1 /*
2 * Copyright 2021 Google LLC
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 #include "experimental/graphite/src/RenderPassTask.h"
9
10 #include "experimental/graphite/src/CommandBuffer.h"
11 #include "experimental/graphite/src/DrawPass.h"
12 #include "experimental/graphite/src/Texture.h"
13 #include "experimental/graphite/src/TextureProxy.h"
14
15 namespace skgpu {
16
Make(std::vector<std::unique_ptr<DrawPass>> passes,const RenderPassDesc & desc)17 sk_sp<RenderPassTask> RenderPassTask::Make(std::vector<std::unique_ptr<DrawPass>> passes,
18 const RenderPassDesc& desc) {
19 // For now we have one DrawPass per RenderPassTask
20 SkASSERT(passes.size() == 1);
21
22 return sk_sp<RenderPassTask>(new RenderPassTask(std::move(passes), desc));
23 }
24
RenderPassTask(std::vector<std::unique_ptr<DrawPass>> passes,const RenderPassDesc & desc)25 RenderPassTask::RenderPassTask(std::vector<std::unique_ptr<DrawPass>> passes,
26 const RenderPassDesc& desc)
27 : fDrawPasses(std::move(passes))
28 , fRenderPassDesc(desc) {}
29
30 RenderPassTask::~RenderPassTask() = default;
31
addCommands(ResourceProvider * resourceProvider,CommandBuffer * commandBuffer)32 void RenderPassTask::addCommands(ResourceProvider* resourceProvider, CommandBuffer* commandBuffer) {
33 // TBD: Expose the surfaces that will need to be attached within the renderpass?
34
35 // TODO: for task execution, start the render pass, then iterate passes and
36 // possibly(?) start each subpass, and call DrawPass::addCommands() on the command buffer
37 // provided to the task. Then close the render pass and we should have pixels..
38
39 // Instantiate the attachments
40 if (fRenderPassDesc.fColorAttachment.fTextureProxy) {
41 auto target = fRenderPassDesc.fColorAttachment.fTextureProxy;
42 if (!target->instantiate(resourceProvider)) {
43 SkDebugf("WARNING: given invalid texture proxy. Will not create renderpass!\n");
44 SkDebugf("Dimensions are (%d, %d).\n", target->dimensions().width(),
45 target->dimensions().height());
46 return;
47 }
48 }
49 // TODO: instantiate depth and stencil
50
51 commandBuffer->beginRenderPass(fRenderPassDesc);
52
53 // Assuming one draw pass per renderpasstask for now
54 SkASSERT(fDrawPasses.size() == 1);
55 for (const auto& drawPass: fDrawPasses) {
56 drawPass->addCommands(commandBuffer);
57 }
58
59 commandBuffer->endRenderPass();
60 }
61
62 } // namespace skgpu
63