RenderShaderVertexColor
Functions
Detailed Description
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class RenderShaderVertexColor : public RED::RenderShader
Per-vertex interpolated color shader.
@related Using Built-in Render Shaders, class RED::IMaterial, class RED::RenderShader, class RED::StateShader, class RED::RenderCode
This shader can be used to produce per-vertex modulated illumination models. The shader uses the specified RED::MESH_CHANNEL input channel as colors defined for each vertex of the geometry. This color is used to produce a per-pixel color after interpolation over triangles of the geometry.
The RenderShaderVertexColor is usable in any pre-lighting of post-lighting pass of the material.
This shader creates one RED::HW_GENERIC platform configuration in direct lighting and two platform configurations RED::HW_NVIDIA_GENERIC and RED::HW_ATI_GENERIC in indirect lighting.
This shader only declares default ray-tracer parameters bindings in indirect lighting, using the RED_SHAD_TARGET_LIGHT_NO_LIGHT target.
Public Functions
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SET_CID(CID_class_REDRenderShaderVertexColor)
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IMPLEMENT_AS()
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RenderShaderVertexColor(RED::MATERIAL_PASS iPass, RED::MESH_CHANNEL iVertexColorChannel, RED::Object *iResMgr, RED_RC &oErrorCode)
Constructor.
- Parameters
iPass – Targets RED::MTL_PRELIT, RED::MTL_POSTLIT for direct lighting passes or RED::MTL_INDIRECT_PRELIT or RED::MTL_INDIRECT_POSTLIT for indirect lighting passes.
iVertexColorChannel – Index of the geometry channel to use to retrieve vertex color information.
iResMgr – The cluster’s resource manager.
oErrorCode – Indicates a construction failure when not returned set to RED_OK.
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virtual ~RenderShaderVertexColor()
Destructor.
Public Static Functions
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static RED_RC LoadProgram(RED::String &oString, const RED::ShaderProgramID &iID)
Loads a shader program.
Generates a shader program that corresponds to the specified iID.
- Parameters
oString – The created program string.
iID – The shader program unique ID.
- Returns
RED_OK if the shader could be loaded,
RED_ALLOC_FAILURE if an allocation has failed,
RED_FAIL otherwise.
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static RED_RC EvaluateFromInputParameters(RED::RenderShader *ioShader, RED::Object *iResMgr)
Evaluate a shader from its input parameters.
- Parameters
ioShader – Shader to redefine using its own input parameters.
iResMgr – The cluster’s resource manager.
- Returns
RED_OK if the operation has succeeded,
RED_BAD_PARAM if iShader was not valid,
RED_BAD_PARAM if an invalid parameter was found during the evaluation,
RED_ALLOC_FAILURE if a memory allocation has failed,
Other RED_RC related to shader creation can be returned.
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SET_CID(CID_class_REDRenderShaderVertexColor)
