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GPU: Implemented register 0x22A.

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This is the equivalent of the "first" parameter in glDrawArrays, it tells the GPU the vertex index at which to start rendering.

Register 0x22A doesn't affect indexed rendering.
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Subv
2015-08-22 22:09:00 -05:00
parent ef7eb8bc4c
commit 12a11472f1
2 changed files with 8 additions and 2 deletions
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3
src/video_core/command_processor.cpp
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@ -231,7 +231,8 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
for (unsigned int index = 0; index < regs.num_vertices; ++index)
{
unsigned int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : index;
// Indexed rendering doesn't use the start offset
unsigned int vertex = is_indexed ? (index_u16 ? index_address_16[index] : index_address_8[index]) : (index + regs.vertex_offset);
// -1 is a common special value used for primitive restart. Since it's unknown if
// the PICA supports it, and it would mess up the caching, guard against it here.