Fixed depth test for 3D texture test

[android-x86/external-swiftshader.git] / tests / third_party / PowerVR / Examples / Intermediate / ColourGrading / OGLES2 / OGLES2ColourGrading.cpp

diff --git a/tests/third_party/PowerVR/Examples/Intermediate/ColourGrading/OGLES2/OGLES2ColourGrading.cpp b/tests/third_party/PowerVR/Examples/Intermediate/ColourGrading/OGLES2/OGLES2ColourGrading.cpp
index ea82343..40db597 100644 (file)
--- a/tests/third_party/PowerVR/Examples/Intermediate/ColourGrading/OGLES2/OGLES2ColourGrading.cpp
+++ b/tests/third_party/PowerVR/Examples/Intermediate/ColourGrading/OGLES2/OGLES2ColourGrading.cpp
@@ -158,6 +158,7 @@ class OGLES2ColourGrading : public PVRShell
 
        // Texture IDs used by the app
        GLuint  m_uiTextureToRenderTo;
+       GLuint  m_uiDepthToRenderTo;
 
        // Handle for our FBO and the depth buffer that it requires
        GLuint m_uiFBO;
@@ -195,6 +196,7 @@ public:
                m_uiSceneFragShader(0),
                m_i32OriginalFbo(0),
                m_uiTextureToRenderTo(0),
+               m_uiDepthToRenderTo(0),
                m_uiFBO(0),
                m_uiFBOMultisampled(0),
                m_uiDepthBufferMultisampled(0),
@@ -521,6 +523,15 @@ bool OGLES2ColourGrading::CreateFBO()
 
        // Attach the texture to the FBO
        glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, m_uiTextureToRenderTo, 0);
+       if(!m_bMultisampledSupported)
+       {
+               glGenTextures(1, &m_uiDepthToRenderTo);
+               glBindTexture(GL_TEXTURE_2D, m_uiDepthToRenderTo);\r
+               glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);\r
+               glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);\r
+               glTexImage2D(GL_TEXTURE_2D, 0, GL_DEPTH_COMPONENT, PVRShellGet(prefWidth), PVRShellGet(prefHeight), 0, GL_DEPTH_COMPONENT, GL_UNSIGNED_SHORT, 0);
+               glFramebufferTexture2D(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_TEXTURE_2D, m_uiDepthToRenderTo, 0);
+       }
 
        // Check that our FBO creation was successful
        GLuint uStatus = glCheckFramebufferStatus(GL_FRAMEBUFFER);
@@ -690,6 +701,7 @@ bool OGLES2ColourGrading::ReleaseView()
        glDeleteTextures(1, &m_uiBackgroundTexture);
        glDeleteTextures(eLast, m_uiLUTs);
        glDeleteTextures(1, &m_uiTextureToRenderTo);
+       glDeleteTextures(1, &m_uiDepthToRenderTo);
 
        // Release Vertex buffer object.
        glDeleteBuffers(1, &m_ui32FullScreenRectVBO);