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GPU: Always enable the depth write when clearing the depth buffer.

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The GPU ignores that register when clearing, but OpenGL obeys the glDepthMask parameter, so we set the depth mask to GL_TRUE when clearing the depth buffer. It will be restored to the correct value automatically on the next draw call.
This commit is contained in:
Subv 2018-07-14 00:52:23 -05:00
parent 9fc0d1d701
commit b37354cca8
1 changed files with 8 additions and 3 deletions
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11
src/video_core/renderer_opengl/gl_rasterizer.cpp
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@ -322,9 +322,6 @@ std::pair<Surface, Surface> RasterizerOpenGL::ConfigureFramebuffers(bool using_c
bool using_depth_fb) {
const auto& regs = Core::System().GetInstance().GPU().Maxwell3D().regs;
// Sync the depth test state before configuring the framebuffer surfaces.
SyncDepthTestState();
// TODO(bunnei): Implement this
const bool has_stencil = false;
@ -389,6 +386,13 @@ void RasterizerOpenGL::Clear() {
if (regs.clear_buffers.Z) {
clear_mask |= GL_DEPTH_BUFFER_BIT;
use_depth_fb = true;
// Always enable the depth write when clearing the depth buffer. The depth write mask is
// ignored when clearing the buffer in the Switch, but OpenGL obeys it so we set it to true.
state.depth.test_enabled = true;
state.depth.write_mask = GL_TRUE;
state.depth.test_func = GL_ALWAYS;
state.Apply();
}
if (clear_mask == 0)
@ -423,6 +427,7 @@ void RasterizerOpenGL::DrawArrays() {
auto [dirty_color_surface, dirty_depth_surface] =
ConfigureFramebuffers(true, regs.zeta.Address() != 0);
SyncDepthTestState();
SyncBlendState();
SyncCullMode();