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CommandBuffer增加PushConstants(const PushConstant128/256)函数定义

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This commit is contained in:
hyzboy 2019-05-28 21:26:18 +08:00
parent 32bc14725d
commit 9af0f095d8
2 changed files with 20 additions and 14 deletions
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14
inc/hgl/graph/vulkan/VK.h
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@ -63,20 +63,6 @@ enum class ShaderType
Compute =VK_SHADER_STAGE_COMPUTE_BIT
};//
struct PushConstant256
{
Matrix4f projection;
Matrix4f modelview;
Matrix4f mvp;
Matrix3f normal;
};//
struct PushConstant128
{
Matrix4f projection;
Matrix4f modelview;
};//
#ifdef _DEBUG
bool CheckStrideBytesByFormat(); ///<检验所有数据类型长度数组是否符合规则
#endif//_DEBUG

20
inc/hgl/graph/vulkan/VKCommandBuffer.h
View File

@ -5,6 +5,23 @@
#include<hgl/graph/vulkan/VKPipeline.h>
#include<hgl/graph/vulkan/VKDescriptorSets.h>
VK_NAMESPACE_BEGIN
//push constant 一般只有128/256字节，仅能存在矩阵。
//所以我们将每个对象的独立变换矩阵存在push constant中
struct PushConstant256
{
Matrix4f projection;
Matrix4f modelview;
Matrix4f mvp;
Matrix3f normal;
};//
struct PushConstant128
{
Matrix4f projection;
Matrix4f modelview;
};//
class CommandBuffer
{
VkDevice device;
@ -95,6 +112,9 @@ public:
vkCmdPushConstants(cmd_buf,pipeline_layout,(VkShaderStageFlagBits)shader_type,offset,size,pValues);
}
void PushConstants(const PushConstant256 *pc){vkCmdPushConstants(cmd_buf,pipeline_layout,VK_SHADER_STAGE_VERTEX_BIT,0,sizeof(PushConstant256),pc);}
void PushConstants(const PushConstant128 *pc){vkCmdPushConstants(cmd_buf,pipeline_layout,VK_SHADER_STAGE_VERTEX_BIT,0,sizeof(PushConstant128),pc);}
bool Bind(Renderable *);
void SetViewport (uint32_t first,uint32_t count,const VkViewport *vp) {vkCmdSetViewport(cmd_buf,first,count,vp);}