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GLState: Allow enabling/disabling GL_COLOR_LOGIC_OP independently from blending.

This commit is contained in:
Subv 2018-08-20 18:43:11 -05:00
parent 6bcdf37d4f
commit f24ab6d9e6
2 changed files with 19 additions and 6 deletions
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20
src/video_core/renderer_opengl/gl_state.cpp
View File

@ -45,7 +45,8 @@ OpenGLState::OpenGLState() {
blend.color.blue = 0.0f;
blend.color.alpha = 0.0f;
logic_op = GL_COPY;
logic_op.enabled = false;
logic_op.operation = GL_COPY;
for (auto& texture_unit : texture_units) {
texture_unit.Reset();
@ -148,11 +149,10 @@ void OpenGLState::Apply() const {
// Blending
if (blend.enabled != cur_state.blend.enabled) {
if (blend.enabled) {
ASSERT(!logic_op.enabled);
glEnable(GL_BLEND);
glDisable(GL_COLOR_LOGIC_OP);
} else {
glDisable(GL_BLEND);
glEnable(GL_COLOR_LOGIC_OP);
}
}
@ -176,8 +176,18 @@ void OpenGLState::Apply() const {
glBlendEquationSeparate(blend.rgb_equation, blend.a_equation);
}
if (logic_op != cur_state.logic_op) {
glLogicOp(logic_op);
// Logic Operation
if (logic_op.enabled != cur_state.logic_op.enabled) {
if (logic_op.enabled) {
ASSERT(!blend.enabled);
glEnable(GL_COLOR_LOGIC_OP);
} else {
glDisable(GL_COLOR_LOGIC_OP);
}
}
if (logic_op.operation != cur_state.logic_op.operation) {
glLogicOp(logic_op.operation);
}
// Textures

5
src/video_core/renderer_opengl/gl_state.h
View File

@ -83,7 +83,10 @@ public:
} color; // GL_BLEND_COLOR
} blend;
GLenum logic_op; // GL_LOGIC_OP_MODE
struct {
bool enabled; // GL_LOGIC_OP_MODE
GLenum operation;
} logic_op;
// 3 texture units - one for each that is used in PICA fragment shader emulation
struct TextureUnit {