diff options
| author |  commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-03-28 16:08:05 +0000 |
|---|---|---|
| committer | commit-bot@chromium.org <commit-bot@chromium.org@2bbb7eff-a529-9590-31e7-b0007b416f81> | 2014-03-28 16:08:05 +0000 |
| commit | 28361fad1054d59ed4e6a320c7a8b8782a1487c7 (patch) | |
| tree | 77f1c92c7524c79802157e152429b14cf1e81d06 /src/gpu/gl/GrGpuGL.cpp | |
| parent | ba0c5ea90d0e6b2e8b20696e54fea13ead6dda93 (diff) | |
Add discard API to SkCanvas, plumb it to glDiscardFramebuffer()
BUG=skia:2349
R=robertphillips@google.com, reed@google.com
Author: bsalomon@google.com
Review URL: https://codereview.chromium.org/211683002
git-svn-id: http://skia.googlecode.com/svn/trunk@13976 2bbb7eff-a529-9590-31e7-b0007b416f81
Diffstat (limited to 'src/gpu/gl/GrGpuGL.cpp')
| -rw-r--r-- | src/gpu/gl/GrGpuGL.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/gpu/gl/GrGpuGL.cpp b/src/gpu/gl/GrGpuGL.cpp index dc2ef7d84e..78bf8f91cf 100644 --- a/src/gpu/gl/GrGpuGL.cpp +++ b/src/gpu/gl/GrGpuGL.cpp @@ -1295,6 +1295,25 @@ void GrGpuGL::onClear(const SkIRect* rect, GrColor color, bool canIgnoreRect) { GL_CALL(Clear(GR_GL_COLOR_BUFFER_BIT)); } +void GrGpuGL::discard(GrRenderTarget* renderTarget) { + if (NULL == renderTarget) { + renderTarget = this->drawState()->getRenderTarget(); + if (NULL == renderTarget) { + return; + } + } + + GrGLRenderTarget* glRT = static_cast<GrGLRenderTarget*>(renderTarget); + if (renderTarget != fHWBoundRenderTarget) { + fHWBoundRenderTarget = NULL; + GL_CALL(BindFramebuffer(GR_GL_FRAMEBUFFER, glRT->renderFBOID())); + } + GrGLenum attachments[] = { GR_GL_COLOR }; + GL_CALL(DiscardFramebuffer(GR_GL_FRAMEBUFFER, SK_ARRAY_COUNT(attachments), attachments)); + renderTarget->flagAsResolved(); +} + + void GrGpuGL::clearStencil() { if (NULL == this->getDrawState().getRenderTarget()) { return; |