diff options
Diffstat (limited to 'services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp')
| -rw-r--r-- | services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp | 70 |
1 files changed, 57 insertions, 13 deletions
diff --git a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp index 1fabaf5..6333a41 100644 --- a/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp +++ b/services/surfaceflinger/RenderEngine/GLES20RenderEngine.cpp @@ -40,7 +40,7 @@ namespace android { // --------------------------------------------------------------------------- GLES20RenderEngine::GLES20RenderEngine() : - mVpWidth(0), mVpHeight(0) { + mVpWidth(0), mVpHeight(0), mProjectionRotation(Transform::ROT_0) { glGetIntegerv(GL_MAX_TEXTURE_SIZE, &mMaxTextureSize); glGetIntegerv(GL_MAX_VIEWPORT_DIMS, mMaxViewportDims); @@ -115,6 +115,9 @@ void GLES20RenderEngine::setViewportAndProjection( mState.setProjectionMatrix(m); mVpWidth = vpw; mVpHeight = vph; + mProjectionSourceCrop = sourceCrop; + mProjectionYSwap = yswap; + mProjectionRotation = rotation; } void GLES20RenderEngine::setupLayerBlending( @@ -185,27 +188,44 @@ void GLES20RenderEngine::disableBlending() { void GLES20RenderEngine::bindImageAsFramebuffer(EGLImageKHR image, - uint32_t* texName, uint32_t* fbName, uint32_t* status) { + uint32_t* texName, uint32_t* fbName, uint32_t* status, + bool useReadPixels, int reqWidth, int reqHeight) { GLuint tname, name; - // turn our EGLImage into a texture - glGenTextures(1, &tname); - glBindTexture(GL_TEXTURE_2D, tname); - glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image); - - // create a Framebuffer Object to render into - glGenFramebuffers(1, &name); - glBindFramebuffer(GL_FRAMEBUFFER, name); - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tname, 0); + if (!useReadPixels) { + // turn our EGLImage into a texture + glGenTextures(1, &tname); + glBindTexture(GL_TEXTURE_2D, tname); + glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, (GLeglImageOES)image); + + // create a Framebuffer Object to render into + glGenFramebuffers(1, &name); + glBindFramebuffer(GL_FRAMEBUFFER, name); + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, tname, 0); + } else { + // since we're going to use glReadPixels() anyways, + // use an intermediate renderbuffer instead + glGenRenderbuffers(1, &tname); + glBindRenderbuffer(GL_RENDERBUFFER, tname); + glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8_OES, reqWidth, reqHeight); + // create a FBO to render into + glGenFramebuffers(1, &name); + glBindFramebuffer(GL_FRAMEBUFFER, name); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, tname); + } *status = glCheckFramebufferStatus(GL_FRAMEBUFFER); *texName = tname; *fbName = name; } -void GLES20RenderEngine::unbindFramebuffer(uint32_t texName, uint32_t fbName) { +void GLES20RenderEngine::unbindFramebuffer(uint32_t texName, uint32_t fbName, + bool useReadPixels) { glBindFramebuffer(GL_FRAMEBUFFER, 0); glDeleteFramebuffers(1, &fbName); - glDeleteTextures(1, &texName); + if (!useReadPixels) + glDeleteTextures(1, &texName); + else + glDeleteRenderbuffers(1, &texName); } void GLES20RenderEngine::setupFillWithColor(float r, float g, float b, float a) { @@ -247,6 +267,30 @@ void GLES20RenderEngine::dump(String8& result) { RenderEngine::dump(result); } +void GLES20RenderEngine::setupLayerMasking(const Texture& maskTexture, float alphaThreshold) { + glActiveTexture(GL_TEXTURE0 + 1); + GLuint target = maskTexture.getTextureTarget(); + glBindTexture(target, maskTexture.getTextureName()); + GLenum filter = GL_NEAREST; + if (maskTexture.getFiltering()) { + filter = GL_LINEAR; + } + glTexParameteri(target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameteri(target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glTexParameteri(target, GL_TEXTURE_MAG_FILTER, filter); + glTexParameteri(target, GL_TEXTURE_MIN_FILTER, filter); + + if (alphaThreshold < 0) alphaThreshold = 0; + if (alphaThreshold > 1.0f) alphaThreshold = 1.0f; + + mState.setMasking(maskTexture, alphaThreshold); + glActiveTexture(GL_TEXTURE0); +} + +void GLES20RenderEngine::disableLayerMasking() { + mState.disableMasking(); +} + // --------------------------------------------------------------------------- }; // namespace android // --------------------------------------------------------------------------- |