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Merge pull request #1059 from Subv/vertex_offset

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GPU: Implemented register 0x22A PICA_REG_DRAW_VERTEX_OFFSET
This commit is contained in:
bunnei 2015-08-30 17:12:33 -04:00
commit e77dc4e9d2
2 changed files with 8 additions and 2 deletions
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3
src/video_core/command_processor.cpp
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@ -235,7 +235,8 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
for (unsigned int index = 0; index < regs.num_vertices; ++index) 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 // -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. // the PICA supports it, and it would mess up the caching, guard against it here.

7
src/video_core/pica.h
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@ -769,7 +769,12 @@ struct Regs {
// Number of vertices to render // Number of vertices to render
u32 num_vertices; u32 num_vertices;
INSERT_PADDING_WORDS(0x5); INSERT_PADDING_WORDS(0x1);
// The index of the first vertex to render
u32 vertex_offset;
INSERT_PADDING_WORDS(0x3);
// These two trigger rendering of triangles // These two trigger rendering of triangles
u32 trigger_draw; u32 trigger_draw;