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gl_rasterizer: Workaround invalid zeta clears
Some games (like Xenoblade Chronicles 2) clear both depth and stencil buffers while there's a depth-only texture attached (e.g. D16 Unorm). This commit reads the zeta format of the bound surface on ConfigureFramebuffers and returns if depth and/or stencil attachments were set. This is ignored on DrawArrays but on Clear it's used to just clear those attachments, bypassing an OpenGL error.
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2561a79c39
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@ -486,9 +486,9 @@ void RasterizerOpenGL::UpdatePagesCachedCount(VAddr addr, u64 size, int delta) {
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cached_pages.add({pages_interval, delta});
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}
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void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool using_color_fb,
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bool using_depth_fb, bool preserve_contents,
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std::optional<std::size_t> single_color_target) {
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std::pair<bool, bool> RasterizerOpenGL::ConfigureFramebuffers(
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OpenGLState& current_state, bool using_color_fb, bool using_depth_fb, bool preserve_contents,
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std::optional<std::size_t> single_color_target) {
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MICROPROFILE_SCOPE(OpenGL_Framebuffer);
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const auto& gpu = Core::System::GetInstance().GPU().Maxwell3D();
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const auto& regs = gpu.regs;
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@ -500,7 +500,7 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
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// Only skip if the previous ConfigureFramebuffers call was from the same kind (multiple or
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// single color targets). This is done because the guest registers may not change but the
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// host framebuffer may contain different attachments
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return;
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return current_depth_stencil_usage;
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}
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current_framebuffer_config_state = fb_config_state;
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@ -570,12 +570,14 @@ void RasterizerOpenGL::ConfigureFramebuffers(OpenGLState& current_state, bool us
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depth_surface->MarkAsModified(true, res_cache);
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fbkey.zeta = depth_surface->Texture().handle;
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fbkey.stencil_enable = regs.stencil_enable;
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fbkey.stencil_enable = regs.stencil_enable &&
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depth_surface->GetSurfaceParams().type == SurfaceType::DepthStencil;
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}
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SetupCachedFramebuffer(fbkey, current_state);
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SyncViewport(current_state);
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return current_depth_stencil_usage = {static_cast<bool>(depth_surface), fbkey.stencil_enable};
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}
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void RasterizerOpenGL::Clear() {
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@ -643,8 +645,8 @@ void RasterizerOpenGL::Clear() {
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return;
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}
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ConfigureFramebuffers(clear_state, use_color, use_depth || use_stencil, false,
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regs.clear_buffers.RT.Value());
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const auto [clear_depth, clear_stencil] = ConfigureFramebuffers(
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clear_state, use_color, use_depth || use_stencil, false, regs.clear_buffers.RT.Value());
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if (regs.clear_flags.scissor) {
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SyncScissorTest(clear_state);
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}
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@ -659,11 +661,11 @@ void RasterizerOpenGL::Clear() {
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glClearBufferfv(GL_COLOR, regs.clear_buffers.RT, regs.clear_color);
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}
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if (use_depth && use_stencil) {
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if (clear_depth && clear_stencil) {
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glClearBufferfi(GL_DEPTH_STENCIL, 0, regs.clear_depth, regs.clear_stencil);
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} else if (use_depth) {
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} else if (clear_depth) {
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glClearBufferfv(GL_DEPTH, 0, ®s.clear_depth);
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} else if (use_stencil) {
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} else if (clear_stencil) {
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glClearBufferiv(GL_STENCIL, 0, ®s.clear_stencil);
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}
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}
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@ -122,10 +122,12 @@ private:
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* @param using_depth_fb If true, configure the depth/stencil framebuffer.
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* @param preserve_contents If true, tries to preserve data from a previously used framebuffer.
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* @param single_color_target Specifies if a single color buffer target should be used.
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* @returns If depth (first) or stencil (second) are being stored in the bound zeta texture
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* (requires using_depth_fb to be true)
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*/
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void ConfigureFramebuffers(OpenGLState& current_state, bool use_color_fb = true,
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bool using_depth_fb = true, bool preserve_contents = true,
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std::optional<std::size_t> single_color_target = {});
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std::pair<bool, bool> ConfigureFramebuffers(
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OpenGLState& current_state, bool use_color_fb = true, bool using_depth_fb = true,
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bool preserve_contents = true, std::optional<std::size_t> single_color_target = {});
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/**
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* Configures the current constbuffers to use for the draw command.
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@ -221,6 +223,7 @@ private:
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std::map<FramebufferCacheKey, OGLFramebuffer> framebuffer_cache;
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FramebufferConfigState current_framebuffer_config_state;
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std::pair<bool, bool> current_depth_stencil_usage{};
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std::array<SamplerInfo, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> texture_samplers;
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