diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 6562be102..f466b9427 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -1567,6 +1567,57 @@ private: WriteTexsInstruction(instr, coord, texture); break; } + case OpCode::Id::TLD4: { + ASSERT(instr.tld4.texture_type == Tegra::Shader::TextureType::Texture2D); + ASSERT(instr.tld4.array == 0); + std::string coord{}; + + switch (instr.tld4.texture_type) { + case Tegra::Shader::TextureType::Texture2D: { + std::string x = regs.GetRegisterAsFloat(instr.gpr8); + std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + break; + } + default: + UNIMPLEMENTED(); + } + + const std::string sampler = + GetSampler(instr.sampler, instr.tld4.texture_type, instr.tld4.array); + // Add an extra scope and declare the texture coords inside to prevent + // overwriting them in case they are used as outputs of the texs instruction. + shader.AddLine("{"); + ++shader.scope; + shader.AddLine(coord); + 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) { + if (!instr.tex.IsComponentEnabled(elem)) { + // Skip disabled components + continue; + } + regs.SetRegisterToFloat(instr.gpr0, elem, texture, 1, 4, false, dest_elem); + ++dest_elem; + } + --shader.scope; + shader.AddLine("}"); + break; + } + case OpCode::Id::TLD4S: { + 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. + const std::string sampler = + GetSampler(instr.sampler, Tegra::Shader::TextureType::Texture2D, false); + const std::string coord = "vec2 coords = vec2(" + op_a + ", " + op_b + ");"; + const std::string texture = "textureGather(" + sampler + ", coords, " + + std::to_string(instr.tld4s.component) + ')'; + WriteTexsInstruction(instr, coord, texture); + break; + } default: { LOG_CRITICAL(HW_GPU, "Unhandled memory instruction: {}", opcode->GetName()); UNREACHABLE(); |