diff options
Diffstat (limited to 'src/video_core')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 70 |
1 files changed, 48 insertions, 22 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 160329f19..3a7e82beb 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -2676,14 +2676,29 @@ private: const bool depth_compare = instr.texs.UsesMiscMode(Tegra::Shader::TextureMiscMode::DC); u32 num_coordinates = TextureCoordinates(texture_type); - if (depth_compare) - num_coordinates += 1; + auto process_mode = instr.texs.GetTextureProcessMode(); + std::string lod_value; + u32 lod_offset = 0; + if (process_mode == Tegra::Shader::TextureProcessMode::LL) { + if (num_coordinates > 2) { + lod_value = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); + lod_offset = 2; + } else { + lod_value = regs.GetRegisterAsFloat(instr.gpr20); + lod_offset = 1; + } + } // Scope to avoid variable name overlaps. shader.AddLine('{'); ++shader.scope; switch (num_coordinates) { + case 1: { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + coord = "float coords = " + x + ';'; + break; + } case 2: { if (is_array) { const std::string index = regs.GetRegisterAsInteger(instr.gpr8); @@ -2691,26 +2706,37 @@ private: const std::string y = regs.GetRegisterAsFloat(instr.gpr20); shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + index + ");"); } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec2 coords = vec2(" + x + ", " + y + ");"); + if (lod_offset != 0) { + if (depth_compare) { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20.Value() + lod_offset); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; + } else { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + } + } else { + if (depth_compare) { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; + } else { + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec2 coords = vec2(" + x + ", " + y + ");"; + } + } } break; } case 3: { - if (is_array) { - const std::string index = regs.GetRegisterAsInteger(instr.gpr8); - const std::string x = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 2); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec4 coords = vec4(" + x + ", " + y + ", " + z + ", " + - index + ");"); - } else { - const std::string x = regs.GetRegisterAsFloat(instr.gpr8); - const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); - const std::string z = regs.GetRegisterAsFloat(instr.gpr20); - shader.AddLine("vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"); - } + const std::string x = regs.GetRegisterAsFloat(instr.gpr8); + const std::string y = regs.GetRegisterAsFloat(instr.gpr8.Value() + 1); + const std::string z = regs.GetRegisterAsFloat(instr.gpr20); + coord = "vec3 coords = vec3(" + x + ", " + y + ", " + z + ");"; break; } default: @@ -2727,22 +2753,22 @@ private: const std::string sampler = GetSampler(instr.sampler, texture_type, is_array, depth_compare); std::string texture; - switch (instr.texs.GetTextureProcessMode()) { + switch (process_mode) { case Tegra::Shader::TextureProcessMode::None: { texture = "texture(" + sampler + ", coords)"; break; } case Tegra::Shader::TextureProcessMode::LZ: { if (depth_compare && is_array) { - texture = "texture(" + sampler + ", coords)"; + // Since we got an OpenGL limitation, we set bias very high to enforce mipmap 0 + texture = "texture(" + sampler + ", coords, 1000.0)"; } else { texture = "textureLod(" + sampler + ", coords, 0.0)"; } break; } case Tegra::Shader::TextureProcessMode::LL: { - const std::string op_c = regs.GetRegisterAsFloat(instr.gpr20.Value() + 1); - texture = "textureLod(" + sampler + ", coords, " + op_c + ')'; + texture = "textureLod(" + sampler + ", coords, " + lod_value + ')'; break; } default: { |