diff options
Diffstat (limited to 'src/video_core/renderer_opengl/gl_shader_decompiler.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index b0eb879cc..e890cfe57 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -643,6 +643,13 @@ private: ';'); } declarations.AddNewLine(); + + if (stage == Maxwell3D::Regs::ShaderStage::Fragment) { + declarations.AddLine("uniform bool alpha_testing_active;"); + declarations.AddLine("uniform float alpha_testing_ref;"); + declarations.AddLine("uniform uint alpha_testing_func;"); + } + declarations.AddNewLine(); } /// Generates declarations used for geometry shaders. @@ -1264,9 +1271,26 @@ private: ASSERT_MSG(header.ps.omap.sample_mask == 0, "Samplemask write is unimplemented"); + shader.AddLine("if (alpha_testing_active) {"); + ++shader.scope; + u32 current_reg = 3; + for (u32 render_target = 0; render_target < Maxwell3D::Regs::NumRenderTargets; + ++render_target) { + if (header.ps.IsColorComponentOutputEnabled(render_target, 0) || + header.ps.IsColorComponentOutputEnabled(render_target, 1) || + header.ps.IsColorComponentOutputEnabled(render_target, 2) || + header.ps.IsColorComponentOutputEnabled(render_target, 3)) { + shader.AddLine(fmt::format("if ({} < alpha_testing_ref) discard;", + regs.GetRegisterAsFloat(current_reg))); + current_reg += 4; + } + } + --shader.scope; + shader.AddLine("}"); + // Write the color outputs using the data in the shader registers, disabled // rendertargets/components are skipped in the register assignment. - u32 current_reg = 0; + current_reg = 0; for (u32 render_target = 0; render_target < Maxwell3D::Regs::NumRenderTargets; ++render_target) { // TODO(Subv): Figure out how dual-source blending is configured in the Switch. @@ -3497,7 +3521,7 @@ private: // Declarations std::set<std::string> declr_predicates; -}; // namespace Decompiler +}; // namespace OpenGL::GLShader::Decompiler std::string GetCommonDeclarations() { return fmt::format("#define MAX_CONSTBUFFER_ELEMENTS {}\n", |