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Vulkan example: Fix validation layer warnings and errors and redeclare gl_PerVertex.

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docking
Håvard Mathisen 8 years ago
parent 1a0e414d3a
commit 08ef9819c8
3 changed files with 82 additions and 49 deletions
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4
examples/vulkan_example/glsl_shader.vert
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@ -8,6 +8,10 @@ layout(push_constant) uniform uPushConstant{
vec2 uTranslate;
} pc;
out gl_PerVertex{
vec4 gl_Position;
};
layout(location = 0) out struct{
vec4 Color;
vec2 UV;

83
examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
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@ -61,58 +61,52 @@ static VkBuffer g_IndexBuffer[IMGUI_VK_QUEUED_FRAMES] = {};
static VkDeviceMemory g_UploadBufferMemory = VK_NULL_HANDLE;
static VkBuffer g_UploadBuffer = VK_NULL_HANDLE;
static uint32_t __glsl_shader_vert_spv[] =
static uint32_t __glsl_shader_vert_spv[] =
{
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0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
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0x0000002d,0x0000002c,0x000100fd,0x00010038
};
static uint32_t __glsl_shader_frag_spv[] =
static uint32_t __glsl_shader_frag_spv[] =
{
0x07230203,0x00010000,0x00080001,0x0000001e,0x00000000,0x00020011,0x00000001,0x0006000b,
0x00000001,0x4c534c47,0x6474732e,0x3035342e,0x00000000,0x0003000e,0x00000000,0x00000001,
@ -406,7 +400,6 @@ bool ImGui_ImplGlfwVulkan_CreateFontsTexture(VkCommandBuffer command_buffer)
// Create the Image View:
{
VkResult err;
VkImageViewCreateInfo info = {};
info.sType = VK_STRUCTURE_TYPE_IMAGE_VIEW_CREATE_INFO;
info.image = g_FontImage;

44
examples/vulkan_example/main.cpp
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@ -49,7 +49,7 @@ static void check_vk_result(VkResult err)
{
if (err == 0) return;
printf("VkResult %d\n", err);
if (err < 0)
if (err < 0)
abort();
}
@ -204,14 +204,48 @@ static void setup_vulkan(GLFWwindow* window)
err = glfwCreateWindowSurface(g_Instance, window, g_Allocator, &g_Surface);
check_vk_result(err);
}
// Get GPU
// Get GPU (WARNING here we assume the first gpu is one we can use)
{
uint32_t count = 1;
err = vkEnumeratePhysicalDevices(g_Instance, &count, &g_Gpu);
check_vk_result(err);
}
// Get queue
{
uint32_t count;
vkGetPhysicalDeviceQueueFamilyProperties(g_Gpu, &count, nullptr);
VkQueueFamilyProperties *queues = (VkQueueFamilyProperties*)malloc(sizeof(VkQueueFamilyProperties)*count);
vkGetPhysicalDeviceQueueFamilyProperties(g_Gpu, &count, queues);
for(uint32_t i=0; i<count; i++){
if(queues[i].queueFlags & VK_QUEUE_GRAPHICS_BIT){
g_QueueFamily = i;
break;
}
}
free(queues);
}
// Check for WSI support
{
VkBool32 res;
vkGetPhysicalDeviceSurfaceSupportKHR(g_Gpu, g_QueueFamily, g_Surface, &res);
if(res != VK_TRUE){
fprintf(stderr, "Error no WSI support on physical device 0\n");
exit(-1);
}
}
// Get Surface Format (WARNING here we assume the first format is the one we want)
{
uint32_t count = 1;
VkSurfaceFormatKHR format;
vkGetPhysicalDeviceSurfaceFormatsKHR(g_Gpu, g_Surface, &count, &format);
g_Format = format.format;
g_ColorSpace = format.colorSpace;
}
// Create Logical Device
{
int device_extension_count = 1;
@ -280,7 +314,7 @@ static void setup_vulkan(GLFWwindow* window)
// Create Descriptor Pool
{
VkDescriptorPoolSize pool_size[11] =
VkDescriptorPoolSize pool_size[11] =
{
{ VK_DESCRIPTOR_TYPE_SAMPLER, 1000 },
{ VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1000 },
@ -381,10 +415,12 @@ static void frame_end()
vkCmdPipelineBarrier(g_CommandBuffer[g_FrameIndex], VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT, VK_PIPELINE_STAGE_BOTTOM_OF_PIPE_BIT, 0, 0, NULL, 0, NULL, 1, &barrier);
}
{
VkPipelineStageFlags wait_stage = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT;
VkSubmitInfo info = {};
info.sType = VK_STRUCTURE_TYPE_SUBMIT_INFO;
info.waitSemaphoreCount = 1;
info.pWaitSemaphores = &g_Semaphore[g_FrameIndex];
info.pWaitDstStageMask = &wait_stage;
info.commandBufferCount = 1;
info.pCommandBuffers = &g_CommandBuffer[g_FrameIndex];

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