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Try the buffer clearing optimization on mobile again. Let me know if this causes black screens that weren't there before.

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This commit is contained in:
Henrik Rydgard 2013-02-02 00:24:23 +01:00
parent ddd0ce4c18
commit 78906531f9
1 changed files with 6 additions and 5 deletions
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11
GPU/GLES/Framebuffer.cpp
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@ -295,11 +295,12 @@ void FramebufferManager::SetRenderFrameBuffer() {
fbo_bind_as_render_target(vfb->fbo);
#ifdef USING_GLES2
// Tiled renderers benefit IMMENSELY from clearing an FBO before rendering
// to it. Let's hope this doesn't break too many things...
// It did, will have to find a better solution like clearing only if this is
// the first time the buffer is bound on this frame.
// glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
// Some tiled mobile GPUs benefit IMMENSELY from clearing an FBO before rendering
// to it. This broke stuff before, so now it only clears on the first use of an
// FBO in a frame. This means that some games won't be able to avoid the on-some-GPUs
// performance-crushing framebuffer reloads from RAM, but we'll have to live with that.
if (vfb->last_frame_used != gpuStats.numFrames)
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
#endif
glstate.viewport.set(0, 0, PSP_CoreParameter().renderWidth, PSP_CoreParameter().renderHeight);
currentRenderVfb_ = vfb;