void GrGLPathProgram::onSetRenderTargetState(const GrPrimitiveProcessor& primProc,
const GrPipeline& pipeline) {
SkASSERT(!primProc.willUseGeoShader() && primProc.numAttribs() == 0);
const GrRenderTarget* rt = pipeline.getRenderTarget();
SkISize size;
size.set(rt->width(), rt->height());
const GrPathProcessor& pathProc = primProc.cast<GrPathProcessor>();
fGpu->glPathRendering()->setProjectionMatrix(pathProc.viewMatrix(),
size, rt->origin());
}
bool GrGpuCommandBuffer::draw(const GrPipeline& pipeline,
const GrPrimitiveProcessor& primProc,
const GrMesh* mesh,
int meshCount) {
if (primProc.numAttribs() > this->gpu()->caps()->maxVertexAttributes()) {
this->gpu()->stats()->incNumFailedDraws();
return false;
}
this->onDraw(pipeline, primProc, mesh, meshCount);
return true;
}
static void setup_vertex_input_state(const GrPrimitiveProcessor& primProc,
VkPipelineVertexInputStateCreateInfo* vertexInputInfo,
VkVertexInputBindingDescription* bindingDesc,
int maxBindingDescCount,
VkVertexInputAttributeDescription* attributeDesc,
int maxAttributeDescCount) {
// for now we have only one vertex buffer and one binding
memset(bindingDesc, 0, sizeof(VkVertexInputBindingDescription));
bindingDesc->binding = 0;
bindingDesc->stride = (uint32_t)primProc.getVertexStride();
bindingDesc->inputRate = VK_VERTEX_INPUT_RATE_VERTEX;
// setup attribute descriptions
int vaCount = primProc.numAttribs();
SkASSERT(vaCount < maxAttributeDescCount);
if (vaCount > 0) {
size_t offset = 0;
for (int attribIndex = 0; attribIndex < vaCount; attribIndex++) {
const GrGeometryProcessor::Attribute& attrib = primProc.getAttrib(attribIndex);
GrVertexAttribType attribType = attrib.fType;
VkVertexInputAttributeDescription& vkAttrib = attributeDesc[attribIndex];
vkAttrib.location = attribIndex; // for now assume location = attribIndex
vkAttrib.binding = 0; // for now only one vertex buffer & binding
vkAttrib.format = attrib_type_to_vkformat(attribType);
vkAttrib.offset = static_cast<uint32_t>(offset);
offset += attrib.fOffset;
}
}
memset(vertexInputInfo, 0, sizeof(VkPipelineVertexInputStateCreateInfo));
vertexInputInfo->sType = VK_STRUCTURE_TYPE_PIPELINE_VERTEX_INPUT_STATE_CREATE_INFO;
vertexInputInfo->pNext = nullptr;
vertexInputInfo->flags = 0;
vertexInputInfo->vertexBindingDescriptionCount = 1;
vertexInputInfo->pVertexBindingDescriptions = bindingDesc;
vertexInputInfo->vertexAttributeDescriptionCount = vaCount;
vertexInputInfo->pVertexAttributeDescriptions = attributeDesc;
}
