46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
#include<hgl/graph/vulkan/VKRenderable.h>
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#include<hgl/graph/vulkan/VKBuffer.h>
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#include<hgl/graph/vulkan/VKShaderModule.h>
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VK_NAMESPACE_BEGIN
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Renderable::Renderable(const VertexShaderModule *vsm,const uint32_t dc)
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{
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vertex_sm=vsm;
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draw_count=dc;
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buf_count=vertex_sm->GetAttrCount();
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buf_list=hgl_zero_new<VkBuffer>(buf_count);
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buf_offset=hgl_zero_new<VkDeviceSize>(buf_count);
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}
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Renderable::~Renderable()
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{
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delete[] buf_offset;
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delete[] buf_list;
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}
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bool Renderable::Set(const int stage_input_binding,VertexBuffer *vbo,VkDeviceSize offset)
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{
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if(stage_input_binding<0||stage_input_binding>=buf_count||!vbo)return(false);
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const VkVertexInputBindingDescription *desc=vertex_sm->GetDesc(stage_input_binding);
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const VkVertexInputAttributeDescription *attr=vertex_sm->GetAttr(stage_input_binding);
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if(vbo->GetFormat()!=attr->format)return(false);
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if(vbo->GetStride()!=desc->stride)return(false);
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//format信息来自于shader，实际中可以不一样。但那样需要为每一个格式产生一个同样shader的material instance，不同的格式又需要不同的pipeline，我们不支持这种行为
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buf_list[stage_input_binding]=*vbo;
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buf_offset[stage_input_binding]=offset;
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return(true);
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}
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bool Renderable::Set(const UTF8String &name,VertexBuffer *vbo,VkDeviceSize offset)
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{
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return Set(vertex_sm->GetStageInputBinding(name),vbo,offset);
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}
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VK_NAMESPACE_END
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