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-rw-r--r--src/video_core/pica.h36
1 files changed, 33 insertions, 3 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index e4a91058c..30c8b7816 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -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);