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Merge pull request #239 from Subv/shaders

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GPU: Added some shader-related registers.
This commit is contained in:
bunnei 2018-03-16 21:09:35 -04:00 committed by GitHub
commit 0eff775264
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 63 additions and 2 deletions
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8
src/video_core/engines/maxwell_3d.cpp
View File

@ -19,6 +19,14 @@ void Maxwell3D::WriteReg(u32 method, u32 value) {
#define MAXWELL3D_REG_INDEX(field_name) (offsetof(Regs, field_name) / sizeof(u32))
switch (method) {
case MAXWELL3D_REG_INDEX(code_address.code_address_high):
case MAXWELL3D_REG_INDEX(code_address.code_address_low): {
// Note: For some reason games (like Puyo Puyo Tetris) seem to write 0 to the CODE_ADDRESS
// register, we do not currently know if that's intended or a bug, so we assert it lest
// stuff breaks in other places (like the shader address calculation).
ASSERT_MSG(regs.code_address.CodeAddress() == 0, "Unexpected CODE_ADDRESS register value.");
break;
}
case MAXWELL3D_REG_INDEX(draw.vertex_end_gl): {
DrawArrays();
break;

57
src/video_core/engines/maxwell_3d.h
View File

@ -30,9 +30,37 @@ public:
Sync = 1,
};
static constexpr size_t MaxShaderProgram = 6;
enum class ShaderProgram : u32 {
VertexA = 0,
VertexB = 1,
TesselationControl = 2,
TesselationEval = 3,
Geometry = 4,
Fragment = 5,
};
enum class ShaderType : u32 {
Vertex = 0,
TesselationControl = 1,
TesselationEval = 2,
Geometry = 3,
Fragment = 4,
};
union {
struct {
INSERT_PADDING_WORDS(0x585);
INSERT_PADDING_WORDS(0x582);
struct {
u32 code_address_high;
u32 code_address_low;
GPUVAddr CodeAddress() const {
return static_cast<GPUVAddr>(
(static_cast<GPUVAddr>(code_address_high) << 32) | code_address_low);
}
} code_address;
INSERT_PADDING_WORDS(1);
struct {
u32 vertex_end_gl;
u32 vertex_begin_gl;
@ -54,7 +82,28 @@ public:
(static_cast<GPUVAddr>(query_address_high) << 32) | query_address_low);
}
} query;
INSERT_PADDING_WORDS(0x772);
INSERT_PADDING_WORDS(0x13C);
struct {
union {
BitField<0, 1, u32> enable;
BitField<4, 4, ShaderProgram> program;
};
u32 start_id;
INSERT_PADDING_WORDS(1);
u32 gpr_alloc;
ShaderType type;
INSERT_PADDING_WORDS(9);
} shader_config[6];
INSERT_PADDING_WORDS(0x5D0);
struct {
u32 shader_code_call;
u32 shader_code_args;
} shader_code;
INSERT_PADDING_WORDS(0x10);
};
std::array<u32, NUM_REGS> reg_array;
};
@ -76,7 +125,11 @@ private:
static_assert(offsetof(Maxwell3D::Regs, field_name) == position * 4, \
"Field " #field_name " has invalid position")
ASSERT_REG_POSITION(code_address, 0x582);
ASSERT_REG_POSITION(draw, 0x585);
ASSERT_REG_POSITION(query, 0x6C0);
ASSERT_REG_POSITION(shader_config[0], 0x800);
ASSERT_REG_POSITION(shader_code, 0xE24);
#undef ASSERT_REG_POSITION