gl_state_tracker: Implement dirty flags for clip control

This commit is contained in:
ReinUsesLisp 2019-12-30 01:40:27 -03:00
parent 4f8d152b18
commit a42a6e1a2c
5 changed files with 31 additions and 15 deletions

View file

@ -460,7 +460,6 @@ void RasterizerOpenGL::Clear() {
// TODO: Signal state tracker about these changes
state_tracker.NotifyBlend0();
// TODO(Rodrigo): Find out if these changes affect clearing
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glDisablei(GL_BLEND, 0);
UNIMPLEMENTED_IF(regs.clear_flags.viewport);
@ -927,7 +926,23 @@ void RasterizerOpenGL::SyncViewport() {
auto& flags = gpu.dirty.flags;
const auto& regs = gpu.regs;
if (flags[Dirty::Viewports]) {
const bool dirty_viewport = flags[Dirty::Viewports];
if (dirty_viewport || flags[Dirty::ClipControl]) {
flags[Dirty::ClipControl] = false;
bool flip_y = false;
if (regs.viewport_transform[0].scale_y < 0.0) {
flip_y = !flip_y;
}
if (regs.screen_y_control.y_negate != 0) {
flip_y = !flip_y;
}
glClipControl(flip_y ? GL_UPPER_LEFT : GL_LOWER_LEFT,
regs.depth_mode == Maxwell::DepthMode::ZeroToOne ? GL_ZERO_TO_ONE
: GL_NEGATIVE_ONE_TO_ONE);
}
if (dirty_viewport) {
flags[Dirty::Viewports] = false;
const bool force = flags[Dirty::ViewportTransform];
@ -948,17 +963,6 @@ void RasterizerOpenGL::SyncViewport() {
static_cast<GLdouble>(src.depth_range_far));
}
}
bool flip_y = false;
if (regs.viewport_transform[0].scale_y < 0.0) {
flip_y = !flip_y;
}
if (regs.screen_y_control.y_negate != 0) {
flip_y = !flip_y;
}
glClipControl(flip_y ? GL_UPPER_LEFT : GL_LOWER_LEFT,
regs.depth_mode == Maxwell::DepthMode::ZeroToOne ? GL_ZERO_TO_ONE
: GL_NEGATIVE_ONE_TO_ONE);
}
void RasterizerOpenGL::SyncDepthClamp() {

View file

@ -211,6 +211,12 @@ void SetupDirtyPointSize(Tables& tables) {
tables[0][OFF(point_sprite_enable)] = PointSize;
}
void SetupDirtyClipControl(Tables& tables) {
auto& table = tables[0];
table[OFF(screen_y_control)] = ClipControl;
table[OFF(depth_mode)] = ClipControl;
}
void SetupDirtyMisc(Tables& tables) {
auto& table = tables[0];
@ -248,6 +254,7 @@ void StateTracker::Initialize() {
SetupDirtyLogicOp(tables);
SetupDirtyFragmentClampColor(tables);
SetupDirtyPointSize(tables);
SetupDirtyClipControl(tables);
SetupDirtyMisc(tables);
auto& store = dirty.on_write_stores;

View file

@ -71,6 +71,7 @@ enum : u8 {
LogicOp,
FragmentClampColor,
PointSize,
ClipControl,
Last
};
@ -167,6 +168,11 @@ public:
flags[OpenGL::Dirty::LogicOp] = true;
}
void NotifyClipControl() {
auto& flags = system.GPU().Maxwell3D().dirty.flags;
flags[OpenGL::Dirty::ClipControl] = true;
}
private:
Core::System& system;
};

View file

@ -532,11 +532,9 @@ void TextureCacheOpenGL::ImageBlit(View& src_view, View& dst_view,
}
// TODO(Rodrigo): Find out if rasterizer discard affects blits
// TODO(Rodrigo): Find out if blending affects blits
// TODO(Rodrigo): Find out if clip control affects blits
glDisable(GL_RASTERIZER_DISCARD);
glDisablei(GL_SCISSOR_TEST, 0);
glDisablei(GL_BLEND, 0);
glClipControl(GL_LOWER_LEFT, GL_ZERO_TO_ONE);
glBindFramebuffer(GL_READ_FRAMEBUFFER, src_framebuffer.handle);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, dst_framebuffer.handle);

View file

@ -590,6 +590,7 @@ void RendererOpenGL::DrawScreen(const Layout::FramebufferLayout& layout) {
state_tracker.NotifyRasterizeEnable();
state_tracker.NotifyFramebufferSRGB();
state_tracker.NotifyLogicOp();
state_tracker.NotifyClipControl();
program_manager.UseVertexShader(vertex_program.handle);
program_manager.UseGeometryShader(0);