summaryrefslogtreecommitdiffstats
path: root/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
-rw-r--r--src/video_core/renderer_opengl/gl_shader_decompiler.cpp83
1 files changed, 63 insertions, 20 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index e82c20942..252ff18fc 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -189,7 +189,7 @@ public:
private:
void AppendIndentation() {
- shader_source.append(static_cast<size_t>(scope) * 4, ' ');
+ shader_source.append(static_cast<std::size_t>(scope) * 4, ' ');
}
std::string shader_source;
@@ -208,7 +208,7 @@ public:
UnsignedInteger,
};
- GLSLRegister(size_t index, const std::string& suffix) : index{index}, suffix{suffix} {}
+ GLSLRegister(std::size_t index, const std::string& suffix) : index{index}, suffix{suffix} {}
/// Gets the GLSL type string for a register
static std::string GetTypeString() {
@@ -226,12 +226,12 @@ public:
}
/// Returns the index of the register
- size_t GetIndex() const {
+ std::size_t GetIndex() const {
return index;
}
private:
- const size_t index;
+ const std::size_t index;
const std::string& suffix;
};
@@ -468,7 +468,7 @@ public:
/// necessary.
std::string AccessSampler(const Sampler& sampler, Tegra::Shader::TextureType type,
bool is_array) {
- const size_t offset = static_cast<size_t>(sampler.index.Value());
+ const std::size_t offset = static_cast<std::size_t>(sampler.index.Value());
// If this sampler has already been used, return the existing mapping.
const auto itr =
@@ -481,7 +481,7 @@ public:
}
// Otherwise create a new mapping for this sampler
- const size_t next_index = used_samplers.size();
+ const std::size_t next_index = used_samplers.size();
const SamplerEntry entry{stage, offset, next_index, type, is_array};
used_samplers.emplace_back(entry);
return entry.GetName();
@@ -531,7 +531,7 @@ private:
void BuildRegisterList() {
regs.reserve(Register::NumRegisters);
- for (size_t index = 0; index < Register::NumRegisters; ++index) {
+ for (std::size_t index = 0; index < Register::NumRegisters; ++index) {
regs.emplace_back(index, suffix);
}
}
@@ -862,7 +862,7 @@ private:
*/
bool IsSchedInstruction(u32 offset) const {
// sched instructions appear once every 4 instructions.
- static constexpr size_t SchedPeriod = 4;
+ static constexpr std::size_t SchedPeriod = 4;
u32 absolute_offset = offset - main_offset;
return (absolute_offset % SchedPeriod) == 0;
@@ -930,7 +930,7 @@ private:
std::string result;
result += '(';
- for (size_t i = 0; i < shift_amounts.size(); ++i) {
+ for (std::size_t i = 0; i < shift_amounts.size(); ++i) {
if (i)
result += '|';
result += "(((" + imm_lut + " >> (((" + op_c + " >> " + shift_amounts[i] +
@@ -956,7 +956,7 @@ private:
ASSERT_MSG(instr.texs.nodep == 0, "TEXS nodep not implemented");
- size_t written_components = 0;
+ std::size_t written_components = 0;
for (u32 component = 0; component < 4; ++component) {
if (!instr.texs.IsComponentEnabled(component)) {
continue;
@@ -1770,13 +1770,34 @@ private:
case OpCode::Type::Memory: {
switch (opcode->GetId()) {
case OpCode::Id::LD_A: {
- ASSERT_MSG(instr.attribute.fmt20.size == 0, "untested");
// Note: Shouldn't this be interp mode flat? As in no interpolation made.
+ ASSERT_MSG(instr.gpr8.Value() == Register::ZeroIndex,
+ "Indirect attribute loads are not supported");
+ ASSERT_MSG((instr.attribute.fmt20.immediate.Value() % sizeof(u32)) == 0,
+ "Unaligned attribute loads are not supported");
Tegra::Shader::IpaMode input_mode{Tegra::Shader::IpaInterpMode::Perspective,
Tegra::Shader::IpaSampleMode::Default};
- regs.SetRegisterToInputAttibute(instr.gpr0, instr.attribute.fmt20.element,
- instr.attribute.fmt20.index, input_mode);
+
+ u32 next_element = instr.attribute.fmt20.element;
+ u32 next_index = static_cast<u32>(instr.attribute.fmt20.index.Value());
+
+ const auto LoadNextElement = [&](u32 reg_offset) {
+ regs.SetRegisterToInputAttibute(instr.gpr0.Value() + reg_offset, next_element,
+ static_cast<Attribute::Index>(next_index),
+ input_mode);
+
+ // Load the next attribute element into the following register. If the element
+ // to load goes beyond the vec4 size, load the first element of the next
+ // attribute.
+ next_element = (next_element + 1) % 4;
+ next_index = next_index + (next_element == 0 ? 1 : 0);
+ };
+
+ const u32 num_words = static_cast<u32>(instr.attribute.fmt20.size.Value()) + 1;
+ for (u32 reg_offset = 0; reg_offset < num_words; ++reg_offset) {
+ LoadNextElement(reg_offset);
+ }
break;
}
case OpCode::Id::LD_C: {
@@ -1818,9 +1839,31 @@ private:
break;
}
case OpCode::Id::ST_A: {
- ASSERT_MSG(instr.attribute.fmt20.size == 0, "untested");
- regs.SetOutputAttributeToRegister(instr.attribute.fmt20.index,
- instr.attribute.fmt20.element, instr.gpr0);
+ ASSERT_MSG(instr.gpr8.Value() == Register::ZeroIndex,
+ "Indirect attribute loads are not supported");
+ ASSERT_MSG((instr.attribute.fmt20.immediate.Value() % sizeof(u32)) == 0,
+ "Unaligned attribute loads are not supported");
+
+ u32 next_element = instr.attribute.fmt20.element;
+ u32 next_index = static_cast<u32>(instr.attribute.fmt20.index.Value());
+
+ const auto StoreNextElement = [&](u32 reg_offset) {
+ regs.SetOutputAttributeToRegister(static_cast<Attribute::Index>(next_index),
+ next_element,
+ instr.gpr0.Value() + reg_offset);
+
+ // Load the next attribute element into the following register. If the element
+ // to load goes beyond the vec4 size, load the first element of the next
+ // attribute.
+ next_element = (next_element + 1) % 4;
+ next_index = next_index + (next_element == 0 ? 1 : 0);
+ };
+
+ const u32 num_words = static_cast<u32>(instr.attribute.fmt20.size.Value()) + 1;
+ for (u32 reg_offset = 0; reg_offset < num_words; ++reg_offset) {
+ StoreNextElement(reg_offset);
+ }
+
break;
}
case OpCode::Id::TEX: {
@@ -1892,8 +1935,8 @@ private:
UNREACHABLE();
}
}
- size_t dest_elem{};
- for (size_t elem = 0; elem < 4; ++elem) {
+ std::size_t dest_elem{};
+ for (std::size_t elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;
@@ -1997,8 +2040,8 @@ private:
const std::string texture = "textureGather(" + sampler + ", coords, " +
std::to_string(instr.tld4.component) + ')';
- size_t dest_elem{};
- for (size_t elem = 0; elem < 4; ++elem) {
+ std::size_t dest_elem{};
+ for (std::size_t elem = 0; elem < 4; ++elem) {
if (!instr.tex.IsComponentEnabled(elem)) {
// Skip disabled components
continue;