Always reset rendertarget in swiftshader

There was a bug in ANGLE where the serial wasn't being properly changed when the render target was reset, so as a hack always resend the render target. See chromium bug 118953. Review URL: https://chromereviews.googleplex.com/4159013

Always reset rendertarget in swiftshader
e226c87c · John Bauman · Nicolas Capens · c4360903 · e226c87c
Commit e226c87c authored May 06, 2014 by John Bauman Committed by Nicolas Capens May 06, 2014
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Context.cpp src/OpenGL ES 2.0/libGLESv2/Context.cpp +3 -8

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--- a/src/OpenGL ES 2.0/libGLESv2/Context.cpp
+++ b/src/OpenGL ES 2.0/libGLESv2/Context.cpp
@@ -1499,14 +1499,9 @@ bool Context::applyRenderTarget(bool ignoreViewport)
    Image *depthStencil = NULL;
-    unsigned int renderTargetSerial = framebufferObject->getRenderTargetSerial();
+    device->setRenderTarget(renderTarget);
-    if(renderTargetSerial != mAppliedRenderTargetSerial)
+    mScissorStateDirty = true;   // Scissor area must be clamped to render target's size - this is different for different render targets.
-    {
-        device->setRenderTarget(renderTarget);
-        mAppliedRenderTargetSerial = renderTargetSerial;
-        mScissorStateDirty = true;   // Scissor area must be clamped to render target's size - this is different for different render targets.
-    }
    unsigned int depthbufferSerial = 0;
    unsigned int stencilbufferSerial = 0;
    if(framebufferObject->getDepthbufferType() != GL_NONE)