OES_vertex_array_object",
|
|
"GL_OES_vertex_half_float",
|
|
"GL_OES_vertex_type_10_10_10_2",
|
|
"GL_QCOM_driver_control",
|
|
"GL_QCOM_extended_get",
|
|
"GL_QCOM_extended_get2",
|
|
"GL_QCOM_performance_monitor_global_mode",
|
|
"GL_QCOM_tiled_rendering",
|
|
"GL_QCOM_writeonly_rendering",
|
|
"GL_SUN_multi_draw_arrays",
|
|
"GL_VIV_shader_binary"
|
|
};
|
|
|
|
|
|
COGLES1ExtensionHandler::COGLES1ExtensionHandler() :
|
|
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
|
|
pGlDrawTexiOES(0), pGlDrawTexfOES(0),
|
|
pGlDrawTexivOES(0), pGlDrawTexfvOES(0),
|
|
pGlBindRenderbufferOES(0), pGlDeleteRenderbuffersOES(0),
|
|
pGlGenRenderbuffersOES(0), pGlRenderbufferStorageOES(0),
|
|
pGlBindFramebufferOES(0), pGlDeleteFramebuffersOES(0),
|
|
pGlGenFramebuffersOES(0), pGlCheckFramebufferStatusOES(0),
|
|
pGlFramebufferRenderbufferOES(0), pGlFramebufferTexture2DOES(0),
|
|
pGlGenerateMipMapOES(0),
|
|
#endif
|
|
EGLVersion(0), Version(0), MaxTextureUnits(0), MaxLights(0),
|
|
MaxAnisotropy(1), MaxUserClipPlanes(0), MaxAuxBuffers(0),
|
|
MaxMultipleRenderTargets(1), MaxIndices(65535), MaxTextureSize(1),
|
|
MaxTextureLODBias(0.f), CommonProfile(false),
|
|
MultiTextureExtension(false), MultiSamplingExtension(false),
|
|
StencilBuffer(false)
|
|
{
|
|
for (u32 i=0; i<IRR_OGLES_Feature_Count; ++i)
|
|
FeatureAvailable[i]=false;
|
|
DimAliasedLine[0]=1.f;
|
|
DimAliasedLine[1]=1.f;
|
|
DimAliasedPoint[0]=1.f;
|
|
DimAliasedPoint[1]=1.f;
|
|
DimSmoothedLine[0]=1.f;
|
|
DimSmoothedLine[1]=1.f;
|
|
DimSmoothedPoint[0]=1.f;
|
|
DimSmoothedPoint[1]=1.f;
|
|
}
|
|
|
|
|
|
void COGLES1ExtensionHandler::dump() const
|
|
{
|
|
for (u32 i=0; i<IRR_OGLES_Feature_Count; ++i)
|
|
os::Printer::log(OGLESFeatureStrings[i], FeatureAvailable[i]?" true":" false");
|
|
}
|
|
|
|
|
|
void COGLES1ExtensionHandler::initExtensions(COGLES1Driver* driver,
|
|
#ifdef EGL_VERSION_1_0
|
|
EGLDisplay display,
|
|
#endif
|
|
bool withStencil)
|
|
{
|
|
#ifdef EGL_VERSION_1_0
|
|
const f32 egl_ver = core::fast_atof(reinterpret_cast<const c8*>(eglQueryString(display, EGL_VERSION)));
|
|
EGLVersion = static_cast<u16>(core::floor32(egl_ver)*100+core::round32(core::fract(egl_ver)*10.0f));
|
|
core::stringc eglExtensions = eglQueryString(display, EGL_EXTENSIONS);
|
|
os::Printer::log(eglExtensions.c_str());
|
|
#endif
|
|
const core::stringc stringVer(glGetString(GL_VERSION));
|
|
CommonProfile = (stringVer[11]=='M');
|
|
const f32 ogl_ver = core::fast_atof(stringVer.c_str()+13);
|
|
Version = static_cast<u16>(core::floor32(ogl_ver)*100+core::round32(core::fract(ogl_ver)*10.0f));
|
|
core::stringc extensions = glGetString(GL_EXTENSIONS);
|
|
os::Printer::log(extensions.c_str());
|
|
|
|
// typo in the simulator (note the postfixed s)
|
|
if (extensions.find("GL_IMG_user_clip_planes"))
|
|
FeatureAvailable[IRR_IMG_user_clip_plane] = true;
|
|
|
|
{
|
|
const u32 size = extensions.size()+1;
|
|
c8* str = new c8[size];
|
|
strncpy(str, extensions.c_str(), extensions.size());
|
|
str[extensions.size()]=' ';
|
|
c8* p = str;
|
|
|
|
for (u32 i=0; i<size; ++i)
|
|
{
|
|
if (str[i] == ' ')
|
|
{
|
|
str[i] = 0;
|
|
if (*p)
|
|
for (u32 j=0; j<IRR_OGLES_Feature_Count; ++j)
|
|
{
|
|
if (!strcmp(OGLESFeatureStrings[j], p))
|
|
{
|
|
FeatureAvailable[j] = true;
|
|
break;
|
|
}
|
|
}
|
|
|
|
p = p + strlen(p) + 1;
|
|
}
|
|
}
|
|
|
|
delete [] str;
|
|
}
|
|
|
|
GLint val=0;
|
|
glGetIntegerv(GL_MAX_TEXTURE_UNITS, &val);
|
|
MaxSupportedTextures = core::min_(MATERIAL_MAX_TEXTURES, static_cast<u32>(val));
|
|
MultiTextureExtension = true;
|
|
glGetIntegerv(GL_MAX_LIGHTS, &val);
|
|
MaxLights = static_cast<u8>(val);
|
|
#ifdef GL_EXT_texture_filter_anisotropic
|
|
if (FeatureAvailable[IRR_EXT_texture_filter_anisotropic])
|
|
{
|
|
glGetIntegerv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &val);
|
|
MaxAnisotropy = static_cast<u8>(val);
|
|
}
|
|
#endif
|
|
#ifdef GL_MAX_ELEMENTS_INDICES
|
|
glGetIntegerv(GL_MAX_ELEMENTS_INDICES, &val);
|
|
MaxIndices=val;
|
|
#endif
|
|
glGetIntegerv(GL_MAX_TEXTURE_SIZE, &val);
|
|
MaxTextureSize=static_cast<u32>(val);
|
|
#ifdef GL_EXT_texture_lod_bias
|
|
if (FeatureAvailable[IRR_EXT_texture_lod_bias])
|
|
glGetFloatv(GL_MAX_TEXTURE_LOD_BIAS_EXT, &MaxTextureLODBias);
|
|
#endif
|
|
if ((Version>100) || FeatureAvailable[IRR_IMG_user_clip_plane])
|
|
{
|
|
glGetIntegerv(GL_MAX_CLIP_PLANES, &val);
|
|
MaxUserClipPlanes = static_cast<u8>(val);
|
|
}
|
|
glGetFloatv(GL_ALIASED_LINE_WIDTH_RANGE, DimAliasedLine);
|
|
glGetFloatv(GL_ALIASED_POINT_SIZE_RANGE, DimAliasedPoint);
|
|
glGetFloatv(GL_SMOOTH_LINE_WIDTH_RANGE, DimSmoothedLine);
|
|
glGetFloatv(GL_SMOOTH_POINT_SIZE_RANGE, DimSmoothedPoint);
|
|
|
|
MaxTextureUnits = core::min_(MaxSupportedTextures, static_cast<u8>(MATERIAL_MAX_TEXTURES));
|
|
|
|
#if defined(_IRR_OGLES1_USE_EXTPOINTER_)
|
|
if (FeatureAvailable[IRR_OES_draw_texture])
|
|
{
|
|
pGlDrawTexiOES = (PFNGLDRAWTEXIOES) eglGetProcAddress("glDrawTexiOES");
|
|
pGlDrawTexfOES = (PFNGLDRAWTEXFOES) eglGetProcAddress("glDrawTexfOES");
|
|
pGlDrawTexivOES = (PFNGLDRAWTEXIVOES) eglGetProcAddress("glDrawTexivOES");
|
|
pGlDrawTexfvOES = (PFNGLDRAWTEXFVOES) eglGetProcAddress("glDrawTexfvOES");
|
|
}
|
|
if (FeatureAvailable[IRR_OES_framebuffer_object])
|
|
{
|
|
pGlBindRenderbufferOES = (PFNGLBINDRENDERBUFFEROES) eglGetProcAddress("glBindRenderbufferOES");
|
|
pGlDeleteRenderbuffersOES = (PFNGLDELETERENDERBUFFERSOES) eglGetProcAddress("glDeletedRenderbuffersOES");
|
|
pGlGenRenderbuffersOES = (PFNGLGENRENDERBUFFERSOES) eglGetProcAddress("glGenRenderbuffersOES");
|
|
pGlRenderbufferStorageOES = (PFNGLRENDERBUFFERSTORAGEOES) eglGetProcAddress("glRenderbufferStorageOES");
|
|
pGlBindFramebufferOES = (PFNGLBINDFRAMEBUFFEROES) eglGetProcAddress("glBindFramebufferOES");
|
|
pGlDeleteFramebuffersOES = (PFNGLDELETEFRAMEBUFFERSOES) eglGetProcAddress("glDeleteFramebuffersOES");
|
|
pGlGenFramebuffersOES = (PFNGLGENFRAMEBUFFERSOES) eglGetProcAddress("glGenFramebuffersOES");
|
|
pGlCheckFramebufferStatusOES = (PFNGLCHECKFRAMEBUFFERSTATUSOES) eglGetProcAddress("glCheckFramebufferStatusOES");
|
|
pGlFramebufferRenderbufferOES = (PFNGLFRAMEBUFFERRENDERBUFFEROES) eglGetProcAddress("glFramebufferRenderbufferOES");
|
|
pGlFramebufferTexture2DOES = (PFNGLFRAMEBUFFERTEXTURE2DOES) eglGetProcAddress("glFramebufferTexture2DOES");
|
|
pGlGenerateMipMapOES = (PFNGLGENERATEMIPMAPOES) eglGetProcAddress("glGenerateMipMapOES");
|
|
}
|
|
#endif
|
|
}
|
|
|
|
} // end namespace video
|
|
} // end namespace irr
|
|
|
|
|
|
#endif // _IRR_COMPILE_WITH_OGLES1_
|