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Differential D4455 Diff 14275 source/blender/gpu/GPU_vertex_format.h

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source/blender/gpu/GPU_vertex_format.h

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/** /**
* This makes the "virtual" attributes with suffixes "0", "1", "2" to access triangle data in the vertex * This makes the "virtual" attributes with suffixes "0", "1", "2" to access triangle data in the vertex
* shader. * shader.
* *
* IMPORTANT: * IMPORTANT:
* - Call this before creating the vertex buffer and after creating all attributes * - Call this before creating the vertex buffer and after creating all attributes
* - Only first vertex out of 3 has the correct information. Use flat output with GL_FIRST_VERTEX_CONVENTION. * - Only first vertex out of 3 has the correct information. Use flat output with GL_FIRST_VERTEX_CONVENTION.
**/ */
void GPU_vertformat_triple_load(GPUVertFormat *format); void GPU_vertformat_triple_load(GPUVertFormat *format);
/* format conversion */ /* format conversion */
typedef struct GPUPackedNormal { typedef struct GPUPackedNormal {
int x : 10; int x : 10;
int y : 10; int y : 10;
int z : 10; int z : 10;
int w : 2; /* 0 by default, can manually set to { -2, -1, 0, 1 } */ int w : 2; /* 0 by default, can manually set to { -2, -1, 0, 1 } */
} GPUPackedNormal; } GPUPackedNormal;
GPUPackedNormal GPU_normal_convert_i10_v3(const float data[3]); GPUPackedNormal GPU_normal_convert_i10_v3(const float data[3]);
GPUPackedNormal GPU_normal_convert_i10_s3(const short data[3]); GPUPackedNormal GPU_normal_convert_i10_s3(const short data[3]);
#endif /* __GPU_VERTEX_FORMAT_H__ */ #endif /* __GPU_VERTEX_FORMAT_H__ */