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Code Issues Releases Activity

gl_state_tracker: Implement dirty flags for alpha testing

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This commit is contained in:
ReinUsesLisp 2019-12-30 00:37:35 -03:00
parent 9e46953580
commit 3c22bd92d8
4 changed files with 24 additions and 6 deletions
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18
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -1267,13 +1267,23 @@ void RasterizerOpenGL::SyncPolygonOffset() {
}
void RasterizerOpenGL::SyncAlphaTest() {
const auto& regs = system.GPU().Maxwell3D().regs;
UNIMPLEMENTED_IF_MSG(regs.alpha_test_enabled != 0 && regs.rt_control.count > 1,
"Alpha Testing is enabled with more than one rendertarget");
auto& gpu = system.GPU().Maxwell3D();
auto& flags = gpu.dirty.flags;
if (!flags[Dirty::AlphaTest]) {
return;
}
flags[Dirty::AlphaTest] = false;
const auto& regs = gpu.regs;
if (regs.alpha_test_enabled && regs.rt_control.count > 1) {
LOG_WARNING(Render_OpenGL, "Alpha testing with more than one render target is not tested");
}
oglEnable(GL_ALPHA_TEST, regs.alpha_test_enabled);
if (regs.alpha_test_enabled) {
glEnable(GL_ALPHA_TEST);
glAlphaFunc(MaxwellToGL::ComparisonOp(regs.alpha_test_func), regs.alpha_test_ref);
} else {
glDisable(GL_ALPHA_TEST);
}
}

8
src/video_core/renderer_opengl/gl_state_tracker.cpp
View file

@ -149,6 +149,13 @@ void SetupDirtyStencilTest(Tables& tables) {
}
}
void SetupDirtyAlphaTest(Tables& tables) {
auto& table = tables[0];
table[OFF(alpha_test_ref)] = AlphaTest;
table[OFF(alpha_test_func)] = AlphaTest;
table[OFF(alpha_test_enabled)] = AlphaTest;
}
void SetupDirtyBlend(Tables& tables) {
FillBlock(tables[0], OFF(blend_color), NUM(blend_color), BlendColor);
@ -205,6 +212,7 @@ void StateTracker::Initialize() {
SetupDirtyShaders(tables);
SetupDirtyDepthTest(tables);
SetupDirtyStencilTest(tables);
SetupDirtyAlphaTest(tables);
SetupDirtyBlend(tables);
SetupDirtyPrimitiveRestart(tables);
SetupDirtyPolygonOffset(tables);

1
src/video_core/renderer_opengl/gl_state_tracker.h
View file

@ -62,6 +62,7 @@ enum : u8 {
DepthMask,
DepthTest,
StencilTest,
AlphaTest,
PrimitiveRestart,
PolygonOffset,

3
src/video_core/renderer_opengl/renderer_opengl.cpp
View file

@ -195,7 +195,7 @@ layout (location = 0) out vec4 color;
layout (binding = 0) uniform sampler2D color_texture;
void main() {
color = texture(color_texture, frag_tex_coord);
color = vec4(texture(color_texture, frag_tex_coord).rgb, 1.0f);
}
)";
@ -600,7 +600,6 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
glDisable(GL_FRAMEBUFFER_SRGB);
}
glDisable(GL_COLOR_LOGIC_OP);
glDisable(GL_ALPHA_TEST);
glDisable(GL_DEPTH_TEST);
glDisable(GL_STENCIL_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);