初步增加shader加载代码(部分)

example/Vulkan/RenderSurface.h

@@ -32,6 +32,7 @@ public:
     virtual ~RenderSurface()=default;
 
             VkSurfaceKHR    GetSurface          ()      {return rsa->surface;}
+            VkDevice        GetDevice           ()      {return rsa->device;}
     const   PhysicalDevice *GetPhysicalDevice   ()const {return rsa->physical_device;}
 
 public:

example/Vulkan/VKShader.cpp

@@ -1,4 +1,30 @@
 #include"VKShader.h"
 
 VK_NAMESPACE_BEGIN
+
+VkShaderModule CreateShaderModule(VkDevice device,const uint32_t *spv_data,const uint32_t spv_size,const VkShaderStageFlagBits shader_stage_bit)
+{
+    VkPipelineShaderStageCreateInfo shader_stage;
+    shader_stage.sType=VK_STRUCTURE_TYPE_PIPELINE_SHADER_STAGE_CREATE_INFO;
+    shader_stage.pNext=nullptr;
+    shader_stage.pSpecializationInfo=nullptr;
+    shader_stage.flags=0;
+    shader_stage.stage=shader_stage_bit;
+    shader_stage.pName="main";
+
+    VkShaderModuleCreateInfo moduleCreateInfo;
+    moduleCreateInfo.sType=VK_STRUCTURE_TYPE_SHADER_MODULE_CREATE_INFO;
+    moduleCreateInfo.pNext=nullptr;
+    moduleCreateInfo.flags=0;
+    moduleCreateInfo.codeSize=spv_size;
+    moduleCreateInfo.pCode=spv_data;
+
+    VkShaderModule shader_module;
+
+    if(vkCreateShaderModule(device,&moduleCreateInfo,nullptr,&shader_module)==VK_SUCCESS)
+        return shader_module;
+
+    return nullptr;
+}
+
 VK_NAMESPACE_END

example/Vulkan/VKShader.h

@@ -4,8 +4,18 @@
 VK_NAMESPACE_BEGIN
 class Shader
 {
+    
 public:
 
 
 };//class Shader
+
+VkShaderModule CreateShaderModule(VkDevice device,const uint32_t *spv_data,const uint32_t spv_size,const VkShaderStageFlagBits shader_stage_bit);
+
+inline VkShaderModule CreateVertexShader    (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_VERTEX_BIT); }
+inline VkShaderModule CreateFragmentShader  (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_FRAGMENT_BIT); }
+inline VkShaderModule CreateGeometryShader  (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_GEOMETRY_BIT); }
+inline VkShaderModule CreateTessCtrlShader  (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_TESSELLATION_CONTROL_BIT); }
+inline VkShaderModule CreateTessEvalShader  (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_TESSELLATION_EVALUATION_BIT); }
+inline VkShaderModule CreateComputeShader   (VkDevice device,const uint32_t *spv_data,const uint32_t spv_size) { return CreateShaderModule(device,spv_data,spv_size,VK_SHADER_STAGE_COMPUTE_BIT); }
 VK_NAMESPACE_END

example/Vulkan/main.cpp

@@ -1,10 +1,41 @@
 #include"Window.h"
 #include"VKInstance.h"
 #include"RenderSurface.h"
+#include"VKShader.h"
+
+#include<io.h>
+#include<fcntl.h>
+#include<stdlib.h>
 
 using namespace hgl;
 using namespace hgl::graph;
 
+VkShaderModule vs=nullptr;
+VkShaderModule fs=nullptr;
+
+char *LoadFile(const char *filename,uint32_t &file_length)
+{
+    int fp=_open(filename,O_RDONLY);
+
+    if(fp==-1)return(nullptr);
+
+    file_length=_filelength(fp);
+    char *data=new char[file_length];
+
+    if(_read(fp,data,file_length)!=file_length)
+    {
+        delete[] data;
+        return(nullptr);
+    }
+
+    _close(fp);
+    return data;
+}
+
+bool LoadShader(VkDevice device)
+{
+}
+
 int main(int,char **)
 {
     Window *win=CreateRenderWindow(OS_TEXT("VulkanTest"));
@@ -34,6 +65,9 @@ int main(int,char **)
         std::cout<<"auto select physical device: "<<render_device->GetDeviceName()<<std::endl;
     }
 
+    if(!LoadShader(render->GetDevice()))
+        return(-3);
+
     vulkan::CommandBuffer *cmd_buf=render->CreateCommandBuffer();
 
     vulkan::Buffer *ubo=render->CreateUBO(1024);