Merge pull request #1775 from bunnei/blend-eq

maxwell_3d: Implement alternate blend equations.
This commit is contained in:
bunnei 2018-11-22 08:44:05 -08:00 committed by GitHub
commit 50d2abaaa9
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 12 additions and 0 deletions

View File

@ -389,6 +389,13 @@ public:
ReverseSubtract = 3,
Min = 4,
Max = 5,
// These values are used by Nouveau and some games.
AddGL = 0x8006,
SubtractGL = 0x8007,
ReverseSubtractGL = 0x8008,
MinGL = 0x800a,
MaxGL = 0x800b
};
enum class Factor : u32 {

View File

@ -218,14 +218,19 @@ inline GLenum DepthCompareFunc(Tegra::Texture::DepthCompareFunc func) {
inline GLenum BlendEquation(Maxwell::Blend::Equation equation) {
switch (equation) {
case Maxwell::Blend::Equation::Add:
case Maxwell::Blend::Equation::AddGL:
return GL_FUNC_ADD;
case Maxwell::Blend::Equation::Subtract:
case Maxwell::Blend::Equation::SubtractGL:
return GL_FUNC_SUBTRACT;
case Maxwell::Blend::Equation::ReverseSubtract:
case Maxwell::Blend::Equation::ReverseSubtractGL:
return GL_FUNC_REVERSE_SUBTRACT;
case Maxwell::Blend::Equation::Min:
case Maxwell::Blend::Equation::MinGL:
return GL_MIN;
case Maxwell::Blend::Equation::Max:
case Maxwell::Blend::Equation::MaxGL:
return GL_MAX;
}
LOG_ERROR(Render_OpenGL, "Unimplemented blend equation={}", static_cast<u32>(equation));