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Load operations (#105)

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* load ops: design + implementation (all backends)

* Animometer/glTFViewer: use just one subpass per frame
This commit is contained in:
Kai Ninomiya
2017-08-11 14:36:20 -07:00
committed by GitHub
parent 3d1154786f
commit b985431c82
18 changed files with 380 additions and 102 deletions
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15
src/utils/MetalBinding.mm
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@@ -103,21 +103,6 @@ namespace utils {
currentTexture = currentDrawable.texture;
[currentTexture retain];
// Clear initial contents of the texture
{
MTLRenderPassDescriptor* passDescriptor = [MTLRenderPassDescriptor renderPassDescriptor];
passDescriptor.colorAttachments[0].texture = currentTexture;
passDescriptor.colorAttachments[0].loadAction = MTLLoadActionClear;
passDescriptor.colorAttachments[0].storeAction = MTLStoreActionStore;
passDescriptor.colorAttachments[0].clearColor = MTLClearColorMake(0.0, 0.0, 0.0, 1.0);
id<MTLCommandBuffer> commandBuffer = [commandQueue commandBuffer];
id<MTLRenderCommandEncoder> commandEncoder = [commandBuffer
renderCommandEncoderWithDescriptor:passDescriptor];
[commandEncoder endEncoding];
[commandBuffer commit];
}
nextTexture->texture = reinterpret_cast<void*>(currentTexture);
return NXT_SWAP_CHAIN_NO_ERROR;

9
src/utils/OpenGLBinding.cpp
View File

@@ -54,12 +54,6 @@ namespace utils {
glDeleteFramebuffers(1, &backFBO);
}
void HACKCLEAR() {
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, backFBO);
glClearColor(0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
}
// For GenerateSwapChainImplementation
friend class SwapChainImpl;
@@ -89,8 +83,6 @@ namespace utils {
// Reallocate the texture
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, width, height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
// Clear the newly (re-)allocated texture
HACKCLEAR();
return NXT_SWAP_CHAIN_NO_ERROR;
}
@@ -106,7 +98,6 @@ namespace utils {
glBlitFramebuffer(0, 0, cfgWidth, cfgHeight, 0, 0, cfgWidth, cfgHeight,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glfwSwapBuffers(window);
HACKCLEAR();
return NXT_SWAP_CHAIN_NO_ERROR;
}