static void prepare_sampled_images(const GrProcessor& processor, GrVkGpu* gpu) {
for (int i = 0; i < processor.numTextures(); ++i) {
const GrTextureAccess& texAccess = processor.textureAccess(i);
GrVkTexture* vkTexture = static_cast<GrVkTexture*>(processor.texture(i));
SkASSERT(vkTexture);
// We may need to resolve the texture first if it is also a render target
GrVkRenderTarget* texRT = static_cast<GrVkRenderTarget*>(vkTexture->asRenderTarget());
if (texRT) {
gpu->onResolveRenderTarget(texRT);
}
const GrTextureParams& params = texAccess.getParams();
// Check if we need to regenerate any mip maps
if (GrTextureParams::kMipMap_FilterMode == params.filterMode()) {
if (vkTexture->texturePriv().mipMapsAreDirty()) {
gpu->generateMipmap(vkTexture);
vkTexture->texturePriv().dirtyMipMaps(false);
}
}
// TODO: If we ever decide to create the secondary command buffers ahead of time before we
// are actually going to submit them, we will need to track the sampled images and delay
// adding the layout change/barrier until we are ready to submit.
vkTexture->setImageLayout(gpu,
VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
VK_ACCESS_SHADER_READ_BIT,
VK_PIPELINE_STAGE_ALL_GRAPHICS_BIT,
false);
}
}
void GrGLBicubicEffect::onSetData(const GrGLSLProgramDataManager& pdman,
const GrProcessor& processor) {
const GrBicubicEffect& bicubicEffect = processor.cast<GrBicubicEffect>();
const GrTexture& texture = *processor.texture(0);
float imageIncrement[2];
imageIncrement[0] = 1.0f / texture.width();
imageIncrement[1] = 1.0f / texture.height();
pdman.set2fv(fImageIncrementUni, 1, imageIncrement);
pdman.setMatrix4f(fCoefficientsUni, bicubicEffect.coefficients());
fDomain.setData(pdman, bicubicEffect.domain(), texture.origin());
}