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rasterizer: Implement combiner buffer input.

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This commit is contained in:
bunnei 2015-05-06 22:18:11 -04:00
parent 44927f0306
commit a806b420a6
2 changed files with 53 additions and 4 deletions
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36
src/video_core/pica.h
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@ -226,7 +226,8 @@ struct Regs {
Texture1 = 0x4,
Texture2 = 0x5,
Texture3 = 0x6,
// 0x7-0xc = primary color??
PreviousBuffer = 0xd,
Constant = 0xe,
Previous = 0xf,
};
@ -309,11 +310,36 @@ struct Regs {
TevStageConfig tev_stage2;
INSERT_PADDING_WORDS(0x3);
TevStageConfig tev_stage3;
INSERT_PADDING_WORDS(0x13);
INSERT_PADDING_WORDS(0x3);
union {
// Tev stages 0-3 write their output to the combiner buffer if the corresponding bit in
// these masks are set
BitField< 8, 4, u32> update_mask_rgb;
BitField<12, 4, u32> update_mask_a;
bool TevStageUpdatesCombinerBufferColor(unsigned stage_index) const {
return (stage_index < 4) && (update_mask_rgb & (1 << stage_index));
}
bool TevStageUpdatesCombinerBufferAlpha(unsigned stage_index) const {
return (stage_index < 4) && (update_mask_a & (1 << stage_index));
}
} tev_combiner_buffer_input;
INSERT_PADDING_WORDS(0xf);
TevStageConfig tev_stage4;
INSERT_PADDING_WORDS(0x3);
TevStageConfig tev_stage5;
INSERT_PADDING_WORDS(0x3);
union {
BitField< 0, 8, u32> r;
BitField< 8, 8, u32> g;
BitField<16, 8, u32> b;
BitField<24, 8, u32> a;
} tev_combiner_buffer_color;
INSERT_PADDING_WORDS(0x2);
const std::array<Regs::TevStageConfig,6> GetTevStages() const {
return { tev_stage0, tev_stage1,
@ -784,8 +810,10 @@ struct Regs {
ADD_FIELD(tev_stage1);
ADD_FIELD(tev_stage2);
ADD_FIELD(tev_stage3);
ADD_FIELD(tev_combiner_buffer_input);
ADD_FIELD(tev_stage4);
ADD_FIELD(tev_stage5);
ADD_FIELD(tev_combiner_buffer_color);
ADD_FIELD(output_merger);
ADD_FIELD(framebuffer);
ADD_FIELD(vertex_attributes);
@ -859,8 +887,10 @@ ASSERT_REG_POSITION(tev_stage0, 0xc0);
ASSERT_REG_POSITION(tev_stage1, 0xc8);
ASSERT_REG_POSITION(tev_stage2, 0xd0);
ASSERT_REG_POSITION(tev_stage3, 0xd8);
ASSERT_REG_POSITION(tev_combiner_buffer_input, 0xe0);
ASSERT_REG_POSITION(tev_stage4, 0xf0);
ASSERT_REG_POSITION(tev_stage5, 0xf8);
ASSERT_REG_POSITION(tev_combiner_buffer_color, 0xfd);
ASSERT_REG_POSITION(output_merger, 0x100);
ASSERT_REG_POSITION(framebuffer, 0x110);
ASSERT_REG_POSITION(vertex_attributes, 0x200);