475 lines
21 KiB
C
475 lines
21 KiB
C
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// Copyright (C) 2002-2012 Nikolaus Gebhardt
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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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#ifndef __I_GPU_PROGRAMMING_SERVICES_H_INCLUDED__
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#define __I_GPU_PROGRAMMING_SERVICES_H_INCLUDED__
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#include "EShaderTypes.h"
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#include "EMaterialTypes.h"
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#include "EPrimitiveTypes.h"
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#include "path.h"
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namespace irr
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{
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namespace io
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{
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class IReadFile;
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} // end namespace io
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namespace video
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{
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class IVideoDriver;
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class IShaderConstantSetCallBack;
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//! Enumeration for different types of shading languages
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enum E_GPU_SHADING_LANGUAGE
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{
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//! The default language, so HLSL for Direct3D and GLSL for OpenGL.
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EGSL_DEFAULT = 0,
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//! Cg shading language.*/
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EGSL_CG
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};
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//! Interface making it possible to create and use programs running on the GPU.
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class IGPUProgrammingServices
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{
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public:
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//! Destructor
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virtual ~IGPUProgrammingServices() {}
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//! Adds a new high-level shading material renderer to the VideoDriver.
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/** Currently only HLSL/D3D9 and GLSL/OpenGL are supported.
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\param vertexShaderProgram String containing the source of the vertex
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shader program. This can be 0 if no vertex program shall be used.
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\param vertexShaderEntryPointName Name of the entry function of the
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vertexShaderProgram (p.e. "main")
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\param vsCompileTarget Vertex shader version the high level shader
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shall be compiled to.
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\param pixelShaderProgram String containing the source of the pixel
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shader program. This can be 0 if no pixel shader shall be used.
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\param pixelShaderEntryPointName Entry name of the function of the
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pixelShaderProgram (p.e. "main")
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\param psCompileTarget Pixel shader version the high level shader
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shall be compiled to.
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\param geometryShaderProgram String containing the source of the
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geometry shader program. This can be 0 if no geometry shader shall be
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used.
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\param geometryShaderEntryPointName Entry name of the function of the
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geometryShaderProgram (p.e. "main")
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\param gsCompileTarget Geometry shader version the high level shader
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shall be compiled to.
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\param inType Type of vertices passed to geometry shader
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\param outType Type of vertices created by geometry shader
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\param verticesOut Maximal number of vertices created by geometry
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shader. If 0, maximal number supported is assumed.
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\param callback Pointer to an implementation of
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IShaderConstantSetCallBack in which you can set the needed vertex,
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pixel, and geometry shader program constants. Set this to 0 if you
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don't need this.
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\param baseMaterial Base material which renderstates will be used to
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shade the material.
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\param userData a user data int. This int can be set to any value and
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will be set as parameter in the callback method when calling
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OnSetConstants(). In this way it is easily possible to use the same
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callback method for multiple materials and distinguish between them
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during the call.
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\param shaderLang a type of shading language used in current shader.
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\return Number of the material type which can be set in
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SMaterial::MaterialType to use the renderer. -1 is returned if an error
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occured, e.g. if a shader program could not be compiled or a compile
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target is not reachable. The error strings are then printed to the
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error log and can be catched with a custom event receiver. */
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virtual s32 addHighLevelShaderMaterial(
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const c8* vertexShaderProgram,
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const c8* vertexShaderEntryPointName,
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E_VERTEX_SHADER_TYPE vsCompileTarget,
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const c8* pixelShaderProgram,
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const c8* pixelShaderEntryPointName,
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E_PIXEL_SHADER_TYPE psCompileTarget,
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const c8* geometryShaderProgram,
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const c8* geometryShaderEntryPointName = "main",
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E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0,
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0,
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E_GPU_SHADING_LANGUAGE shadingLang = EGSL_DEFAULT) = 0;
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//! convenience function for use without geometry shaders
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s32 addHighLevelShaderMaterial(
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const c8* vertexShaderProgram,
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const c8* vertexShaderEntryPointName="main",
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E_VERTEX_SHADER_TYPE vsCompileTarget=EVST_VS_1_1,
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const c8* pixelShaderProgram=0,
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const c8* pixelShaderEntryPointName="main",
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E_PIXEL_SHADER_TYPE psCompileTarget=EPST_PS_1_1,
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IShaderConstantSetCallBack* callback=0,
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E_MATERIAL_TYPE baseMaterial=video::EMT_SOLID,
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s32 userData=0,
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E_GPU_SHADING_LANGUAGE shadingLang=EGSL_DEFAULT)
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{
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return addHighLevelShaderMaterial(
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vertexShaderProgram, vertexShaderEntryPointName,
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vsCompileTarget, pixelShaderProgram,
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pixelShaderEntryPointName, psCompileTarget,
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0, "main", EGST_GS_4_0,
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scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0,
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callback, baseMaterial, userData, shadingLang);
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}
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//! convenience function for use with many defaults, without geometry shader
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/** All shader names are set to "main" and compile targets are shader
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type 1.1.
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*/
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s32 addHighLevelShaderMaterial(
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const c8* vertexShaderProgram,
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const c8* pixelShaderProgram=0,
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IShaderConstantSetCallBack* callback=0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData=0)
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{
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return addHighLevelShaderMaterial(
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vertexShaderProgram, "main",
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EVST_VS_1_1, pixelShaderProgram,
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"main", EPST_PS_1_1,
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0, "main", EGST_GS_4_0,
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scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0,
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callback, baseMaterial, userData);
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}
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//! convenience function for use with many defaults, with geometry shader
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/** All shader names are set to "main" and compile targets are shader
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type 1.1 and geometry shader 4.0.
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*/
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s32 addHighLevelShaderMaterial(
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const c8* vertexShaderProgram,
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const c8* pixelShaderProgram = 0,
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const c8* geometryShaderProgram = 0,
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0,
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0 )
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{
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return addHighLevelShaderMaterial(
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vertexShaderProgram, "main",
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EVST_VS_1_1, pixelShaderProgram,
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"main", EPST_PS_1_1,
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geometryShaderProgram, "main", EGST_GS_4_0,
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inType, outType, verticesOut,
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callback, baseMaterial, userData);
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}
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//! Like IGPUProgrammingServices::addShaderMaterial(), but loads from files.
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/** \param vertexShaderProgramFileName Text file containing the source
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of the vertex shader program. Set to empty string if no vertex shader
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shall be created.
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\param vertexShaderEntryPointName Name of the entry function of the
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vertexShaderProgram (p.e. "main")
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\param vsCompileTarget Vertex shader version the high level shader
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shall be compiled to.
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\param pixelShaderProgramFileName Text file containing the source of
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the pixel shader program. Set to empty string if no pixel shader shall
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be created.
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\param pixelShaderEntryPointName Entry name of the function of the
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pixelShaderProgram (p.e. "main")
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\param psCompileTarget Pixel shader version the high level shader
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shall be compiled to.
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\param geometryShaderProgramFileName Name of the source of
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the geometry shader program. Set to empty string if no geometry shader
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shall be created.
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\param geometryShaderEntryPointName Entry name of the function of the
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geometryShaderProgram (p.e. "main")
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\param gsCompileTarget Geometry shader version the high level shader
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shall be compiled to.
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\param inType Type of vertices passed to geometry shader
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\param outType Type of vertices created by geometry shader
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\param verticesOut Maximal number of vertices created by geometry
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shader. If 0, maximal number supported is assumed.
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\param callback Pointer to an implementation of
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IShaderConstantSetCallBack in which you can set the needed vertex,
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pixel, and geometry shader program constants. Set this to 0 if you
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don't need this.
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\param baseMaterial Base material which renderstates will be used to
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shade the material.
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\param userData a user data int. This int can be set to any value and
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will be set as parameter in the callback method when calling
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OnSetConstants(). In this way it is easily possible to use the same
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callback method for multiple materials and distinguish between them
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during the call.
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\param shaderLang a type of shading language used in current shader.
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\return Number of the material type which can be set in
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SMaterial::MaterialType to use the renderer. -1 is returned if an error
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occured, e.g. if a shader program could not be compiled or a compile
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target is not reachable. The error strings are then printed to the
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error log and can be catched with a custom event receiver. */
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virtual s32 addHighLevelShaderMaterialFromFiles(
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const io::path& vertexShaderProgramFileName,
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const c8* vertexShaderEntryPointName,
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E_VERTEX_SHADER_TYPE vsCompileTarget,
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const io::path& pixelShaderProgramFileName,
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const c8* pixelShaderEntryPointName,
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E_PIXEL_SHADER_TYPE psCompileTarget,
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const io::path& geometryShaderProgramFileName,
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const c8* geometryShaderEntryPointName = "main",
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E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0,
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0,
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E_GPU_SHADING_LANGUAGE shadingLang = EGSL_DEFAULT) = 0;
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//! convenience function for use without geometry shaders
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s32 addHighLevelShaderMaterialFromFiles(
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const io::path& vertexShaderProgramFileName,
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const c8* vertexShaderEntryPointName = "main",
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E_VERTEX_SHADER_TYPE vsCompileTarget = EVST_VS_1_1,
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const io::path& pixelShaderProgramFileName = "",
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const c8* pixelShaderEntryPointName = "main",
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E_PIXEL_SHADER_TYPE psCompileTarget = EPST_PS_1_1,
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0,
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E_GPU_SHADING_LANGUAGE shadingLang = EGSL_DEFAULT)
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{
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return addHighLevelShaderMaterialFromFiles(
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vertexShaderProgramFileName, vertexShaderEntryPointName,
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vsCompileTarget, pixelShaderProgramFileName,
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pixelShaderEntryPointName, psCompileTarget,
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"", "main", EGST_GS_4_0,
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scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0,
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callback, baseMaterial, userData, shadingLang);
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}
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//! convenience function for use with many defaults, without geometry shader
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/** All shader names are set to "main" and compile targets are shader
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type 1.1.
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*/
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s32 addHighLevelShaderMaterialFromFiles(
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const io::path& vertexShaderProgramFileName,
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const io::path& pixelShaderProgramFileName = "",
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0 )
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{
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return addHighLevelShaderMaterialFromFiles(
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vertexShaderProgramFileName, "main",
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EVST_VS_1_1, pixelShaderProgramFileName,
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"main", EPST_PS_1_1,
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"", "main", EGST_GS_4_0,
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scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0,
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callback, baseMaterial, userData);
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}
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//! convenience function for use with many defaults, with geometry shader
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/** All shader names are set to "main" and compile targets are shader
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type 1.1 and geometry shader 4.0.
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*/
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s32 addHighLevelShaderMaterialFromFiles(
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const io::path& vertexShaderProgramFileName,
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const io::path& pixelShaderProgramFileName = "",
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const io::path& geometryShaderProgramFileName = "",
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scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
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scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
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u32 verticesOut = 0,
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IShaderConstantSetCallBack* callback = 0,
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E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
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s32 userData = 0 )
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{
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return addHighLevelShaderMaterialFromFiles(
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vertexShaderProgramFileName, "main",
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EVST_VS_1_1, pixelShaderProgramFileName,
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"main", EPST_PS_1_1,
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geometryShaderProgramFileName, "main", EGST_GS_4_0,
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inType, outType, verticesOut,
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callback, baseMaterial, userData);
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}
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//! Like IGPUProgrammingServices::addShaderMaterial(), but loads from files.
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/** \param vertexShaderProgram Text file handle containing the source
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of the vertex shader program. Set to 0 if no vertex shader shall be
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created.
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\param vertexShaderEntryPointName Name of the entry function of the
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vertexShaderProgram
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\param vsCompileTarget Vertex shader version the high level shader
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shall be compiled to.
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\param pixelShaderProgram Text file handle containing the source of
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the pixel shader program. Set to 0 if no pixel shader shall be created.
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\param pixelShaderEntryPointName Entry name of the function of the
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pixelShaderProgram (p.e. "main")
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\param psCompileTarget Pixel shader version the high level shader
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shall be compiled to.
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\param geometryShaderProgram Text file handle containing the source of
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the geometry shader program. Set to 0 if no geometry shader shall be
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created.
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\param geometryShaderEntryPointName Entry name of the function of the
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geometryShaderProgram (p.e. "main")
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\param gsCompileTarget Geometry shader version the high level shader
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shall be compiled to.
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\param inType Type of vertices passed to geometry shader
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\param outType Type of vertices created by geometry shader
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\param verticesOut Maximal number of vertices created by geometry
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shader. If 0, maximal number supported is assumed.
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\param callback Pointer to an implementation of
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IShaderConstantSetCallBack in which you can set the needed vertex and
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pixel shader program constants. Set this to 0 if you don't need this.
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\param baseMaterial Base material which renderstates will be used to
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shade the material.
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\param userData a user data int. This int can be set to any value and
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will be set as parameter in the callback method when calling
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OnSetConstants(). In this way it is easily possible to use the same
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callback method for multiple materials and distinguish between them
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during the call.
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\param shaderLang a type of shading language used in current shader.
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\return Number of the material type which can be set in
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SMaterial::MaterialType to use the renderer. -1 is returned if an
|
||
|
|
error occured, e.g. if a shader program could not be compiled or a
|
||
|
|
compile target is not reachable. The error strings are then printed to
|
||
|
|
the error log and can be catched with a custom event receiver. */
|
||
|
|
virtual s32 addHighLevelShaderMaterialFromFiles(
|
||
|
|
io::IReadFile* vertexShaderProgram,
|
||
|
|
const c8* vertexShaderEntryPointName,
|
||
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget,
|
||
|
|
io::IReadFile* pixelShaderProgram,
|
||
|
|
const c8* pixelShaderEntryPointName,
|
||
|
|
E_PIXEL_SHADER_TYPE psCompileTarget,
|
||
|
|
io::IReadFile* geometryShaderProgram,
|
||
|
|
const c8* geometryShaderEntryPointName = "main",
|
||
|
|
E_GEOMETRY_SHADER_TYPE gsCompileTarget = EGST_GS_4_0,
|
||
|
|
scene::E_PRIMITIVE_TYPE inType = scene::EPT_TRIANGLES,
|
||
|
|
scene::E_PRIMITIVE_TYPE outType = scene::EPT_TRIANGLE_STRIP,
|
||
|
|
u32 verticesOut = 0,
|
||
|
|
IShaderConstantSetCallBack* callback = 0,
|
||
|
|
E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
|
||
|
|
s32 userData = 0,
|
||
|
|
E_GPU_SHADING_LANGUAGE shadingLang = EGSL_DEFAULT) = 0;
|
||
|
|
|
||
|
|
//! convenience function for use without geometry shaders
|
||
|
|
s32 addHighLevelShaderMaterialFromFiles(
|
||
|
|
io::IReadFile* vertexShaderProgram,
|
||
|
|
const c8* vertexShaderEntryPointName = "main",
|
||
|
|
E_VERTEX_SHADER_TYPE vsCompileTarget = EVST_VS_1_1,
|
||
|
|
io::IReadFile* pixelShaderProgram = 0,
|
||
|
|
const c8* pixelShaderEntryPointName = "main",
|
||
|
|
E_PIXEL_SHADER_TYPE psCompileTarget = EPST_PS_1_1,
|
||
|
|
IShaderConstantSetCallBack* callback = 0,
|
||
|
|
E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
|
||
|
|
s32 userData = 0,
|
||
|
|
E_GPU_SHADING_LANGUAGE shadingLang = EGSL_DEFAULT)
|
||
|
|
{
|
||
|
|
return addHighLevelShaderMaterialFromFiles(
|
||
|
|
vertexShaderProgram, vertexShaderEntryPointName,
|
||
|
|
vsCompileTarget, pixelShaderProgram,
|
||
|
|
pixelShaderEntryPointName, psCompileTarget,
|
||
|
|
0, "main", EGST_GS_4_0,
|
||
|
|
scene::EPT_TRIANGLES, scene::EPT_TRIANGLE_STRIP, 0,
|
||
|
|
callback, baseMaterial, userData, shadingLang);
|
||
|
|
}
|
||
|
|
|
||
|
|
//! Adds a new ASM shader material renderer to the VideoDriver
|
||
|
|
/** Note that it is a good idea to call IVideoDriver::queryFeature() in
|
||
|
|
advance to check if the IVideoDriver supports the vertex and/or pixel
|
||
|
|
shader version your are using.
|
||
|
|
|
||
|
|
The material is added to the VideoDriver like with
|
||
|
|
IVideoDriver::addMaterialRenderer() and can be used like it had been
|
||
|
|
added with that method.
|
||
|
|
\param vertexShaderProgram String containing the source of the vertex
|
||
|
|
shader program. This can be 0 if no vertex program shall be used.
|
||
|
|
|
||
|
|
For DX8 programs, the will always input registers look like this: v0:
|
||
|
|
position, v1: normal, v2: color, v3: texture cooridnates, v4: texture
|
||
|
|
coordinates 2 if available.
|
||
|
|
|
||
|
|
For DX9 programs, you can manually set the registers using the dcl_
|
||
|
|
statements.
|
||
|
|
\param pixelShaderProgram String containing the source of the pixel
|
||
|
|
shader program. This can be 0 if you don't want to use a pixel shader.
|
||
|
|
\param callback Pointer to an implementation of
|
||
|
|
IShaderConstantSetCallBack in which you can set the needed vertex and
|
||
|
|
pixel shader program constants. Set this to 0 if you don't need this.
|
||
|
|
\param baseMaterial Base material which renderstates will be used to
|
||
|
|
shade the material.
|
||
|
|
\param userData a user data int. This int can be set to any value and
|
||
|
|
will be set as parameter in the callback method when calling
|
||
|
|
OnSetConstants(). In this way it is easily possible to use the same
|
||
|
|
callback method for multiple materials and distinguish between them
|
||
|
|
during the call.
|
||
|
|
\return Returns the number of the material type which can be set in
|
||
|
|
SMaterial::MaterialType to use the renderer. -1 is returned if an
|
||
|
|
error occured. -1 is returned for example if a vertex or pixel shader
|
||
|
|
program could not be compiled, the error strings are then printed out
|
||
|
|
into the error log, and can be catched with a custom event receiver. */
|
||
|
|
virtual s32 addShaderMaterial(const c8* vertexShaderProgram = 0,
|
||
|
|
const c8* pixelShaderProgram = 0,
|
||
|
|
IShaderConstantSetCallBack* callback = 0,
|
||
|
|
E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
|
||
|
|
s32 userData = 0) = 0;
|
||
|
|
|
||
|
|
//! Like IGPUProgrammingServices::addShaderMaterial(), but loads from files.
|
||
|
|
/** \param vertexShaderProgram Text file containing the source of the
|
||
|
|
vertex shader program. Set to 0 if no shader shall be created.
|
||
|
|
\param pixelShaderProgram Text file containing the source of the pixel
|
||
|
|
shader program. Set to 0 if no shader shall be created.
|
||
|
|
\param callback Pointer to an IShaderConstantSetCallback object to
|
||
|
|
which the OnSetConstants function is called.
|
||
|
|
\param baseMaterial baseMaterial
|
||
|
|
\param userData a user data int. This int can be set to any value and
|
||
|
|
will be set as parameter in the callback method when calling
|
||
|
|
OnSetConstants(). In this way it is easily possible to use the same
|
||
|
|
callback method for multiple materials and distinguish between them
|
||
|
|
during the call.
|
||
|
|
\return Returns the number of the material type which can be set in
|
||
|
|
SMaterial::MaterialType to use the renderer. -1 is returned if an
|
||
|
|
error occured. -1 is returned for example if a vertex or pixel shader
|
||
|
|
program could not be compiled, the error strings are then printed out
|
||
|
|
into the error log, and can be catched with a custom event receiver. */
|
||
|
|
virtual s32 addShaderMaterialFromFiles(io::IReadFile* vertexShaderProgram,
|
||
|
|
io::IReadFile* pixelShaderProgram,
|
||
|
|
IShaderConstantSetCallBack* callback = 0,
|
||
|
|
E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
|
||
|
|
s32 userData = 0) = 0;
|
||
|
|
|
||
|
|
//! Like IGPUProgrammingServices::addShaderMaterial(), but loads from files.
|
||
|
|
/** \param vertexShaderProgramFileName Text file name containing the
|
||
|
|
source of the vertex shader program. Set to 0 if no shader shall be
|
||
|
|
created.
|
||
|
|
\param pixelShaderProgramFileName Text file name containing the source
|
||
|
|
of the pixel shader program. Set to 0 if no shader shall be created.
|
||
|
|
\param callback Pointer to an IShaderConstantSetCallback object on
|
||
|
|
which the OnSetConstants function is called.
|
||
|
|
\param baseMaterial baseMaterial
|
||
|
|
\param userData a user data int. This int can be set to any value and
|
||
|
|
will be set as parameter in the callback method when calling
|
||
|
|
OnSetConstants(). In this way it is easily possible to use the same
|
||
|
|
callback method for multiple materials and distinguish between them
|
||
|
|
during the call.
|
||
|
|
\return Returns the number of the material type which can be set in
|
||
|
|
SMaterial::MaterialType to use the renderer. -1 is returned if an
|
||
|
|
error occured. -1 is returned for example if a vertex or pixel shader
|
||
|
|
program could not be compiled, the error strings are then printed out
|
||
|
|
into the error log, and can be catched with a custom event receiver. */
|
||
|
|
virtual s32 addShaderMaterialFromFiles(const io::path& vertexShaderProgramFileName,
|
||
|
|
const io::path& pixelShaderProgramFileName,
|
||
|
|
IShaderConstantSetCallBack* callback = 0,
|
||
|
|
E_MATERIAL_TYPE baseMaterial = video::EMT_SOLID,
|
||
|
|
s32 userData = 0) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
} // end namespace video
|
||
|
|
} // end namespace irr
|
||
|
|
|
||
|
|
#endif
|
||
|
|
|