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Diffstat (limited to 'Source/Core/VideoCommon/VertexShaderManager.cpp')
| -rw-r--r-- | Source/Core/VideoCommon/VertexShaderManager.cpp | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Source/Core/VideoCommon/VertexShaderManager.cpp b/Source/Core/VideoCommon/VertexShaderManager.cpp index f0e4be9040..b26ee5ccf9 100644 --- a/Source/Core/VideoCommon/VertexShaderManager.cpp +++ b/Source/Core/VideoCommon/VertexShaderManager.cpp @@ -360,6 +360,17 @@ void VertexShaderManager::SetConstants() bViewportChanged = false; constants.depthparams[0] = xfregs.viewport.farZ / 16777216.0f; constants.depthparams[1] = xfregs.viewport.zRange / 16777216.0f; + + // The console GPU places the pixel center at 7/12 unless antialiasing + // is enabled, while D3D and OpenGL place it at 0.5. See the comment + // in VertexShaderGen.cpp for details. + // NOTE: If we ever emulate antialiasing, the sample locations set by + // BP registers 0x01-0x04 need to be considered here. + const float pixel_center_correction = 7.0f / 12.0f - 0.5f; + const float pixel_size_x = 2.f / Renderer::EFBToScaledXf(2.f * xfregs.viewport.wd); + const float pixel_size_y = 2.f / Renderer::EFBToScaledXf(2.f * xfregs.viewport.ht); + constants.depthparams[2] = pixel_center_correction * pixel_size_x; + constants.depthparams[3] = pixel_center_correction * pixel_size_y; dirty = true; // This is so implementation-dependent that we can't have it here. g_renderer->SetViewport(); |