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gl_state: Remove blend state tracking
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7d9a5e9e30
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@ -442,7 +442,9 @@ void RasterizerOpenGL::Clear() {
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}
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// TODO: Signal state tracker about these changes
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// TODO(Rodrigo): Find out if these changes affect clearing
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glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
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glDisablei(GL_BLEND, 0);
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UNIMPLEMENTED_IF(regs.clear_flags.viewport);
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@ -1049,37 +1051,34 @@ void RasterizerOpenGL::SyncBlendState() {
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glBlendColor(regs.blend_color.r, regs.blend_color.g, regs.blend_color.b, regs.blend_color.a);
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state.independant_blend.enabled = regs.independent_blend_enable;
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if (!state.independant_blend.enabled) {
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auto& blend = state.blend[0];
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if (!regs.independent_blend_enable) {
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const auto& src = regs.blend;
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blend.enabled = src.enable[0] != 0;
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if (blend.enabled) {
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blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
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blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
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blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
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blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
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blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
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blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
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}
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for (std::size_t i = 1; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
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state.blend[i].enabled = false;
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oglEnable(GL_BLEND, src.enable[0]);
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if (!src.enable[0]) {
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return;
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}
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glBlendFuncSeparate(MaxwellToGL::BlendFunc(src.factor_source_rgb),
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MaxwellToGL::BlendFunc(src.factor_dest_rgb),
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MaxwellToGL::BlendFunc(src.factor_source_a),
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MaxwellToGL::BlendFunc(src.factor_dest_a));
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glBlendEquationSeparate(MaxwellToGL::BlendEquation(src.equation_rgb),
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MaxwellToGL::BlendEquation(src.equation_a));
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return;
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}
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for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) {
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auto& blend = state.blend[i];
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const auto& src = regs.independent_blend[i];
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blend.enabled = regs.blend.enable[i] != 0;
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if (!blend.enabled)
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for (std::size_t i = 0; i < Maxwell::NumRenderTargets; ++i) {
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oglEnablei(GL_BLEND, regs.blend.enable[i], static_cast<GLuint>(i));
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if (!regs.blend.enable[i]) {
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continue;
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blend.rgb_equation = MaxwellToGL::BlendEquation(src.equation_rgb);
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blend.src_rgb_func = MaxwellToGL::BlendFunc(src.factor_source_rgb);
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blend.dst_rgb_func = MaxwellToGL::BlendFunc(src.factor_dest_rgb);
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blend.a_equation = MaxwellToGL::BlendEquation(src.equation_a);
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blend.src_a_func = MaxwellToGL::BlendFunc(src.factor_source_a);
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blend.dst_a_func = MaxwellToGL::BlendFunc(src.factor_dest_a);
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}
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const auto& src = regs.independent_blend[i];
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glBlendFuncSeparatei(static_cast<GLuint>(i), MaxwellToGL::BlendFunc(src.factor_source_rgb),
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MaxwellToGL::BlendFunc(src.factor_dest_rgb),
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MaxwellToGL::BlendFunc(src.factor_source_a),
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MaxwellToGL::BlendFunc(src.factor_dest_a));
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glBlendEquationSeparatei(static_cast<GLuint>(i),
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MaxwellToGL::BlendEquation(src.equation_rgb),
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MaxwellToGL::BlendEquation(src.equation_a));
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}
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}
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@ -106,66 +106,6 @@ void OpenGLState::ApplyProgramPipeline() {
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}
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}
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void OpenGLState::ApplyGlobalBlending() {
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const Blend& updated = blend[0];
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Blend& current = cur_state.blend[0];
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Enable(GL_BLEND, current.enabled, updated.enabled);
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if (current.src_rgb_func != updated.src_rgb_func ||
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current.dst_rgb_func != updated.dst_rgb_func || current.src_a_func != updated.src_a_func ||
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current.dst_a_func != updated.dst_a_func) {
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current.src_rgb_func = updated.src_rgb_func;
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current.dst_rgb_func = updated.dst_rgb_func;
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current.src_a_func = updated.src_a_func;
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current.dst_a_func = updated.dst_a_func;
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glBlendFuncSeparate(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
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updated.dst_a_func);
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}
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if (current.rgb_equation != updated.rgb_equation || current.a_equation != updated.a_equation) {
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current.rgb_equation = updated.rgb_equation;
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current.a_equation = updated.a_equation;
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glBlendEquationSeparate(updated.rgb_equation, updated.a_equation);
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}
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}
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void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) {
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const Blend& updated = blend[target];
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Blend& current = cur_state.blend[target];
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if (current.enabled != updated.enabled || force) {
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current.enabled = updated.enabled;
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Enable(GL_BLEND, static_cast<GLuint>(target), updated.enabled);
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}
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if (UpdateTie(std::tie(current.src_rgb_func, current.dst_rgb_func, current.src_a_func,
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current.dst_a_func),
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std::tie(updated.src_rgb_func, updated.dst_rgb_func, updated.src_a_func,
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updated.dst_a_func))) {
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glBlendFuncSeparatei(static_cast<GLuint>(target), updated.src_rgb_func,
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updated.dst_rgb_func, updated.src_a_func, updated.dst_a_func);
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}
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if (UpdateTie(std::tie(current.rgb_equation, current.a_equation),
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std::tie(updated.rgb_equation, updated.a_equation))) {
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glBlendEquationSeparatei(static_cast<GLuint>(target), updated.rgb_equation,
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updated.a_equation);
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}
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}
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void OpenGLState::ApplyBlending() {
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if (independant_blend.enabled) {
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const bool force = independant_blend.enabled != cur_state.independant_blend.enabled;
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for (std::size_t target = 0; target < Maxwell::NumRenderTargets; ++target) {
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ApplyTargetBlending(target, force);
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}
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} else {
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ApplyGlobalBlending();
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}
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cur_state.independant_blend.enabled = independant_blend.enabled;
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}
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void OpenGLState::ApplyRenderBuffer() {
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if (cur_state.renderbuffer != renderbuffer) {
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cur_state.renderbuffer = renderbuffer;
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@ -206,7 +146,6 @@ void OpenGLState::Apply() {
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ApplyFramebufferState();
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ApplyShaderProgram();
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ApplyProgramPipeline();
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ApplyBlending();
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ApplyTextures();
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ApplySamplers();
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ApplyImages();
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@ -13,21 +13,6 @@ namespace OpenGL {
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class OpenGLState {
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public:
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struct Blend {
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bool enabled = false; // GL_BLEND
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GLenum rgb_equation = GL_FUNC_ADD; // GL_BLEND_EQUATION_RGB
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GLenum a_equation = GL_FUNC_ADD; // GL_BLEND_EQUATION_ALPHA
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GLenum src_rgb_func = GL_ONE; // GL_BLEND_SRC_RGB
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GLenum dst_rgb_func = GL_ZERO; // GL_BLEND_DST_RGB
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GLenum src_a_func = GL_ONE; // GL_BLEND_SRC_ALPHA
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GLenum dst_a_func = GL_ZERO; // GL_BLEND_DST_ALPHA
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};
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std::array<Blend, Tegra::Engines::Maxwell3D::Regs::NumRenderTargets> blend;
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struct {
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bool enabled = false;
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} independant_blend;
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static constexpr std::size_t NumSamplers = 32 * 5;
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static constexpr std::size_t NumImages = 8 * 5;
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std::array<GLuint, NumSamplers> textures = {};
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@ -56,9 +41,6 @@ public:
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void ApplyFramebufferState();
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void ApplyShaderProgram();
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void ApplyProgramPipeline();
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void ApplyTargetBlending(std::size_t target, bool force);
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void ApplyGlobalBlending();
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void ApplyBlending();
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void ApplyTextures();
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void ApplySamplers();
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void ApplyImages();
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@ -537,8 +537,11 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
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glDisable(GL_FRAMEBUFFER_SRGB);
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}
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// TODO(Rodrigo): Find out if rasterizer discard affects blits
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// TODO(Rodrigo): Find out if blending affects blits
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// TODO(Rodrigo): Find out if clip control affects blits
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glDisable(GL_RASTERIZER_DISCARD);
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glDisablei(GL_SCISSOR_TEST, 0);
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glDisablei(GL_BLEND, 0);
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glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
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u32 buffers{};
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@ -582,6 +582,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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glDisable(GL_STENCIL_TEST);
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glDisable(GL_POLYGON_OFFSET_FILL);
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glDisable(GL_RASTERIZER_DISCARD);
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glDisablei(GL_BLEND, 0);
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glDisablei(GL_SCISSOR_TEST, 0);
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glCullFace(GL_BACK);
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glFrontFace(GL_CW);
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