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Fix texture alpha when texturing from full-alpha textures.

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Fixes #16875
This commit is contained in:
Henrik Rydgård 2023-02-02 16:12:28 +01:00
parent 5045d033ec
commit c11f7e3a5f
2 changed files with 6 additions and 2 deletions
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6
GPU/Common/ShaderUniforms.cpp
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@ -199,7 +199,11 @@ void BaseUpdateUniforms(UB_VS_FS_Base *ub, uint64_t dirtyUniforms, bool flipView
} }
if (dirtyUniforms & DIRTY_TEX_ALPHA_MUL) { if (dirtyUniforms & DIRTY_TEX_ALPHA_MUL) {
ub->texNoAlpha = gstate.isTextureAlphaUsed() ? 0.0f : 1.0f; bool doTextureAlpha = gstate.isTextureAlphaUsed();
if (gstate_c.textureFullAlpha && gstate.getTextureFunction() != GE_TEXFUNC_REPLACE) {
doTextureAlpha = false;
}
ub->texNoAlpha = doTextureAlpha ? 0.0f : 1.0f;
ub->texMul = gstate.isColorDoublingEnabled() ? 2.0f : 1.0f; ub->texMul = gstate.isColorDoublingEnabled() ? 2.0f : 1.0f;
} }

2
GPU/GPUState.h
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@ -549,7 +549,7 @@ struct GPUStateCache {
void SetTextureFullAlpha(bool fullAlpha) { void SetTextureFullAlpha(bool fullAlpha) {
if (fullAlpha != textureFullAlpha) { if (fullAlpha != textureFullAlpha) {
textureFullAlpha = fullAlpha; textureFullAlpha = fullAlpha;
Dirty(DIRTY_FRAGMENTSHADER_STATE); Dirty(DIRTY_FRAGMENTSHADER_STATE | DIRTY_TEX_ALPHA_MUL);
} }
} }
void SetNeedShaderTexclamp(bool need) { void SetNeedShaderTexclamp(bool need) {