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gl_state: Remove blend state tracking

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This commit is contained in:
ReinUsesLisp 2019-12-26 03:51:50 -03:00
parent 7d9a5e9e30
commit 1bc0da3dea
5 changed files with 28 additions and 104 deletions
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49
src/video_core/renderer_opengl/gl_rasterizer.cpp
View file

@ -442,7 +442,9 @@ void RasterizerOpenGL::Clear() {
}
// TODO: Signal state tracker about these changes
// TODO(Rodrigo): Find out if these changes affect clearing
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glDisablei(GL_BLEND, 0);
UNIMPLEMENTED_IF(regs.clear_flags.viewport);
@ -1049,37 +1051,34 @@ void RasterizerOpenGL::SyncBlendState() {
glBlendColor(regs.blend_color.r, regs.blend_color.g, regs.blend_color.b, regs.blend_color.a);
state.independant_blend.enabled = regs.independent_blend_enable;
if (!state.independant_blend.enabled) {
auto& blend = state.blend[0];
if (!regs.independent_blend_enable) {
const auto& src = regs.blend;
blend.enabled = src.enable[0] != 0;
if (blend.enabled) {
blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
}
for (std::size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
state.blend[i].enabled = false;
oglEnable(GL_BLEND, src.enable[0]);
if (!src.enable[0]) {
return;
}
glBlendFuncSeparate(MaxwellToGL::BlendFunc(src.factor_source_rgb),
MaxwellToGL::BlendFunc(src.factor_dest_rgb),
MaxwellToGL::BlendFunc(src.factor_source_a),
MaxwellToGL::BlendFunc(src.factor_dest_a));
glBlendEquationSeparate(MaxwellToGL::BlendEquation(src.equation_rgb),
MaxwellToGL::BlendEquation(src.equation_a));
return;
}
for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
auto& blend = state.blend[i];
const auto& src = regs.independent_blend[i];
blend.enabled = regs.blend.enable[i] != 0;
if (!blend.enabled)
for (std::size_t i = 0; i < Maxwell::NumRenderTargets; ++i) {
oglEnablei(GL_BLEND, regs.blend.enable[i], static_cast<GLuint>(i));
if (!regs.blend.enable[i]) {
continue;
blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
}
const auto& src = regs.independent_blend[i];
glBlendFuncSeparatei(static_cast<GLuint>(i), MaxwellToGL::BlendFunc(src.factor_source_rgb),
MaxwellToGL::BlendFunc(src.factor_dest_rgb),
MaxwellToGL::BlendFunc(src.factor_source_a),
MaxwellToGL::BlendFunc(src.factor_dest_a));
glBlendEquationSeparatei(static_cast<GLuint>(i),
MaxwellToGL::BlendEquation(src.equation_rgb),
MaxwellToGL::BlendEquation(src.equation_a));
}
}

61
src/video_core/renderer_opengl/gl_state.cpp
View file

@ -106,66 +106,6 @@ void OpenGLState::ApplyProgramPipeline() {
}
}
void OpenGLState::ApplyGlobalBlending() {
const Blend& updated = blend[0];
Blend& current = cur_state.blend[0];
Enable(GL_BLEND, current.enabled, updated.enabled);
if (current.src_rgb_func != updated.src_rgb_func ||
current.dst_rgb_func != updated.dst_rgb_func || current.src_a_func != updated.src_a_func ||
current.dst_a_func != updated.dst_a_func) {
current.src_rgb_func = updated.src_rgb_func;
current.dst_rgb_func = updated.dst_rgb_func;
current.src_a_func = updated.src_a_func;
current.dst_a_func = updated.dst_a_func;
glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
updated.dst_a_func);
}
if (current.rgb_equation != updated.rgb_equation || current.a_equation != updated.a_equation) {
current.rgb_equation = updated.rgb_equation;
current.a_equation = updated.a_equation;
glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
}
}
void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) {
const Blend& updated = blend[target];
Blend& current = cur_state.blend[target];
if (current.enabled != updated.enabled || force) {
current.enabled = updated.enabled;
Enable(GL_BLEND, static_cast<GLuint>(target), updated.enabled);
}
if (UpdateTie(std::tie(current.src_rgb_func, current.dst_rgb_func, current.src_a_func,
current.dst_a_func),
std::tie(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
updated.dst_a_func))) {
glBlendFuncSeparatei(static_cast<GLuint>(target), updated.src_rgb_func,
updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
}
if (UpdateTie(std::tie(current.rgb_equation, current.a_equation),
std::tie(updated.rgb_equation, updated.a_equation))) {
glBlendEquationSeparatei(static_cast<GLuint>(target), updated.rgb_equation,
updated.a_equation);
}
}
void OpenGLState::ApplyBlending() {
if (independant_blend.enabled) {
const bool force = independant_blend.enabled != cur_state.independant_blend.enabled;
for (std::size_t target = 0; target < Maxwell::NumRenderTargets; ++target) {
ApplyTargetBlending(target, force);
}
} else {
ApplyGlobalBlending();
}
cur_state.independant_blend.enabled = independant_blend.enabled;
}
void OpenGLState::ApplyRenderBuffer() {
if (cur_state.renderbuffer != renderbuffer) {
cur_state.renderbuffer = renderbuffer;
@ -206,7 +146,6 @@ void OpenGLState::Apply() {
ApplyFramebufferState();
ApplyShaderProgram();
ApplyProgramPipeline();
ApplyBlending();
ApplyTextures();
ApplySamplers();
ApplyImages();

18
src/video_core/renderer_opengl/gl_state.h
View file

@ -13,21 +13,6 @@ namespace OpenGL {
class OpenGLState {
public:
struct Blend {
bool enabled = false; // GL_BLEND
GLenum rgb_equation = GL_FUNC_ADD; // GL_BLEND_EQUATION_RGB
GLenum a_equation = GL_FUNC_ADD; // GL_BLEND_EQUATION_ALPHA
GLenum src_rgb_func = GL_ONE; // GL_BLEND_SRC_RGB
GLenum dst_rgb_func = GL_ZERO; // GL_BLEND_DST_RGB
GLenum src_a_func = GL_ONE; // GL_BLEND_SRC_ALPHA
GLenum dst_a_func = GL_ZERO; // GL_BLEND_DST_ALPHA
};
std::array<Blend, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> blend;
struct {
bool enabled = false;
} independant_blend;
static constexpr std::size_t NumSamplers = 32 * 5;
static constexpr std::size_t NumImages = 8 * 5;
std::array<GLuint, NumSamplers> textures = {};
@ -56,9 +41,6 @@ public:
void ApplyFramebufferState();
void ApplyShaderProgram();
void ApplyProgramPipeline();
void ApplyTargetBlending(std::size_t target, bool force);
void ApplyGlobalBlending();
void ApplyBlending();
void ApplyTextures();
void ApplySamplers();
void ApplyImages();

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

@ -537,8 +537,11 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
glDisable(GL_FRAMEBUFFER_SRGB);
}
// TODO(Rodrigo): Find out if rasterizer discard affects blits
// TODO(Rodrigo): Find out if blending affects blits
// TODO(Rodrigo): Find out if clip control affects blits
glDisable(GL_RASTERIZER_DISCARD);
glDisablei(GL_SCISSOR_TEST, 0);
glDisablei(GL_BLEND, 0);
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
u32 buffers{};

1
src/video_core/renderer_opengl/renderer_opengl.cpp
View file

@ -582,6 +582,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
glDisable(GL_STENCIL_TEST);
glDisable(GL_POLYGON_OFFSET_FILL);
glDisable(GL_RASTERIZER_DISCARD);
glDisablei(GL_BLEND, 0);
glDisablei(GL_SCISSOR_TEST, 0);
glCullFace(GL_BACK);
glFrontFace(GL_CW);