diff --git a/src/video_core/engines/maxwell_3d.h b/src/video_core/engines/maxwell_3d.h index eff6abd55e..4f137e6938 100644 --- a/src/video_core/engines/maxwell_3d.h +++ b/src/video_core/engines/maxwell_3d.h @@ -631,7 +631,16 @@ public: } } zeta; - INSERT_PADDING_WORDS(0x5B); + INSERT_PADDING_WORDS(0x41); + + union { + BitField<0, 4, u32> stencil; + BitField<4, 4, u32> unknown; + BitField<8, 4, u32> scissor; + BitField<12, 4, u32> viewport; + } clear_flags; + + INSERT_PADDING_WORDS(0x19); std::array vertex_attrib_format; @@ -1134,6 +1143,7 @@ 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(clear_flags, 0x43E); ASSERT_REG_POSITION(vertex_attrib_format, 0x458); ASSERT_REG_POSITION(rt_control, 0x487); ASSERT_REG_POSITION(zeta_width, 0x48a); diff --git a/src/video_core/renderer_opengl/gl_rasterizer.cpp b/src/video_core/renderer_opengl/gl_rasterizer.cpp index ae6aaee4c3..714330e806 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.cpp +++ b/src/video_core/renderer_opengl/gl_rasterizer.cpp @@ -542,6 +542,30 @@ void RasterizerOpenGL::Clear() { ASSERT_MSG(regs.zeta_enable != 0, "Tried to clear stencil but buffer is not enabled!"); use_stencil = true; clear_state.stencil.test_enabled = true; + if (regs.clear_flags.stencil) { + // Stencil affects the clear so fill it with the used masks + clear_state.stencil.front.test_func = GL_ALWAYS; + clear_state.stencil.front.test_mask = regs.stencil_front_func_mask; + clear_state.stencil.front.action_stencil_fail = GL_KEEP; + clear_state.stencil.front.action_depth_fail = GL_KEEP; + clear_state.stencil.front.action_depth_pass = GL_KEEP; + clear_state.stencil.front.write_mask = regs.stencil_front_mask; + if (regs.stencil_two_side_enable) { + clear_state.stencil.back.test_func = GL_ALWAYS; + clear_state.stencil.back.test_mask = regs.stencil_back_func_mask; + clear_state.stencil.back.action_stencil_fail = GL_KEEP; + clear_state.stencil.back.action_depth_fail = GL_KEEP; + clear_state.stencil.back.action_depth_pass = GL_KEEP; + clear_state.stencil.back.write_mask = regs.stencil_back_mask; + } else { + clear_state.stencil.back.test_func = GL_ALWAYS; + clear_state.stencil.back.test_mask = 0xFFFFFFFF; + clear_state.stencil.back.write_mask = 0xFFFFFFFF; + clear_state.stencil.back.action_stencil_fail = GL_KEEP; + clear_state.stencil.back.action_depth_fail = GL_KEEP; + clear_state.stencil.back.action_depth_pass = GL_KEEP; + } + } } if (!use_color && !use_depth && !use_stencil) { @@ -553,6 +577,14 @@ void RasterizerOpenGL::Clear() { ConfigureFramebuffers(clear_state, use_color, use_depth || use_stencil, false, regs.clear_buffers.RT.Value()); + if (regs.clear_flags.scissor) { + SyncScissorTest(clear_state); + } + + if (regs.clear_flags.viewport) { + clear_state.EmulateViewportWithScissor(); + } + clear_state.Apply(); if (use_color) { @@ -588,7 +620,7 @@ void RasterizerOpenGL::DrawArrays() { SyncLogicOpState(); SyncCullMode(); SyncPrimitiveRestart(); - SyncScissorTest(); + SyncScissorTest(state); // Alpha Testing is synced on shaders. SyncTransformFeedback(); SyncPointState(); @@ -815,7 +847,7 @@ void RasterizerOpenGL::SamplerInfo::SyncWithConfig(const Tegra::Texture::TSCEntr } const u32 bias = config.mip_lod_bias.Value(); // Sign extend the 13-bit value. - const u32 mask = 1U << (13 - 1); + constexpr u32 mask = 1U << (13 - 1); const float bias_lod = static_cast((bias ^ mask) - mask) / 256.f; if (lod_bias != bias_lod) { lod_bias = bias_lod; @@ -947,8 +979,8 @@ void RasterizerOpenGL::SyncViewport(OpenGLState& current_state) { auto& viewport = current_state.viewports[i]; viewport.x = viewport_rect.left; viewport.y = viewport_rect.bottom; - viewport.width = static_cast(viewport_rect.GetWidth()); - viewport.height = static_cast(viewport_rect.GetHeight()); + viewport.width = viewport_rect.GetWidth(); + viewport.height = viewport_rect.GetHeight(); viewport.depth_range_far = regs.viewports[i].depth_range_far; viewport.depth_range_near = regs.viewports[i].depth_range_near; } @@ -1120,11 +1152,11 @@ void RasterizerOpenGL::SyncLogicOpState() { state.logic_op.operation = MaxwellToGL::LogicOp(regs.logic_op.operation); } -void RasterizerOpenGL::SyncScissorTest() { +void RasterizerOpenGL::SyncScissorTest(OpenGLState& current_state) { const auto& regs = Core::System::GetInstance().GPU().Maxwell3D().regs; for (std::size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumViewports; i++) { const auto& src = regs.scissor_test[i]; - auto& dst = state.viewports[i].scissor; + auto& dst = current_state.viewports[i].scissor; dst.enabled = (src.enable != 0); if (dst.enabled == 0) { return; diff --git a/src/video_core/renderer_opengl/gl_rasterizer.h b/src/video_core/renderer_opengl/gl_rasterizer.h index 6e78ab4cd8..d3192c47df 100644 --- a/src/video_core/renderer_opengl/gl_rasterizer.h +++ b/src/video_core/renderer_opengl/gl_rasterizer.h @@ -91,19 +91,20 @@ private: void SyncWithConfig(const Tegra::Texture::TSCEntry& info); private: - Tegra::Texture::TextureFilter mag_filter; - Tegra::Texture::TextureFilter min_filter; - Tegra::Texture::TextureMipmapFilter mip_filter; - Tegra::Texture::WrapMode wrap_u; - Tegra::Texture::WrapMode wrap_v; - Tegra::Texture::WrapMode wrap_p; - bool uses_depth_compare; - Tegra::Texture::DepthCompareFunc depth_compare_func; - GLvec4 border_color; - float min_lod; - float max_lod; - float lod_bias; - float max_anisotropic; + Tegra::Texture::TextureFilter mag_filter = Tegra::Texture::TextureFilter::Nearest; + Tegra::Texture::TextureFilter min_filter = Tegra::Texture::TextureFilter::Nearest; + Tegra::Texture::TextureMipmapFilter mip_filter = Tegra::Texture::TextureMipmapFilter::None; + Tegra::Texture::WrapMode wrap_u = Tegra::Texture::WrapMode::ClampToEdge; + Tegra::Texture::WrapMode wrap_v = Tegra::Texture::WrapMode::ClampToEdge; + Tegra::Texture::WrapMode wrap_p = Tegra::Texture::WrapMode::ClampToEdge; + bool uses_depth_compare = false; + Tegra::Texture::DepthCompareFunc depth_compare_func = + Tegra::Texture::DepthCompareFunc::Always; + GLvec4 border_color = {}; + float min_lod = 0.0f; + float max_lod = 16.0f; + float lod_bias = 0.0f; + float max_anisotropic = 1.0f; }; /** @@ -171,7 +172,7 @@ private: void SyncMultiSampleState(); /// Syncs the scissor test state to match the guest state - void SyncScissorTest(); + void SyncScissorTest(OpenGLState& current_state); /// Syncs the transform feedback state to match the guest state void SyncTransformFeedback(); diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index d9910c6e83..41beb176d5 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -233,6 +233,28 @@ void OpenGLState::ApplyStencilTest() const { config_stencil(GL_BACK, stencil.back, cur_state.stencil.back); } } +// Viewport does not affects glClearBuffer so emulate viewport using scissor test +void OpenGLState::EmulateViewportWithScissor() { + auto& current = viewports[0]; + if (current.scissor.enabled) { + const GLint left = std::max(current.x, current.scissor.x); + const GLint right = + std::max(current.x + current.width, current.scissor.x + current.scissor.width); + const GLint bottom = std::max(current.y, current.scissor.y); + const GLint top = + std::max(current.y + current.height, current.scissor.y + current.scissor.height); + current.scissor.x = std::max(left, 0); + current.scissor.y = std::max(bottom, 0); + current.scissor.width = std::max(right - left, 0); + current.scissor.height = std::max(top - bottom, 0); + } else { + current.scissor.enabled = true; + current.scissor.x = current.x; + current.scissor.y = current.y; + current.scissor.width = current.width; + current.scissor.height = current.height; + } +} void OpenGLState::ApplyViewport() const { if (GLAD_GL_ARB_viewport_array && geometry_shaders.enabled) { @@ -242,7 +264,9 @@ void OpenGLState::ApplyViewport() const { const auto& updated = viewports[i]; if (updated.x != current.x || updated.y != current.y || updated.width != current.width || updated.height != current.height) { - glViewportIndexedf(i, updated.x, updated.y, updated.width, updated.height); + glViewportIndexedf( + i, static_cast(updated.x), static_cast(updated.y), + static_cast(updated.width), static_cast(updated.height)); } if (updated.depth_range_near != current.depth_range_near || updated.depth_range_far != current.depth_range_far) { @@ -270,8 +294,7 @@ void OpenGLState::ApplyViewport() const { const auto& updated = viewports[0]; if (updated.x != current.x || updated.y != current.y || updated.width != current.width || updated.height != current.height) { - glViewport(static_cast(updated.x), static_cast(updated.y), - static_cast(updated.width), static_cast(updated.height)); + glViewport(updated.x, updated.y, updated.width, updated.height); } if (updated.depth_range_near != current.depth_range_near || updated.depth_range_far != current.depth_range_far) { diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index bdc743b0f0..032fc43f0d 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -156,10 +156,10 @@ public: } draw; struct viewport { - GLfloat x; - GLfloat y; - GLfloat width; - GLfloat height; + GLint x; + GLint y; + GLint width; + GLint height; GLfloat depth_range_near; // GL_DEPTH_RANGE GLfloat depth_range_far; // GL_DEPTH_RANGE struct { @@ -206,6 +206,7 @@ public: OpenGLState& ResetBuffer(GLuint handle); OpenGLState& ResetVertexArray(GLuint handle); OpenGLState& ResetFramebuffer(GLuint handle); + void EmulateViewportWithScissor(); private: static OpenGLState cur_state;