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GPU: Optimize out common case texture proj.

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NFS Most Wanted 5-1-0 uses this when it could use uv scale/offset.
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2022-12-01 23:20:25 -08:00
parent 33abbca464
commit 106d730a20
1 changed files with 4 additions and 3 deletions
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7
GPU/Common/ShaderId.cpp
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@@ -173,8 +173,9 @@ void ComputeVertexShaderID(VShaderID *id_out, u32 vertType, bool useHWTransform,
static const char *alphaTestFuncs[] = { "NEVER", "ALWAYS", "==", "!=", "<", "<=", ">", ">=" };
static bool MatrixNeedsProjection(const float m[12]) {
return m[2] != 0.0f || m[5] != 0.0f || m[8] != 0.0f || m[11] != 1.0f;
static bool MatrixNeedsProjection(const float m[12], GETexProjMapMode mode) {
// For GE_PROJMAP_UV, we can ignore m[8] since it multiplies to zero.
return m[2] != 0.0f || m[5] != 0.0f || (m[8] != 0.0f && mode != GE_PROJMAP_UV) || m[11] != 1.0f;
}
std::string FragmentShaderDesc(const FShaderID &id) {
@@ -283,7 +284,7 @@ void ComputeFragmentShaderID(FShaderID *id_out, const ComputedPipelineState &pip
bool enableAlphaTest = gstate.isAlphaTestEnabled() && !IsAlphaTestTriviallyTrue();
bool enableColorTest = gstate.isColorTestEnabled() && !IsColorTestTriviallyTrue();
bool enableColorDoubling = gstate.isColorDoublingEnabled() && gstate.isTextureMapEnabled();
bool doTextureProjection = (gstate.getUVGenMode() == GE_TEXMAP_TEXTURE_MATRIX && MatrixNeedsProjection(gstate.tgenMatrix));
bool doTextureProjection = (gstate.getUVGenMode() == GE_TEXMAP_TEXTURE_MATRIX && MatrixNeedsProjection(gstate.tgenMatrix, gstate.getUVProjMode()));
bool doTextureAlpha = gstate.isTextureAlphaUsed();
bool doFlatShading = gstate.getShadeMode() == GE_SHADE_FLAT;