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Merge pull request #2695 from JayFoxRox/gs-regs

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Prepare Pica registers for Geometry Shaders
This commit is contained in:
Weiyi Wang
2017-05-12 18:02:45 +03:00
committed by GitHub
parent db22b88fea ba722be2ac
commit 9bd3986540
6 changed files with 171 additions and 70 deletions
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212
src/video_core/command_processor.cpp
View File

@@ -32,12 +32,13 @@ namespace Pica {
namespace CommandProcessor {
static int float_regs_counter = 0;
static int vs_float_regs_counter = 0;
static u32 vs_uniform_write_buffer[4];
static u32 uniform_write_buffer[4];
static int gs_float_regs_counter = 0;
static u32 gs_uniform_write_buffer[4];
static int default_attr_counter = 0;
static u32 default_attr_write_buffer[3];
// Expand a 4-bit mask to 4-byte mask, e.g. 0b0101 -> 0x00FF00FF
@@ -48,6 +49,97 @@ static const u32 expand_bits_to_bytes[] = {
MICROPROFILE_DEFINE(GPU_Drawing, "GPU", "Drawing", MP_RGB(50, 50, 240));
static const char* GetShaderSetupTypeName(Shader::ShaderSetup& setup) {
if (&setup == &g_state.vs) {
return "vertex shader";
}
if (&setup == &g_state.gs) {
return "geometry shader";
}
return "unknown shader";
}
static void WriteUniformBoolReg(Shader::ShaderSetup& setup, u32 value) {
for (unsigned i = 0; i < setup.uniforms.b.size(); ++i)
setup.uniforms.b[i] = (value & (1 << i)) != 0;
}
static void WriteUniformIntReg(Shader::ShaderSetup& setup, unsigned index,
const Math::Vec4<u8>& values) {
ASSERT(index < setup.uniforms.i.size());
setup.uniforms.i[index] = values;
LOG_TRACE(HW_GPU, "Set %s integer uniform %d to %02x %02x %02x %02x",
GetShaderSetupTypeName(setup), index, values.x, values.y, values.z, values.w);
}
static void WriteUniformFloatReg(ShaderRegs& config, Shader::ShaderSetup& setup,
int& float_regs_counter, u32 uniform_write_buffer[4], u32 value) {
auto& uniform_setup = config.uniform_setup;
// TODO: Does actual hardware indeed keep an intermediate buffer or does
// it directly write the values?
uniform_write_buffer[float_regs_counter++] = value;
// Uniforms are written in a packed format such that four float24 values are encoded in
// three 32-bit numbers. We write to internal memory once a full such vector is
// written.
if ((float_regs_counter >= 4 && uniform_setup.IsFloat32()) ||
(float_regs_counter >= 3 && !uniform_setup.IsFloat32())) {
float_regs_counter = 0;
auto& uniform = setup.uniforms.f[uniform_setup.index];
if (uniform_setup.index >= 96) {
LOG_ERROR(HW_GPU, "Invalid %s float uniform index %d", GetShaderSetupTypeName(setup),
(int)uniform_setup.index);
} else {
// NOTE: The destination component order indeed is "backwards"
if (uniform_setup.IsFloat32()) {
for (auto i : {0, 1, 2, 3})
uniform[3 - i] = float24::FromFloat32(*(float*)(&uniform_write_buffer[i]));
} else {
// TODO: Untested
uniform.w = float24::FromRaw(uniform_write_buffer[0] >> 8);
uniform.z = float24::FromRaw(((uniform_write_buffer[0] & 0xFF) << 16) |
((uniform_write_buffer[1] >> 16) & 0xFFFF));
uniform.y = float24::FromRaw(((uniform_write_buffer[1] & 0xFFFF) << 8) |
((uniform_write_buffer[2] >> 24) & 0xFF));
uniform.x = float24::FromRaw(uniform_write_buffer[2] & 0xFFFFFF);
}
LOG_TRACE(HW_GPU, "Set %s float uniform %x to (%f %f %f %f)",
GetShaderSetupTypeName(setup), (int)uniform_setup.index,
uniform.x.ToFloat32(), uniform.y.ToFloat32(), uniform.z.ToFloat32(),
uniform.w.ToFloat32());
// TODO: Verify that this actually modifies the register!
uniform_setup.index.Assign(uniform_setup.index + 1);
}
}
}
static void WriteProgramCode(ShaderRegs& config, Shader::ShaderSetup& setup,
unsigned max_program_code_length, u32 value) {
if (config.program.offset >= max_program_code_length) {
LOG_ERROR(HW_GPU, "Invalid %s program offset %d", GetShaderSetupTypeName(setup),
(int)config.program.offset);
} else {
setup.program_code[config.program.offset] = value;
config.program.offset++;
}
}
static void WriteSwizzlePatterns(ShaderRegs& config, Shader::ShaderSetup& setup, u32 value) {
if (config.swizzle_patterns.offset >= setup.swizzle_data.size()) {
LOG_ERROR(HW_GPU, "Invalid %s swizzle pattern offset %d", GetShaderSetupTypeName(setup),
(int)config.swizzle_patterns.offset);
} else {
setup.swizzle_data[config.swizzle_patterns.offset] = value;
config.swizzle_patterns.offset++;
}
}
static void WritePicaReg(u32 id, u32 value, u32 mask) {
auto& regs = g_state.regs;
@@ -330,21 +422,70 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
break;
}
case PICA_REG_INDEX(vs.bool_uniforms):
for (unsigned i = 0; i < 16; ++i)
g_state.vs.uniforms.b[i] = (regs.vs.bool_uniforms.Value() & (1 << i)) != 0;
case PICA_REG_INDEX(gs.bool_uniforms):
WriteUniformBoolReg(g_state.gs, value);
break;
case PICA_REG_INDEX_WORKAROUND(gs.int_uniforms[0], 0x281):
case PICA_REG_INDEX_WORKAROUND(gs.int_uniforms[1], 0x282):
case PICA_REG_INDEX_WORKAROUND(gs.int_uniforms[2], 0x283):
case PICA_REG_INDEX_WORKAROUND(gs.int_uniforms[3], 0x284): {
unsigned index = (id - PICA_REG_INDEX_WORKAROUND(gs.int_uniforms[0], 0x281));
auto values = regs.gs.int_uniforms[index];
WriteUniformIntReg(g_state.gs, index,
Math::Vec4<u8>(values.x, values.y, values.z, values.w));
break;
}
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[0], 0x291):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[1], 0x292):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[2], 0x293):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[3], 0x294):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[4], 0x295):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[5], 0x296):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[6], 0x297):
case PICA_REG_INDEX_WORKAROUND(gs.uniform_setup.set_value[7], 0x298): {
WriteUniformFloatReg(g_state.regs.gs, g_state.gs, gs_float_regs_counter,
gs_uniform_write_buffer, value);
break;
}
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[0], 0x29c):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[1], 0x29d):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[2], 0x29e):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[3], 0x29f):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[4], 0x2a0):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[5], 0x2a1):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[6], 0x2a2):
case PICA_REG_INDEX_WORKAROUND(gs.program.set_word[7], 0x2a3): {
WriteProgramCode(g_state.regs.gs, g_state.gs, 4096, value);
break;
}
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[0], 0x2a6):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[1], 0x2a7):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[2], 0x2a8):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[3], 0x2a9):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[4], 0x2aa):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[5], 0x2ab):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[6], 0x2ac):
case PICA_REG_INDEX_WORKAROUND(gs.swizzle_patterns.set_word[7], 0x2ad): {
WriteSwizzlePatterns(g_state.regs.gs, g_state.gs, value);
break;
}
case PICA_REG_INDEX(vs.bool_uniforms):
WriteUniformBoolReg(g_state.vs, value);
break;
case PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[0], 0x2b1):
case PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[1], 0x2b2):
case PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[2], 0x2b3):
case PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[3], 0x2b4): {
int index = (id - PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[0], 0x2b1));
unsigned index = (id - PICA_REG_INDEX_WORKAROUND(vs.int_uniforms[0], 0x2b1));
auto values = regs.vs.int_uniforms[index];
g_state.vs.uniforms.i[index] = Math::Vec4<u8>(values.x, values.y, values.z, values.w);
LOG_TRACE(HW_GPU, "Set integer uniform %d to %02x %02x %02x %02x", index, values.x.Value(),
values.y.Value(), values.z.Value(), values.w.Value());
WriteUniformIntReg(g_state.vs, index,
Math::Vec4<u8>(values.x, values.y, values.z, values.w));
break;
}
@@ -356,51 +497,11 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(vs.uniform_setup.set_value[5], 0x2c6):
case PICA_REG_INDEX_WORKAROUND(vs.uniform_setup.set_value[6], 0x2c7):
case PICA_REG_INDEX_WORKAROUND(vs.uniform_setup.set_value[7], 0x2c8): {
auto& uniform_setup = regs.vs.uniform_setup;
// TODO: Does actual hardware indeed keep an intermediate buffer or does
// it directly write the values?
uniform_write_buffer[float_regs_counter++] = value;
// Uniforms are written in a packed format such that four float24 values are encoded in
// three 32-bit numbers. We write to internal memory once a full such vector is
// written.
if ((float_regs_counter >= 4 && uniform_setup.IsFloat32()) ||
(float_regs_counter >= 3 && !uniform_setup.IsFloat32())) {
float_regs_counter = 0;
auto& uniform = g_state.vs.uniforms.f[uniform_setup.index];
if (uniform_setup.index > 95) {
LOG_ERROR(HW_GPU, "Invalid VS uniform index %d", (int)uniform_setup.index);
break;
}
// NOTE: The destination component order indeed is "backwards"
if (uniform_setup.IsFloat32()) {
for (auto i : {0, 1, 2, 3})
uniform[3 - i] = float24::FromFloat32(*(float*)(&uniform_write_buffer[i]));
} else {
// TODO: Untested
uniform.w = float24::FromRaw(uniform_write_buffer[0] >> 8);
uniform.z = float24::FromRaw(((uniform_write_buffer[0] & 0xFF) << 16) |
((uniform_write_buffer[1] >> 16) & 0xFFFF));
uniform.y = float24::FromRaw(((uniform_write_buffer[1] & 0xFFFF) << 8) |
((uniform_write_buffer[2] >> 24) & 0xFF));
uniform.x = float24::FromRaw(uniform_write_buffer[2] & 0xFFFFFF);
}
LOG_TRACE(HW_GPU, "Set uniform %x to (%f %f %f %f)", (int)uniform_setup.index,
uniform.x.ToFloat32(), uniform.y.ToFloat32(), uniform.z.ToFloat32(),
uniform.w.ToFloat32());
// TODO: Verify that this actually modifies the register!
uniform_setup.index.Assign(uniform_setup.index + 1);
}
WriteUniformFloatReg(g_state.regs.vs, g_state.vs, vs_float_regs_counter,
vs_uniform_write_buffer, value);
break;
}
// Load shader program code
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[0], 0x2cc):
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[1], 0x2cd):
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[2], 0x2ce):
@@ -409,12 +510,10 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[5], 0x2d1):
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[6], 0x2d2):
case PICA_REG_INDEX_WORKAROUND(vs.program.set_word[7], 0x2d3): {
g_state.vs.program_code[regs.vs.program.offset] = value;
regs.vs.program.offset++;
WriteProgramCode(g_state.regs.vs, g_state.vs, 512, value);
break;
}
// Load swizzle pattern data
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[0], 0x2d6):
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[1], 0x2d7):
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[2], 0x2d8):
@@ -423,8 +522,7 @@ static void WritePicaReg(u32 id, u32 value, u32 mask) {
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[5], 0x2db):
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[6], 0x2dc):
case PICA_REG_INDEX_WORKAROUND(vs.swizzle_patterns.set_word[7], 0x2dd): {
g_state.vs.swizzle_data[regs.vs.swizzle_patterns.offset] = value;
regs.vs.swizzle_patterns.offset++;
WriteSwizzlePatterns(g_state.regs.vs, g_state.vs, value);
break;
}

7
src/video_core/shader/shader.h
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@@ -24,6 +24,9 @@ namespace Pica {
namespace Shader {
constexpr unsigned MAX_PROGRAM_CODE_LENGTH = 4096;
constexpr unsigned MAX_SWIZZLE_DATA_LENGTH = 4096;
struct AttributeBuffer {
alignas(16) Math::Vec4<float24> attr[16];
};
@@ -144,8 +147,8 @@ struct ShaderSetup {
return offsetof(ShaderSetup, uniforms.i) + index * sizeof(Math::Vec4<u8>);
}
std::array<u32, 1024> program_code;
std::array<u32, 1024> swizzle_data;
std::array<u32, MAX_PROGRAM_CODE_LENGTH> program_code;
std::array<u32, MAX_SWIZZLE_DATA_LENGTH> swizzle_data;
/// Data private to ShaderEngines
struct EngineData {

2
src/video_core/shader/shader_interpreter.cpp
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@@ -653,7 +653,7 @@ static void RunInterpreter(const ShaderSetup& setup, UnitState& state, DebugData
}
void InterpreterEngine::SetupBatch(ShaderSetup& setup, unsigned int entry_point) {
ASSERT(entry_point < 1024);
ASSERT(entry_point < MAX_PROGRAM_CODE_LENGTH);
setup.engine_data.entry_point = entry_point;
}

2
src/video_core/shader/shader_jit_x64.cpp
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@@ -15,7 +15,7 @@ JitX64Engine::JitX64Engine() = default;
JitX64Engine::~JitX64Engine() = default;
void JitX64Engine::SetupBatch(ShaderSetup& setup, unsigned int entry_point) {
ASSERT(entry_point < 1024);
ASSERT(entry_point < MAX_PROGRAM_CODE_LENGTH);
setup.engine_data.entry_point = entry_point;
u64 code_hash = Common::ComputeHash64(&setup.program_code, sizeof(setup.program_code));

4
src/video_core/shader/shader_jit_x64_compiler.cpp
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@@ -834,8 +834,8 @@ void JitShader::FindReturnOffsets() {
std::sort(return_offsets.begin(), return_offsets.end());
}
void JitShader::Compile(const std::array<u32, 1024>* program_code_,
const std::array<u32, 1024>* swizzle_data_) {
void JitShader::Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code_,
const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data_) {
program_code = program_code_;
swizzle_data = swizzle_data_;

14
src/video_core/shader/shader_jit_x64_compiler.h
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@@ -22,8 +22,8 @@ namespace Pica {
namespace Shader {
/// Memory allocated for each compiled shader (64Kb)
constexpr size_t MAX_SHADER_SIZE = 1024 * 64;
/// Memory allocated for each compiled shader
constexpr size_t MAX_SHADER_SIZE = MAX_PROGRAM_CODE_LENGTH * 64;
/**
* This class implements the shader JIT compiler. It recompiles a Pica shader program into x86_64
@@ -37,8 +37,8 @@ public:
program(&setup, &state, instruction_labels[offset].getAddress());
}
void Compile(const std::array<u32, 1024>* program_code,
const std::array<u32, 1024>* swizzle_data);
void Compile(const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code,
const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data);
void Compile_ADD(Instruction instr);
void Compile_DP3(Instruction instr);
@@ -104,11 +104,11 @@ private:
*/
void FindReturnOffsets();
const std::array<u32, 1024>* program_code = nullptr;
const std::array<u32, 1024>* swizzle_data = nullptr;
const std::array<u32, MAX_PROGRAM_CODE_LENGTH>* program_code = nullptr;
const std::array<u32, MAX_SWIZZLE_DATA_LENGTH>* swizzle_data = nullptr;
/// Mapping of Pica VS instructions to pointers in the emitted code
std::array<Xbyak::Label, 1024> instruction_labels;
std::array<Xbyak::Label, MAX_PROGRAM_CODE_LENGTH> instruction_labels;
/// Offsets in code where a return needs to be inserted
std::vector<unsigned> return_offsets;