diff options
| author | bunnei <bunneidev@gmail.com> | 2015-10-01 18:34:10 -0400 |
|---|---|---|
| committer | bunnei <bunneidev@gmail.com> | 2015-10-21 21:51:23 -0400 |
| commit | 82f3e6dc69d23c3e70c1ad2805e2e15397cd9156 (patch) | |
| tree | f12443b88d9f95d6bf2bbc1599ba4da47438df24 /src/video_core/renderer_opengl/gl_rasterizer.cpp | |
| parent | e3f4233cefff611e03a2031c6194a118d946a5d9 (diff) | |
gl_shader_util: Fix precision bug with alpha testing.
- Alpha testing is not done with float32 precision, this makes the HW renderer match the SW renderer.
Diffstat (limited to 'src/video_core/renderer_opengl/gl_rasterizer.cpp')
| -rw-r--r-- | src/video_core/renderer_opengl/gl_rasterizer.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index 45329d561..38d184ae2 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -195,7 +195,7 @@ void RasterizerOpenGL::RegenerateShaders() { // Sync alpha reference if (current_shader->uniform_alphatest_ref != -1) - glUniform1f(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref / 255.0f); + glUniform1i(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref); // Sync combiner buffer color if (current_shader->uniform_tev_combiner_buffer_color != -1) { @@ -655,7 +655,7 @@ void RasterizerOpenGL::SyncBlendColor() { void RasterizerOpenGL::SyncAlphaTest() { const auto& regs = Pica::g_state.regs; if (current_shader->uniform_alphatest_ref != -1) - glUniform1f(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref / 255.0f); + glUniform1i(current_shader->uniform_alphatest_ref, regs.output_merger.alpha_test.ref); } void RasterizerOpenGL::SyncLogicOp() { |