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gl_state_tracker: Implement dirty flags for clip control
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4f8d152b18
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@ -460,7 +460,6 @@ void RasterizerOpenGL::Clear() {
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// TODO: Signal state tracker about these changes
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state_tracker.NotifyBlend0();
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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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@ -927,7 +926,23 @@ void RasterizerOpenGL::SyncViewport() {
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auto& flags = gpu.dirty.flags;
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const auto& regs = gpu.regs;
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if (flags[Dirty::Viewports]) {
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const bool dirty_viewport = flags[Dirty::Viewports];
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if (dirty_viewport || flags[Dirty::ClipControl]) {
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flags[Dirty::ClipControl] = false;
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bool flip_y = false;
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if (regs.viewport_transform[0].scale_y < 0.0) {
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flip_y = !flip_y;
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}
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if (regs.screen_y_control.y_negate != 0) {
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flip_y = !flip_y;
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}
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glClipControl(flip_y ? GL_UPPER_LEFT : GL_LOWER_LEFT,
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regs.depth_mode == Maxwell::DepthMode::ZeroToOne ? GL_ZERO_TO_ONE
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: GL_NEGATIVE_ONE_TO_ONE);
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}
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if (dirty_viewport) {
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flags[Dirty::Viewports] = false;
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const bool force = flags[Dirty::ViewportTransform];
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@ -948,17 +963,6 @@ void RasterizerOpenGL::SyncViewport() {
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static_cast<GLdouble>(src.depth_range_far));
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}
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}
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bool flip_y = false;
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if (regs.viewport_transform[0].scale_y < 0.0) {
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flip_y = !flip_y;
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}
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if (regs.screen_y_control.y_negate != 0) {
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flip_y = !flip_y;
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}
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glClipControl(flip_y ? GL_UPPER_LEFT : GL_LOWER_LEFT,
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regs.depth_mode == Maxwell::DepthMode::ZeroToOne ? GL_ZERO_TO_ONE
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: GL_NEGATIVE_ONE_TO_ONE);
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}
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void RasterizerOpenGL::SyncDepthClamp() {
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@ -211,6 +211,12 @@ void SetupDirtyPointSize(Tables& tables) {
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tables[0][OFF(point_sprite_enable)] = PointSize;
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}
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void SetupDirtyClipControl(Tables& tables) {
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auto& table = tables[0];
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table[OFF(screen_y_control)] = ClipControl;
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table[OFF(depth_mode)] = ClipControl;
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}
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void SetupDirtyMisc(Tables& tables) {
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auto& table = tables[0];
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@ -248,6 +254,7 @@ void StateTracker::Initialize() {
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SetupDirtyLogicOp(tables);
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SetupDirtyFragmentClampColor(tables);
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SetupDirtyPointSize(tables);
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SetupDirtyClipControl(tables);
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SetupDirtyMisc(tables);
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auto& store = dirty.on_write_stores;
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@ -71,6 +71,7 @@ enum : u8 {
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LogicOp,
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FragmentClampColor,
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PointSize,
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ClipControl,
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Last
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};
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@ -167,6 +168,11 @@ public:
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flags[OpenGL::Dirty::LogicOp] = true;
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}
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void NotifyClipControl() {
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auto& flags = system.GPU().Maxwell3D().dirty.flags;
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flags[OpenGL::Dirty::ClipControl] = true;
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}
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private:
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Core::System& system;
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};
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@ -532,11 +532,9 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
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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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glBindFramebuffer(GL_READ_FRAMEBUFFER, src_framebuffer.handle);
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glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_framebuffer.handle);
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@ -590,6 +590,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
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state_tracker.NotifyRasterizeEnable();
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state_tracker.NotifyFramebufferSRGB();
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state_tracker.NotifyLogicOp();
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state_tracker.NotifyClipControl();
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program_manager.UseVertexShader(vertex_program.handle);
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program_manager.UseGeometryShader(0);
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