diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_manager.h | 1 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_state.cpp | 610 | ||||
| -rw-r--r-- | src/video_core/renderer_opengl/gl_state.h | 52 |
3 files changed, 324 insertions, 339 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_manager.h b/src/video_core/renderer_opengl/gl_shader_manager.h index 8eef2a920..37dcfefdb 100644 --- a/src/video_core/renderer_opengl/gl_shader_manager.h +++ b/src/video_core/renderer_opengl/gl_shader_manager.h @@ -62,7 +62,6 @@ public: UpdatePipeline(); state.draw.shader_program = 0; state.draw.program_pipeline = pipeline.handle; - state.geometry_shaders.enabled = (gs != 0); } private: diff --git a/src/video_core/renderer_opengl/gl_state.cpp b/src/video_core/renderer_opengl/gl_state.cpp index 9419326a3..52d569a1b 100644 --- a/src/video_core/renderer_opengl/gl_state.cpp +++ b/src/video_core/renderer_opengl/gl_state.cpp @@ -10,16 +10,62 @@ namespace OpenGL { -OpenGLState OpenGLState::cur_state; +using Maxwell = Tegra::Engines::Maxwell3D::Regs; +OpenGLState OpenGLState::cur_state; bool OpenGLState::s_rgb_used; +namespace { + +template <typename T> +bool UpdateValue(T& current_value, const T new_value) { + const bool changed = current_value != new_value; + current_value = new_value; + return changed; +} + +template <typename T1, typename T2> +bool UpdateTie(T1 current_value, const T2 new_value) { + const bool changed = current_value != new_value; + current_value = new_value; + return changed; +} + +void Enable(GLenum cap, bool enable) { + if (enable) { + glEnable(cap); + } else { + glDisable(cap); + } +} + +void Enable(GLenum cap, GLuint index, bool enable) { + if (enable) { + glEnablei(cap, index); + } else { + glDisablei(cap, index); + } +} + +void Enable(GLenum cap, bool& current_value, bool new_value) { + if (UpdateValue(current_value, new_value)) + Enable(cap, new_value); +} + +void Enable(GLenum cap, GLuint index, bool& current_value, bool new_value) { + if (UpdateValue(current_value, new_value)) + Enable(cap, index, new_value); +} + +} // namespace + OpenGLState::OpenGLState() { // These all match default OpenGL values - geometry_shaders.enabled = false; framebuffer_srgb.enabled = false; + multisample_control.alpha_to_coverage = false; multisample_control.alpha_to_one = false; + cull.enabled = false; cull.mode = GL_BACK; cull.front_face = GL_CCW; @@ -30,14 +76,15 @@ OpenGLState::OpenGLState() { primitive_restart.enabled = false; primitive_restart.index = 0; + 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) { + + const auto ResetStencil = [](auto& config) { config.test_func = GL_ALWAYS; config.test_ref = 0; config.test_mask = 0xFFFFFFFF; @@ -46,8 +93,10 @@ OpenGLState::OpenGLState() { config.action_depth_pass = GL_KEEP; config.action_stencil_fail = GL_KEEP; }; - reset_stencil(stencil.front); - reset_stencil(stencil.back); + stencil.test_enabled = false; + ResetStencil(stencil.front); + ResetStencil(stencil.back); + for (auto& item : viewports) { item.x = 0; item.y = 0; @@ -61,6 +110,7 @@ OpenGLState::OpenGLState() { item.scissor.width = 0; item.scissor.height = 0; } + for (auto& item : blend) { item.enabled = true; item.rgb_equation = GL_FUNC_ADD; @@ -70,11 +120,14 @@ OpenGLState::OpenGLState() { item.src_a_func = GL_ONE; item.dst_a_func = GL_ZERO; } + independant_blend.enabled = false; + blend_color.red = 0.0f; blend_color.green = 0.0f; blend_color.blue = 0.0f; blend_color.alpha = 0.0f; + logic_op.enabled = false; logic_op.operation = GL_COPY; @@ -91,9 +144,12 @@ OpenGLState::OpenGLState() { clip_distance = {}; point.size = 1; + fragment_color_clamp.enabled = false; + depth_clamp.far_plane = false; depth_clamp.near_plane = false; + polygon_offset.fill_enable = false; polygon_offset.line_enable = false; polygon_offset.point_enable = false; @@ -103,260 +159,255 @@ OpenGLState::OpenGLState() { } void OpenGLState::ApplyDefaultState() { + glEnable(GL_BLEND); glDisable(GL_FRAMEBUFFER_SRGB); glDisable(GL_CULL_FACE); glDisable(GL_DEPTH_TEST); glDisable(GL_PRIMITIVE_RESTART); glDisable(GL_STENCIL_TEST); - glEnable(GL_BLEND); glDisable(GL_COLOR_LOGIC_OP); glDisable(GL_SCISSOR_TEST); } +void OpenGLState::ApplyFramebufferState() const { + if (UpdateValue(cur_state.draw.read_framebuffer, draw.read_framebuffer)) { + glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer); + } + if (UpdateValue(cur_state.draw.draw_framebuffer, draw.draw_framebuffer)) { + glBindFramebuffer(GL_DRAW_FRAMEBUFFER, draw.draw_framebuffer); + } +} + +void OpenGLState::ApplyVertexArrayState() const { + if (UpdateValue(cur_state.draw.vertex_array, draw.vertex_array)) { + glBindVertexArray(draw.vertex_array); + } +} + +void OpenGLState::ApplyShaderProgram() const { + if (UpdateValue(cur_state.draw.shader_program, draw.shader_program)) { + glUseProgram(draw.shader_program); + } +} + +void OpenGLState::ApplyProgramPipeline() const { + if (UpdateValue(cur_state.draw.program_pipeline, draw.program_pipeline)) { + glBindProgramPipeline(draw.program_pipeline); + } +} + +void OpenGLState::ApplyClipDistances() const { + for (std::size_t i = 0; i < clip_distance.size(); ++i) { + Enable(GL_CLIP_DISTANCE0 + static_cast<GLenum>(i), cur_state.clip_distance[i], + clip_distance[i]); + } +} + +void OpenGLState::ApplyPointSize() const { + if (UpdateValue(cur_state.point.size, point.size)) { + glPointSize(point.size); + } +} + +void OpenGLState::ApplyFragmentColorClamp() const { + if (UpdateValue(cur_state.fragment_color_clamp.enabled, fragment_color_clamp.enabled)) { + glClampColor(GL_CLAMP_FRAGMENT_COLOR_ARB, + fragment_color_clamp.enabled ? GL_TRUE : GL_FALSE); + } +} + +void OpenGLState::ApplyMultisample() const { + Enable(GL_SAMPLE_ALPHA_TO_COVERAGE, cur_state.multisample_control.alpha_to_coverage, + multisample_control.alpha_to_coverage); + Enable(GL_SAMPLE_ALPHA_TO_ONE, cur_state.multisample_control.alpha_to_one, + multisample_control.alpha_to_one); +} + +void OpenGLState::ApplyDepthClamp() const { + if (depth_clamp.far_plane == cur_state.depth_clamp.far_plane && + depth_clamp.near_plane == cur_state.depth_clamp.near_plane) { + return; + } + cur_state.depth_clamp = depth_clamp; + + UNIMPLEMENTED_IF_MSG(depth_clamp.far_plane != depth_clamp.near_plane, + "Unimplemented Depth Clamp Separation!"); + + Enable(GL_DEPTH_CLAMP, depth_clamp.far_plane || depth_clamp.near_plane); +} + void OpenGLState::ApplySRgb() const { - if (framebuffer_srgb.enabled != cur_state.framebuffer_srgb.enabled) { - if (framebuffer_srgb.enabled) { - // Track if sRGB is used - s_rgb_used = true; - glEnable(GL_FRAMEBUFFER_SRGB); - } else { - glDisable(GL_FRAMEBUFFER_SRGB); - } + if (cur_state.framebuffer_srgb.enabled == framebuffer_srgb.enabled) + return; + cur_state.framebuffer_srgb.enabled = framebuffer_srgb.enabled; + if (framebuffer_srgb.enabled) { + // Track if sRGB is used + s_rgb_used = true; + glEnable(GL_FRAMEBUFFER_SRGB); + } else { + glDisable(GL_FRAMEBUFFER_SRGB); } } void OpenGLState::ApplyCulling() const { - if (cull.enabled != cur_state.cull.enabled) { - if (cull.enabled) { - glEnable(GL_CULL_FACE); - } else { - glDisable(GL_CULL_FACE); - } - } + Enable(GL_CULL_FACE, cur_state.cull.enabled, cull.enabled); - if (cull.mode != cur_state.cull.mode) { + if (UpdateValue(cur_state.cull.mode, cull.mode)) { glCullFace(cull.mode); } - if (cull.front_face != cur_state.cull.front_face) { + if (UpdateValue(cur_state.cull.front_face, cull.front_face)) { glFrontFace(cull.front_face); } } void OpenGLState::ApplyColorMask() const { - if (independant_blend.enabled) { - 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]; + for (std::size_t i = 0; i < Maxwell::NumRenderTargets; ++i) { + const auto& updated = color_mask[i]; + 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) { - glColorMask(updated.red_enabled, updated.green_enabled, updated.blue_enabled, - updated.alpha_enabled); + current = updated; + glColorMaski(static_cast<GLuint>(i), updated.red_enabled, updated.green_enabled, + updated.blue_enabled, updated.alpha_enabled); } } } void OpenGLState::ApplyDepth() const { - if (depth.test_enabled != cur_state.depth.test_enabled) { - if (depth.test_enabled) { - glEnable(GL_DEPTH_TEST); - } else { - glDisable(GL_DEPTH_TEST); - } - } + Enable(GL_DEPTH_TEST, cur_state.depth.test_enabled, depth.test_enabled); - if (depth.test_func != cur_state.depth.test_func) { + if (cur_state.depth.test_func != depth.test_func) { + cur_state.depth.test_func = depth.test_func; glDepthFunc(depth.test_func); } - if (depth.write_mask != cur_state.depth.write_mask) { + if (cur_state.depth.write_mask != depth.write_mask) { + cur_state.depth.write_mask = depth.write_mask; glDepthMask(depth.write_mask); } } void OpenGLState::ApplyPrimitiveRestart() const { - if (primitive_restart.enabled != cur_state.primitive_restart.enabled) { - if (primitive_restart.enabled) { - glEnable(GL_PRIMITIVE_RESTART); - } else { - glDisable(GL_PRIMITIVE_RESTART); - } - } + Enable(GL_PRIMITIVE_RESTART, cur_state.primitive_restart.enabled, primitive_restart.enabled); - if (primitive_restart.index != cur_state.primitive_restart.index) { + if (cur_state.primitive_restart.index != primitive_restart.index) { + cur_state.primitive_restart.index = primitive_restart.index; glPrimitiveRestartIndex(primitive_restart.index); } } void OpenGLState::ApplyStencilTest() const { - if (stencil.test_enabled != cur_state.stencil.test_enabled) { - if (stencil.test_enabled) { - glEnable(GL_STENCIL_TEST); - } else { - glDisable(GL_STENCIL_TEST); - } - } - - const auto ConfigStencil = [](GLenum face, const auto& config, const auto& prev_config) { - if (config.test_func != prev_config.test_func || config.test_ref != prev_config.test_ref || - config.test_mask != prev_config.test_mask) { + Enable(GL_STENCIL_TEST, cur_state.stencil.test_enabled, stencil.test_enabled); + + const auto ConfigStencil = [](GLenum face, const auto& config, auto& current) { + if (current.test_func != config.test_func || current.test_ref != config.test_ref || + current.test_mask != config.test_mask) { + current.test_func = config.test_func; + current.test_ref = config.test_ref; + current.test_mask = config.test_mask; glStencilFuncSeparate(face, config.test_func, config.test_ref, config.test_mask); } - if (config.action_depth_fail != prev_config.action_depth_fail || - config.action_depth_pass != prev_config.action_depth_pass || - config.action_stencil_fail != prev_config.action_stencil_fail) { + if (current.action_depth_fail != config.action_depth_fail || + current.action_depth_pass != config.action_depth_pass || + current.action_stencil_fail != config.action_stencil_fail) { + current.action_depth_fail = config.action_depth_fail; + current.action_depth_pass = config.action_depth_pass; + current.action_stencil_fail = config.action_stencil_fail; glStencilOpSeparate(face, config.action_stencil_fail, config.action_depth_fail, config.action_depth_pass); } - if (config.write_mask != prev_config.write_mask) { + if (current.write_mask != config.write_mask) { + current.write_mask = config.write_mask; glStencilMaskSeparate(face, config.write_mask); } }; ConfigStencil(GL_FRONT, stencil.front, cur_state.stencil.front); ConfigStencil(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 (geometry_shaders.enabled) { - for (GLuint i = 0; i < static_cast<GLuint>(Tegra::Engines::Maxwell3D::Regs::NumViewports); - i++) { - const auto& current = cur_state.viewports[i]; - const auto& updated = viewports[i]; - if (updated.x != current.x || updated.y != current.y || - updated.width != current.width || updated.height != current.height) { - glViewportIndexedf( - i, static_cast<GLfloat>(updated.x), static_cast<GLfloat>(updated.y), - static_cast<GLfloat>(updated.width), static_cast<GLfloat>(updated.height)); - } - if (updated.depth_range_near != current.depth_range_near || - updated.depth_range_far != current.depth_range_far) { - glDepthRangeIndexed(i, updated.depth_range_near, updated.depth_range_far); - } - - if (updated.scissor.enabled != current.scissor.enabled) { - if (updated.scissor.enabled) { - glEnablei(GL_SCISSOR_TEST, i); - } else { - glDisablei(GL_SCISSOR_TEST, i); - } - } - - if (updated.scissor.x != current.scissor.x || updated.scissor.y != current.scissor.y || - updated.scissor.width != current.scissor.width || - updated.scissor.height != current.scissor.height) { - glScissorIndexed(i, updated.scissor.x, updated.scissor.y, updated.scissor.width, - updated.scissor.height); - } - } - } else { - const auto& current = cur_state.viewports[0]; - const auto& updated = viewports[0]; - if (updated.x != current.x || updated.y != current.y || updated.width != current.width || - updated.height != current.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) { - glDepthRange(updated.depth_range_near, updated.depth_range_far); + for (GLuint i = 0; i < static_cast<GLuint>(Maxwell::NumViewports); ++i) { + const auto& updated = viewports[i]; + auto& current = cur_state.viewports[i]; + + if (current.x != updated.x || current.y != updated.y || current.width != updated.width || + current.height != updated.height) { + current.x = updated.x; + current.y = updated.y; + current.width = updated.width; + current.height = updated.height; + glViewportIndexedf(i, static_cast<GLfloat>(updated.x), static_cast<GLfloat>(updated.y), + static_cast<GLfloat>(updated.width), + static_cast<GLfloat>(updated.height)); } - - if (updated.scissor.enabled != current.scissor.enabled) { - if (updated.scissor.enabled) { - glEnable(GL_SCISSOR_TEST); - } else { - glDisable(GL_SCISSOR_TEST); - } + if (current.depth_range_near != updated.depth_range_near || + current.depth_range_far != updated.depth_range_far) { + current.depth_range_near = updated.depth_range_near; + current.depth_range_far = updated.depth_range_far; + glDepthRangeIndexed(i, updated.depth_range_near, updated.depth_range_far); } - if (updated.scissor.x != current.scissor.x || updated.scissor.y != current.scissor.y || - updated.scissor.width != current.scissor.width || - updated.scissor.height != current.scissor.height) { - glScissor(updated.scissor.x, updated.scissor.y, updated.scissor.width, - updated.scissor.height); + Enable(GL_SCISSOR_TEST, i, current.scissor.enabled, updated.scissor.enabled); + + if (current.scissor.x != updated.scissor.x || current.scissor.y != updated.scissor.y || + current.scissor.width != updated.scissor.width || + current.scissor.height != updated.scissor.height) { + current.scissor.x = updated.scissor.x; + current.scissor.y = updated.scissor.y; + current.scissor.width = updated.scissor.width; + current.scissor.height = updated.scissor.height; + glScissorIndexed(i, updated.scissor.x, updated.scissor.y, updated.scissor.width, + updated.scissor.height); } } } void OpenGLState::ApplyGlobalBlending() const { - const Blend& current = cur_state.blend[0]; const Blend& updated = blend[0]; - if (updated.enabled != current.enabled) { - if (updated.enabled) { - glEnable(GL_BLEND); - } else { - glDisable(GL_BLEND); - } - } - if (!updated.enabled) { - return; - } - if (updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func || - updated.dst_a_func != current.dst_a_func) { + 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 (updated.rgb_equation != current.rgb_equation || updated.a_equation != current.a_equation) { + 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 { const Blend& updated = blend[target]; - const Blend& current = cur_state.blend[target]; - if (updated.enabled != current.enabled || force) { - if (updated.enabled) { - glEnablei(GL_BLEND, static_cast<GLuint>(target)); - } else { - glDisablei(GL_BLEND, static_cast<GLuint>(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 (updated.src_rgb_func != current.src_rgb_func || - updated.dst_rgb_func != current.dst_rgb_func || updated.src_a_func != current.src_a_func || - updated.dst_a_func != current.dst_a_func) { + 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 (updated.rgb_equation != current.rgb_equation || updated.a_equation != current.a_equation) { + 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); } @@ -364,77 +415,48 @@ void OpenGLState::ApplyTargetBlending(std::size_t target, bool force) const { void OpenGLState::ApplyBlending() const { if (independant_blend.enabled) { - for (size_t i = 0; i < Tegra::Engines::Maxwell3D::Regs::NumRenderTargets; i++) { - ApplyTargetBlending(i, - independant_blend.enabled != cur_state.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(); } - if (blend_color.red != cur_state.blend_color.red || - blend_color.green != cur_state.blend_color.green || - blend_color.blue != cur_state.blend_color.blue || - blend_color.alpha != cur_state.blend_color.alpha) { + cur_state.independant_blend.enabled = independant_blend.enabled; + + if (UpdateTie( + std::tie(cur_state.blend_color.red, cur_state.blend_color.green, + cur_state.blend_color.blue, cur_state.blend_color.alpha), + std::tie(blend_color.red, blend_color.green, blend_color.blue, blend_color.alpha))) { glBlendColor(blend_color.red, blend_color.green, blend_color.blue, blend_color.alpha); } } void OpenGLState::ApplyLogicOp() const { - if (logic_op.enabled != cur_state.logic_op.enabled) { - if (logic_op.enabled) { - glEnable(GL_COLOR_LOGIC_OP); - } else { - glDisable(GL_COLOR_LOGIC_OP); - } - } + Enable(GL_COLOR_LOGIC_OP, cur_state.logic_op.enabled, logic_op.enabled); - if (logic_op.operation != cur_state.logic_op.operation) { + if (UpdateValue(cur_state.logic_op.operation, logic_op.operation)) { glLogicOp(logic_op.operation); } } void OpenGLState::ApplyPolygonOffset() const { - const bool fill_enable_changed = - polygon_offset.fill_enable != cur_state.polygon_offset.fill_enable; - const bool line_enable_changed = - polygon_offset.line_enable != cur_state.polygon_offset.line_enable; - const bool point_enable_changed = - polygon_offset.point_enable != cur_state.polygon_offset.point_enable; - const bool factor_changed = polygon_offset.factor != cur_state.polygon_offset.factor; - const bool units_changed = polygon_offset.units != cur_state.polygon_offset.units; - const bool clamp_changed = polygon_offset.clamp != cur_state.polygon_offset.clamp; - - if (fill_enable_changed) { - if (polygon_offset.fill_enable) { - glEnable(GL_POLYGON_OFFSET_FILL); - } else { - glDisable(GL_POLYGON_OFFSET_FILL); - } - } - - if (line_enable_changed) { - if (polygon_offset.line_enable) { - glEnable(GL_POLYGON_OFFSET_LINE); - } else { - glDisable(GL_POLYGON_OFFSET_LINE); - } - } - - if (point_enable_changed) { - if (polygon_offset.point_enable) { - glEnable(GL_POLYGON_OFFSET_POINT); - } else { - glDisable(GL_POLYGON_OFFSET_POINT); - } - } - - if (factor_changed || units_changed || clamp_changed) { + Enable(GL_POLYGON_OFFSET_FILL, cur_state.polygon_offset.fill_enable, + polygon_offset.fill_enable); + Enable(GL_POLYGON_OFFSET_LINE, cur_state.polygon_offset.line_enable, + polygon_offset.line_enable); + Enable(GL_POLYGON_OFFSET_POINT, cur_state.polygon_offset.point_enable, + polygon_offset.point_enable); + + if (UpdateTie(std::tie(cur_state.polygon_offset.factor, cur_state.polygon_offset.units, + cur_state.polygon_offset.clamp), + std::tie(polygon_offset.factor, polygon_offset.units, polygon_offset.clamp))) { if (GLAD_GL_EXT_polygon_offset_clamp && polygon_offset.clamp != 0) { glPolygonOffsetClamp(polygon_offset.factor, polygon_offset.units, polygon_offset.clamp); } else { - glPolygonOffset(polygon_offset.factor, polygon_offset.units); UNIMPLEMENTED_IF_MSG(polygon_offset.clamp != 0, "Unimplemented Depth polygon offset clamp."); + glPolygonOffset(polygon_offset.factor, polygon_offset.units); } } } @@ -443,22 +465,21 @@ void OpenGLState::ApplyTextures() const { bool has_delta{}; std::size_t first{}; std::size_t last{}; - std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> textures; + std::array<GLuint, Maxwell::NumTextureSamplers> textures; for (std::size_t i = 0; i < std::size(texture_units); ++i) { const auto& texture_unit = texture_units[i]; - const auto& cur_state_texture_unit = cur_state.texture_units[i]; + auto& cur_state_texture_unit = cur_state.texture_units[i]; textures[i] = texture_unit.texture; - - if (textures[i] != cur_state_texture_unit.texture) { - if (!has_delta) { - first = i; - has_delta = true; - } - last = i; + if (cur_state_texture_unit.texture == textures[i]) + continue; + cur_state_texture_unit.texture = textures[i]; + if (!has_delta) { + first = i; + has_delta = true; } + last = i; } - if (has_delta) { glBindTextures(static_cast<GLuint>(first), static_cast<GLsizei>(last - first + 1), textures.data() + first); @@ -469,16 +490,18 @@ void OpenGLState::ApplySamplers() const { bool has_delta{}; std::size_t first{}; std::size_t last{}; - std::array<GLuint, Tegra::Engines::Maxwell3D::Regs::NumTextureSamplers> samplers; + std::array<GLuint, Maxwell::NumTextureSamplers> samplers; + for (std::size_t i = 0; i < std::size(samplers); ++i) { + if (cur_state.texture_units[i].sampler == texture_units[i].sampler) + continue; + cur_state.texture_units[i].sampler = texture_units[i].sampler; samplers[i] = texture_units[i].sampler; - if (samplers[i] != cur_state.texture_units[i].sampler) { - if (!has_delta) { - first = i; - has_delta = true; - } - last = i; + if (!has_delta) { + first = i; + has_delta = true; } + last = i; } if (has_delta) { glBindSamplers(static_cast<GLuint>(first), static_cast<GLsizei>(last - first + 1), @@ -486,81 +509,15 @@ void OpenGLState::ApplySamplers() const { } } -void OpenGLState::ApplyFramebufferState() const { - if (draw.read_framebuffer != cur_state.draw.read_framebuffer) { - glBindFramebuffer(GL_READ_FRAMEBUFFER, draw.read_framebuffer); - } - if (draw.draw_framebuffer != cur_state.draw.draw_framebuffer) { - glBindFramebuffer(GL_DRAW_FRAMEBUFFER, draw.draw_framebuffer); - } -} - -void OpenGLState::ApplyVertexArrayState() const { - if (draw.vertex_array != cur_state.draw.vertex_array) { - glBindVertexArray(draw.vertex_array); - } -} - -void OpenGLState::ApplyDepthClamp() const { - if (depth_clamp.far_plane == cur_state.depth_clamp.far_plane && - depth_clamp.near_plane == cur_state.depth_clamp.near_plane) { - return; - } - UNIMPLEMENTED_IF_MSG(depth_clamp.far_plane != depth_clamp.near_plane, - "Unimplemented Depth Clamp Separation!"); - - if (depth_clamp.far_plane || depth_clamp.near_plane) { - glEnable(GL_DEPTH_CLAMP); - } else { - glDisable(GL_DEPTH_CLAMP); - } -} - void OpenGLState::Apply() const { ApplyFramebufferState(); ApplyVertexArrayState(); - - // Shader program - if (draw.shader_program != cur_state.draw.shader_program) { - glUseProgram(draw.shader_program); - } - - // Program pipeline - if (draw.program_pipeline != cur_state.draw.program_pipeline) { - glBindProgramPipeline(draw.program_pipeline); - } - // Clip distance - for (std::size_t i = 0; i < clip_distance.size(); ++i) { - if (clip_distance[i] != cur_state.clip_distance[i]) { - if (clip_distance[i]) { - glEnable(GL_CLIP_DISTANCE0 + static_cast<GLenum>(i)); - } else { - glDisable(GL_CLIP_DISTANCE0 + static_cast<GLenum>(i)); - } - } - } - // Point - if (point.size != cur_state.point.size) { - glPointSize(point.size); - } - if (fragment_color_clamp.enabled != cur_state.fragment_color_clamp.enabled) { - glClampColor(GL_CLAMP_FRAGMENT_COLOR_ARB, - fragment_color_clamp.enabled ? GL_TRUE : GL_FALSE); - } - if (multisample_control.alpha_to_coverage != cur_state.multisample_control.alpha_to_coverage) { - if (multisample_control.alpha_to_coverage) { - glEnable(GL_SAMPLE_ALPHA_TO_COVERAGE); - } else { - glDisable(GL_SAMPLE_ALPHA_TO_COVERAGE); - } - } - if (multisample_control.alpha_to_one != cur_state.multisample_control.alpha_to_one) { - if (multisample_control.alpha_to_one) { - glEnable(GL_SAMPLE_ALPHA_TO_ONE); - } else { - glDisable(GL_SAMPLE_ALPHA_TO_ONE); - } - } + ApplyShaderProgram(); + ApplyProgramPipeline(); + ApplyClipDistances(); + ApplyPointSize(); + ApplyFragmentColorClamp(); + ApplyMultisample(); ApplyDepthClamp(); ApplyColorMask(); ApplyViewport(); @@ -574,7 +531,28 @@ void OpenGLState::Apply() const { ApplyTextures(); ApplySamplers(); ApplyPolygonOffset(); - cur_state = *this; +} + +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; + } } OpenGLState& OpenGLState::UnbindTexture(GLuint handle) { diff --git a/src/video_core/renderer_opengl/gl_state.h b/src/video_core/renderer_opengl/gl_state.h index 9e1eda5b1..41418a7b8 100644 --- a/src/video_core/renderer_opengl/gl_state.h +++ b/src/video_core/renderer_opengl/gl_state.h @@ -54,10 +54,6 @@ public: } depth_clamp; // GL_DEPTH_CLAMP struct { - bool enabled; // viewports arrays are only supported when geometry shaders are enabled. - } geometry_shaders; - - struct { bool enabled; // GL_CULL_FACE GLenum mode; // GL_CULL_FACE_MODE GLenum front_face; // GL_FRONT_FACE @@ -184,34 +180,26 @@ public: static OpenGLState GetCurState() { return cur_state; } + static bool GetsRGBUsed() { return s_rgb_used; } + static void ClearsRGBUsed() { s_rgb_used = false; } + /// Apply this state as the current OpenGL state void Apply() const; - /// Apply only the state affecting the framebuffer + void ApplyFramebufferState() const; - /// Apply only the state affecting the vertex array void ApplyVertexArrayState() const; - /// Set the initial OpenGL state - static void ApplyDefaultState(); - /// Resets any references to the given resource - OpenGLState& UnbindTexture(GLuint handle); - OpenGLState& ResetSampler(GLuint handle); - OpenGLState& ResetProgram(GLuint handle); - OpenGLState& ResetPipeline(GLuint handle); - OpenGLState& ResetVertexArray(GLuint handle); - OpenGLState& ResetFramebuffer(GLuint handle); - void EmulateViewportWithScissor(); - -private: - static OpenGLState cur_state; - // Workaround for sRGB problems caused by - // QT not supporting srgb output - static bool s_rgb_used; + void ApplyShaderProgram() const; + void ApplyProgramPipeline() const; + void ApplyClipDistances() const; + void ApplyPointSize() const; + void ApplyFragmentColorClamp() const; + void ApplyMultisample() const; void ApplySRgb() const; void ApplyCulling() const; void ApplyColorMask() const; @@ -227,6 +215,26 @@ private: void ApplySamplers() const; void ApplyDepthClamp() const; void ApplyPolygonOffset() const; + + /// Set the initial OpenGL state + static void ApplyDefaultState(); + + /// Resets any references to the given resource + OpenGLState& UnbindTexture(GLuint handle); + OpenGLState& ResetSampler(GLuint handle); + OpenGLState& ResetProgram(GLuint handle); + OpenGLState& ResetPipeline(GLuint handle); + OpenGLState& ResetVertexArray(GLuint handle); + OpenGLState& ResetFramebuffer(GLuint handle); + + /// Viewport does not affects glClearBuffer so emulate viewport using scissor test + void EmulateViewportWithScissor(); + +private: + static OpenGLState cur_state; + + // Workaround for sRGB problems caused by QT not supporting srgb output + static bool s_rgb_used; }; } // namespace OpenGL |