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.cpp78
1 files changed, 52 insertions, 26 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
index f5425c31e..393ab5eab 100644
--- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
+++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp
@@ -12,6 +12,7 @@
#include "common/assert.h"
#include "common/common_types.h"
#include "video_core/engines/shader_bytecode.h"
+#include "video_core/engines/shader_header.h"
#include "video_core/renderer_opengl/gl_rasterizer.h"
#include "video_core/renderer_opengl/gl_shader_decompiler.h"
@@ -26,7 +27,7 @@ using Tegra::Shader::Sampler;
using Tegra::Shader::SubOp;
constexpr u32 PROGRAM_END = MAX_PROGRAM_CODE_LENGTH;
-constexpr u32 PROGRAM_HEADER_SIZE = 0x50;
+constexpr u32 PROGRAM_HEADER_SIZE = sizeof(Tegra::Shader::Header);
class DecompileFail : public std::runtime_error {
public:
@@ -714,7 +715,7 @@ public:
u32 main_offset, Maxwell3D::Regs::ShaderStage stage, const std::string& suffix)
: subroutines(subroutines), program_code(program_code), main_offset(main_offset),
stage(stage), suffix(suffix) {
-
+ std::memcpy(&header, program_code.data(), sizeof(Tegra::Shader::Header));
Generate(suffix);
}
@@ -728,23 +729,6 @@ public:
}
private:
- // Shader program header for a Fragment Shader.
- struct FragmentHeader {
- INSERT_PADDING_WORDS(5);
- INSERT_PADDING_WORDS(13);
- u32 enabled_color_outputs;
- union {
- BitField<0, 1, u32> writes_samplemask;
- BitField<1, 1, u32> writes_depth;
- };
-
- bool IsColorComponentOutputEnabled(u32 render_target, u32 component) const {
- const u32 bit = render_target * 4 + component;
- return enabled_color_outputs & (1 << bit);
- }
- };
- static_assert(sizeof(FragmentHeader) == PROGRAM_HEADER_SIZE, "FragmentHeader size is wrong");
-
/// Gets the Subroutine object corresponding to the specified address.
const Subroutine& GetSubroutine(u32 begin, u32 end) const {
const auto iter = subroutines.find(Subroutine{begin, end, suffix});
@@ -994,8 +978,6 @@ private:
// TEXS has two destination registers and a swizzle. The first two elements in the swizzle
// go into gpr0+0 and gpr0+1, and the rest goes into gpr28+0 and gpr28+1
- ASSERT_MSG(instr.texs.nodep == 0, "TEXS nodep not implemented");
-
std::size_t written_components = 0;
for (u32 component = 0; component < 4; ++component) {
if (!instr.texs.IsComponentEnabled(component)) {
@@ -1050,10 +1032,8 @@ private:
/// Writes the output values from a fragment shader to the corresponding GLSL output variables.
void EmitFragmentOutputsWrite() {
ASSERT(stage == Maxwell3D::Regs::ShaderStage::Fragment);
- FragmentHeader header;
- std::memcpy(&header, program_code.data(), PROGRAM_HEADER_SIZE);
- ASSERT_MSG(header.writes_samplemask == 0, "Samplemask write is unimplemented");
+ ASSERT_MSG(header.ps.omap.sample_mask == 0, "Samplemask write is unimplemented");
// Write the color outputs using the data in the shader registers, disabled
// rendertargets/components are skipped in the register assignment.
@@ -1062,7 +1042,7 @@ private:
++render_target) {
// TODO(Subv): Figure out how dual-source blending is configured in the Switch.
for (u32 component = 0; component < 4; ++component) {
- if (header.IsColorComponentOutputEnabled(render_target, component)) {
+ if (header.ps.IsColorComponentOutputEnabled(render_target, component)) {
shader.AddLine(fmt::format("FragColor{}[{}] = {};", render_target, component,
regs.GetRegisterAsFloat(current_reg)));
++current_reg;
@@ -1070,7 +1050,7 @@ private:
}
}
- if (header.writes_depth) {
+ if (header.ps.omap.depth) {
// The depth output is always 2 registers after the last color output, and current_reg
// already contains one past the last color register.
@@ -1912,6 +1892,13 @@ private:
Tegra::Shader::TextureType texture_type{instr.tex.texture_type};
std::string coord;
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tex.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
switch (texture_type) {
case Tegra::Shader::TextureType::Texture1D: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
@@ -1994,6 +1981,11 @@ private:
Tegra::Shader::TextureType texture_type{instr.texs.GetTextureType()};
bool is_array{instr.texs.IsArrayTexture()};
+ ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
switch (texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
if (is_array) {
@@ -2030,6 +2022,13 @@ private:
ASSERT(instr.tlds.IsArrayTexture() == false);
std::string coord;
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tlds.UsesMiscMode(Tegra::Shader::TextureMiscMode::MZ),
+ "MZ is not implemented");
+
switch (instr.tlds.GetTextureType()) {
case Tegra::Shader::TextureType::Texture2D: {
if (instr.tlds.IsArrayTexture()) {
@@ -2058,6 +2057,17 @@ private:
ASSERT(instr.tld4.array == 0);
std::string coord;
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+ "NDV is not implemented");
+ ASSERT_MSG(!instr.tld4.UsesMiscMode(Tegra::Shader::TextureMiscMode::PTP),
+ "PTP is not implemented");
+
switch (instr.tld4.texture_type) {
case Tegra::Shader::TextureType::Texture2D: {
const std::string x = regs.GetRegisterAsFloat(instr.gpr8);
@@ -2095,6 +2105,13 @@ private:
break;
}
case OpCode::Id::TLD4S: {
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::AOFFI),
+ "AOFFI is not implemented");
+ ASSERT_MSG(!instr.tld4s.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC),
+ "DC is not implemented");
+
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr20);
// TODO(Subv): Figure out how the sampler type is encoded in the TLD4S instruction.
@@ -2107,6 +2124,9 @@ private:
break;
}
case OpCode::Id::TXQ: {
+ ASSERT_MSG(!instr.txq.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+
// TODO: the new commits on the texture refactor, change the way samplers work.
// Sadly, not all texture instructions specify the type of texture their sampler
// uses. This must be fixed at a later instance.
@@ -2127,6 +2147,11 @@ private:
break;
}
case OpCode::Id::TMML: {
+ ASSERT_MSG(!instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NODEP),
+ "NODEP is not implemented");
+ ASSERT_MSG(!instr.tmml.UsesMiscMode(Tegra::Shader::TextureMiscMode::NDV),
+ "NDV is not implemented");
+
const std::string op_a = regs.GetRegisterAsFloat(instr.gpr8);
const std::string op_b = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1);
const bool is_array = instr.tmml.array != 0;
@@ -2731,6 +2756,7 @@ private:
private:
const std::set<Subroutine>& subroutines;
const ProgramCode& program_code;
+ Tegra::Shader::Header header;
const u32 main_offset;
Maxwell3D::Regs::ShaderStage stage;
const std::string& suffix;