Mirrors/yuzu-fork
1
0
Fork 0
mirror of https://github.com/yuzu-mirror/yuzu.git synced 2024-11-13 05:59:58 +00:00
Code Issues Projects Releases Packages Wiki Activity

Add support to color mask to avoid issues in blending caused by wrong values in the alpha channel in some render targets.

Browse source
This commit is contained in:
Rodolfo Bogado 2018-11-04 23:46:06 -03:00
parent 145ae36963
commit 19038db489
5 changed files with 79 additions and 25 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

23
src/video_core/engines/maxwell_3d.h
View file

@ -462,6 +462,16 @@ public:
}
};
struct ColorMask {
union {
u32 raw;
BitField<0, 4, u32> R;
BitField<4, 4, u32> G;
BitField<8, 4, u32> B;
BitField<12, 4, u32> A;
};
};
bool IsShaderConfigEnabled(std::size_t index) const {
// The VertexB is always enabled.
if (index == static_cast<std::size_t>(Regs::ShaderProgram::VertexB)) {
@ -571,7 +581,11 @@ public:
u32 stencil_back_mask;
u32 stencil_back_func_mask;
INSERT_PADDING_WORDS(0x13);
INSERT_PADDING_WORDS(0xC);
u32 color_mask_common;
INSERT_PADDING_WORDS(0x6);
u32 rt_separate_frag_data;
@ -847,8 +861,9 @@ public:
BitField<6, 4, u32> RT;
BitField<10, 11, u32> layer;
} clear_buffers;
INSERT_PADDING_WORDS(0x4B);
INSERT_PADDING_WORDS(0xB);
std::array<ColorMask, NumRenderTargets> color_mask;
INSERT_PADDING_WORDS(0x38);
struct {
u32 query_address_high;
@ -1081,6 +1096,7 @@ ASSERT_REG_POSITION(scissor_test, 0x380);
ASSERT_REG_POSITION(stencil_back_func_ref, 0x3D5);
ASSERT_REG_POSITION(stencil_back_mask, 0x3D6);
ASSERT_REG_POSITION(stencil_back_func_mask, 0x3D7);
ASSERT_REG_POSITION(color_mask_common, 0x3E4);
ASSERT_REG_POSITION(rt_separate_frag_data, 0x3EB);
ASSERT_REG_POSITION(zeta, 0x3F8);
ASSERT_REG_POSITION(vertex_attrib_format, 0x458);
@ -1127,6 +1143,7 @@ ASSERT_REG_POSITION(instanced_arrays, 0x620);
ASSERT_REG_POSITION(cull, 0x646);
ASSERT_REG_POSITION(logic_op, 0x671);
ASSERT_REG_POSITION(clear_buffers, 0x674);
ASSERT_REG_POSITION(color_mask, 0x680);
ASSERT_REG_POSITION(query, 0x6C0);
ASSERT_REG_POSITION(vertex_array[0], 0x700);
ASSERT_REG_POSITION(independent_blend, 0x780);

23
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -511,10 +511,10 @@ void RasterizerOpenGL::Clear() {
OpenGLState clear_state;
clear_state.draw.draw_framebuffer = framebuffer.handle;
clear_state.color_mask.red_enabled = regs.clear_buffers.R ? GL_TRUE : GL_FALSE;
clear_state.color_mask.green_enabled = regs.clear_buffers.G ? GL_TRUE : GL_FALSE;
clear_state.color_mask.blue_enabled = regs.clear_buffers.B ? GL_TRUE : GL_FALSE;
clear_state.color_mask.alpha_enabled = regs.clear_buffers.A ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].red_enabled = regs.clear_buffers.R ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].green_enabled = regs.clear_buffers.G ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].blue_enabled = regs.clear_buffers.B ? GL_TRUE : GL_FALSE;
clear_state.color_mask[0].alpha_enabled = regs.clear_buffers.A ? GL_TRUE : GL_FALSE;
if (regs.clear_buffers.R || regs.clear_buffers.G || regs.clear_buffers.B ||
regs.clear_buffers.A) {
@ -573,7 +573,7 @@ void RasterizerOpenGL::DrawArrays() {
ScopeAcquireGLContext acquire_context{emu_window};
ConfigureFramebuffers();
SyncColorMask();
SyncDepthTestState();
SyncStencilTestState();
SyncBlendState();
@ -989,6 +989,18 @@ void RasterizerOpenGL::SyncStencilTestState() {
state.stencil.back.write_mask = regs.stencil_back_mask;
}
void RasterizerOpenGL::SyncColorMask() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const auto& source = regs.color_mask[regs.color_mask_common ? 0 : i];
auto& dest = state.color_mask[i];
dest.red_enabled = (source.R == 0) ? GL_FALSE : GL_TRUE;
dest.green_enabled = (source.G == 0) ? GL_FALSE : GL_TRUE;
dest.blue_enabled = (source.B == 0) ? GL_FALSE : GL_TRUE;
dest.alpha_enabled = (source.A == 0) ? GL_FALSE : GL_TRUE;
}
}
void RasterizerOpenGL::SyncBlendState() {
const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs;
@ -1000,6 +1012,7 @@ void RasterizerOpenGL::SyncBlendState() {
state.independant_blend.enabled = regs.independent_blend_enable;
if (!state.independant_blend.enabled) {
auto& blend = state.blend[0];
blend.enabled = regs.blend.enable[0] != 0;
blend.separate_alpha = regs.blend.separate_alpha;
blend.rgb_equation = MaxwellToGL::BlendEquation(regs.blend.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(regs.blend.factor_source_rgb);

3
src/video_core/renderer_opengl/gl_rasterizer.h
View file

@ -169,6 +169,9 @@ private:
/// Syncs the point state to match the guest state
void SyncPointState();
/// Syncs Color Mask
void SyncColorMask();
/// Check asserts for alpha testing.
void CheckAlphaTests();

47
src/video_core/renderer_opengl/gl_state.cpp
View file

@ -25,12 +25,12 @@ OpenGLState::OpenGLState() {
primitive_restart.enabled = false;
primitive_restart.index = 0;
color_mask.red_enabled = GL_TRUE;
color_mask.green_enabled = GL_TRUE;
color_mask.blue_enabled = GL_TRUE;
color_mask.alpha_enabled = GL_TRUE;
for (auto& item : color_mask) {
item.red_enabled = GL_TRUE;
item.green_enabled = GL_TRUE;
item.blue_enabled = GL_TRUE;
item.alpha_enabled = GL_TRUE;
}
stencil.test_enabled = false;
auto reset_stencil = [](auto& config) {
config.test_func = GL_ALWAYS;
@ -135,6 +135,32 @@ void OpenGLState::ApplyCulling() const {
}
}
void OpenGLState::ApplyColorMask() const {
if (GLAD_GL_ARB_viewport_array) {
for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
const auto& updated = color_mask[i];
const auto& current = cur_state.color_mask[i];
if (updated.red_enabled != current.red_enabled ||
updated.green_enabled != current.green_enabled ||
updated.blue_enabled != current.blue_enabled ||
updated.alpha_enabled != current.alpha_enabled) {
glColorMaski(static_cast<GLuint>(i), updated.red_enabled, updated.green_enabled,
updated.blue_enabled, updated.alpha_enabled);
}
}
} else {
const auto& updated = color_mask[0];
const auto& current = cur_state.color_mask[0];
if (updated.red_enabled != current.red_enabled ||
updated.green_enabled != current.green_enabled ||
updated.blue_enabled != current.blue_enabled ||
updated.alpha_enabled != current.alpha_enabled) {
glColorMask(updated.red_enabled, updated.green_enabled, updated.blue_enabled,
updated.alpha_enabled);
}
}
}
void OpenGLState::ApplyDepth() const {
// Depth test
const bool depth_test_changed = depth.test_enabled != cur_state.depth.test_enabled;
@ -444,18 +470,11 @@ void OpenGLState::Apply() const {
}
}
}
// Color mask
if (color_mask.red_enabled != cur_state.color_mask.red_enabled ||
color_mask.green_enabled != cur_state.color_mask.green_enabled ||
color_mask.blue_enabled != cur_state.color_mask.blue_enabled ||
color_mask.alpha_enabled != cur_state.color_mask.alpha_enabled) {
glColorMask(color_mask.red_enabled, color_mask.green_enabled, color_mask.blue_enabled,
color_mask.alpha_enabled);
}
// Point
if (point.size != cur_state.point.size) {
glPointSize(point.size);
}
ApplyColorMask();
ApplyViewport();
ApplyScissor();
ApplyStencilTest();

8
src/video_core/renderer_opengl/gl_state.h
View file

@ -56,13 +56,14 @@ public:
GLuint index;
} primitive_restart; // GL_PRIMITIVE_RESTART
struct {
struct ColorMask {
GLboolean red_enabled;
GLboolean green_enabled;
GLboolean blue_enabled;
GLboolean alpha_enabled;
} color_mask; // GL_COLOR_WRITEMASK
};
std::array<ColorMask, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets>
color_mask; // GL_COLOR_WRITEMASK
struct {
bool test_enabled; // GL_STENCIL_TEST
struct {
@ -198,6 +199,7 @@ private:
static bool s_rgb_used;
void ApplySRgb() const;
void ApplyCulling() const;
void ApplyColorMask() const;
void ApplyDepth() const;
void ApplyPrimitiveRestart() const;
void ApplyStencilTest() const;