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OGL: Clear backbuffer before presenting instead of at start of frame

This commit is contained in:
Stenzek 2018-01-26 16:22:22 +10:00
parent 456c2f42c3
commit 5baf3bbe2e
1 changed files with 8 additions and 13 deletions
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21
Source/Core/VideoBackends/OGL/Render.cpp
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@ -1331,21 +1331,23 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
// Skip screen rendering when running in headless mode. // Skip screen rendering when running in headless mode.
if (!IsHeadless()) if (!IsHeadless())
{ {
// Copy the framebuffer to screen. // Clear the framebuffer before drawing anything.
glBindFramebuffer(GL_FRAMEBUFFER, 0); glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Copy the framebuffer to screen.
BlitScreen(sourceRc, flipped_trc, xfb_texture->GetRawTexIdentifier(), BlitScreen(sourceRc, flipped_trc, xfb_texture->GetRawTexIdentifier(),
xfb_texture->GetConfig().width, xfb_texture->GetConfig().height); xfb_texture->GetConfig().width, xfb_texture->GetConfig().height);
// Finish up the current frame, print some stats // Render OSD messages.
glViewport(0, 0, m_backbuffer_width, m_backbuffer_height);
glEnable(GL_BLEND); glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
// Reset viewport for drawing text
glViewport(0, 0, GLInterface->GetBackBufferWidth(), GLInterface->GetBackBufferHeight());
DrawDebugText(); DrawDebugText();
OSD::DrawMessages(); OSD::DrawMessages();
// Copy the rendered frame to the real window. // Swap the back and front buffers, presenting the image.
GLInterface->Swap(); GLInterface->Swap();
} }
else else
@ -1415,13 +1417,6 @@ void Renderer::SwapImpl(AbstractTexture* texture, const EFBRectangle& xfb_region
BoundingBox::SetTargetSizeChanged(m_target_width, m_target_height); BoundingBox::SetTargetSizeChanged(m_target_width, m_target_height);
} }
// Clear framebuffer
if (!IsHeadless())
{
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
}
if (s_vsync != g_ActiveConfig.IsVSync()) if (s_vsync != g_ActiveConfig.IsVSync())
{ {
s_vsync = g_ActiveConfig.IsVSync(); s_vsync = g_ActiveConfig.IsVSync();