Thanks to visit codestin.com
Credit goes to github.com

Skip to content

GPU: Handle invalid blendeq more accurately #18206

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 23, 2023
Merged

GPU: Handle invalid blendeq more accurately #18206

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
9 changes: 8 additions & 1 deletion GPU/Common/GPUStateUtils.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -290,8 +290,15 @@ ReplaceBlendType ReplaceBlendWithShader(GEBufferFormat bufferFormat) {
return REPLACE_BLEND_READ_FRAMEBUFFER;
}

default:
case GE_BLENDMODE_MUL_AND_ADD:
case GE_BLENDMODE_MUL_AND_SUBTRACT:
case GE_BLENDMODE_MUL_AND_SUBTRACT_REVERSE:
// Handled below.
break;

default:
// Other blend equations simply don't blend on hardware.
return REPLACE_BLEND_NO;
}

GEBlendSrcFactor funcA = gstate.getBlendFuncA();
Expand Down
17 changes: 1 addition & 16 deletions GPU/Common/ShaderId.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -275,21 +275,6 @@ bool FragmentIdNeedsFramebufferRead(const FShaderID &id) {
(ReplaceBlendType)id.Bits(FS_BIT_REPLACE_BLEND, 3) == REPLACE_BLEND_READ_FRAMEBUFFER;
}

static GEBlendMode SanitizeBlendEq(GEBlendMode beq) {
switch (beq) {
case GE_BLENDMODE_MUL_AND_ADD:
case GE_BLENDMODE_MUL_AND_SUBTRACT:
case GE_BLENDMODE_MUL_AND_SUBTRACT_REVERSE:
case GE_BLENDMODE_MIN:
case GE_BLENDMODE_MAX:
case GE_BLENDMODE_ABSDIFF:
return beq;
default:
// Just return something that won't cause a shader gen failure.
return GE_BLENDMODE_MUL_AND_ADD;
}
}

// Here we must take all the bits of the gstate that determine what the fragment shader will
// look like, and concatenate them together into an ID.
void ComputeFragmentShaderID(FShaderID *id_out, const ComputedPipelineState &pipelineState, const Draw::Bugs &bugs) {
Expand Down Expand Up @@ -384,7 +369,7 @@ void ComputeFragmentShaderID(FShaderID *id_out, const ComputedPipelineState &pip
// 3 bits.
id.SetBits(FS_BIT_REPLACE_BLEND, 3, replaceBlend);
// 11 bits total.
id.SetBits(FS_BIT_BLENDEQ, 3, SanitizeBlendEq(gstate.getBlendEq()));
id.SetBits(FS_BIT_BLENDEQ, 3, gstate.getBlendEq());
id.SetBits(FS_BIT_BLENDFUNC_A, 4, gstate.getBlendFuncA());
id.SetBits(FS_BIT_BLENDFUNC_B, 4, gstate.getBlendFuncB());
}
Expand Down