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adding image to png export to C test

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kbz_8
2025-11-23 22:00:24 +01:00
parent 823f058612
commit ea6260a638
15 changed files with 247 additions and 82 deletions
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63
test/c/main.c
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@@ -20,19 +20,35 @@
#define KVF_NO_KHR
#include <kvf.h>
void CreateAndBindMemoryToBuffer(VkPhysicalDevice physical_device, VkDevice device, VkBuffer buffer, VkDeviceMemory* memory , VkDeviceSize size, VkMemoryPropertyFlags props)
#define STB_IMAGE_WRITE_IMPLEMENTATION
#include <stb_image_write.h>
void CreateAndBindMemoryToBuffer(VkPhysicalDevice physical_device, VkDevice device, VkBuffer buffer, VkDeviceMemory* memory, VkMemoryPropertyFlags props)
{
VkMemoryRequirements requirements;
vkGetBufferMemoryRequirements(device, buffer, &requirements);
VkMemoryAllocateInfo alloc_info = {0};
alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
alloc_info.allocationSize = size;
alloc_info.allocationSize = requirements.size;
alloc_info.memoryTypeIndex = kvfFindMemoryType(physical_device, requirements.memoryTypeBits, props);
kvfCheckVk(vkAllocateMemory(device, &alloc_info, NULL, memory));
kvfCheckVk(vkBindBufferMemory(device, buffer, *memory, 0));
}
void CreateAndBindMemoryToImage(VkPhysicalDevice physical_device, VkDevice device, VkImage image, VkDeviceMemory* memory, VkMemoryPropertyFlags props)
{
VkMemoryRequirements requirements;
vkGetImageMemoryRequirements(device, image, &requirements);
VkMemoryAllocateInfo alloc_info = {0};
alloc_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO;
alloc_info.allocationSize = requirements.size;
alloc_info.memoryTypeIndex = kvfFindMemoryType(physical_device, requirements.memoryTypeBits, props);
kvfCheckVk(vkAllocateMemory(device, &alloc_info, NULL, memory));
kvfCheckVk(vkBindImageMemory(device, image, *memory, 0));
}
int main(void)
{
volkInitialize();
@@ -65,15 +81,9 @@ int main(void)
VkDevice device = kvfCreateDevice(physical_device, NULL, 0, NULL);
volkLoadDevice(device);
VkBuffer buffer = kvfCreateBuffer(device, VK_BUFFER_USAGE_TRANSFER_SRC_BIT | VK_BUFFER_USAGE_TRANSFER_DST_BIT, 256);
VkImage image = kvfCreateImage(device, 256, 256, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_DST_BIT, KVF_IMAGE_COLOR);
VkDeviceMemory memory;
CreateAndBindMemoryToBuffer(physical_device, device, buffer, &memory, 256, VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
VkBuffer buffer2 = kvfCreateBuffer(device, VK_BUFFER_USAGE_TRANSFER_DST_BIT, 256);
VkDeviceMemory memory2;
CreateAndBindMemoryToBuffer(physical_device, device, buffer2, &memory2, 256, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
VkImage image = kvfCreateImage(device, 256, 256, VK_FORMAT_R8G8B8A8_UNORM, VK_IMAGE_TILING_LINEAR, VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT | VK_IMAGE_USAGE_TRANSFER_SRC_BIT, KVF_IMAGE_COLOR);
CreateAndBindMemoryToImage(physical_device, device, image, &memory, VK_MEMORY_PROPERTY_HOST_VISIBLE_BIT);
VkQueue queue = kvfGetDeviceQueue(device, KVF_GRAPHICS_QUEUE);
VkFence fence = kvfCreateFence(device);
@@ -83,33 +93,32 @@ int main(void)
kvfBeginCommandBuffer(cmd, 0);
{
vkCmdFillBuffer(cmd, buffer, 0, VK_WHOLE_SIZE, 0x600DCAFE);
VkBufferCopy region = {0};
region.srcOffset = 0;
region.dstOffset = 0;
region.size = 256;
vkCmdCopyBuffer(cmd, buffer, buffer2, 1, &region);
VkClearColorValue color = {0};
color.uint32[0] = 0xFF;
color.uint32[1] = 0x00;
color.uint32[2] = 0x00;
color.uint32[3] = 0xFF;
VkImageSubresourceRange range = {0};
range.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
range.levelCount = 1;
range.layerCount = 1;
vkCmdClearColorImage(cmd, image, VK_IMAGE_LAYOUT_GENERAL, &color, 1, &range);
}
kvfEndCommandBuffer(cmd);
kvfSubmitCommandBuffer(device, cmd, KVF_GRAPHICS_QUEUE, VK_NULL_HANDLE, VK_NULL_HANDLE, fence, NULL);
kvfWaitForFence(device, fence);
uint32_t* map = NULL;
kvfCheckVk(vkMapMemory(device, memory2, 0, VK_WHOLE_SIZE, 0, (void**)&map));
for(size_t i = 0; i < 64; i++)
printf("0x%X ", map[i]);
puts("");
vkUnmapMemory(device, memory2);
void* map = NULL;
kvfCheckVk(vkMapMemory(device, memory, 0, VK_WHOLE_SIZE, 0, &map));
if(!stbi_write_png("res.png", 256, 256, 4, map, 256 * 4))
fprintf(stderr, "Failed to write result image to file\n");
vkUnmapMemory(device, memory);
kvfDestroyFence(device, fence);
kvfDestroyBuffer(device, buffer);
vkFreeMemory(device, memory, NULL);
kvfDestroyBuffer(device, buffer2);
vkFreeMemory(device, memory2, NULL);
kvfDestroyImage(device, image);
vkFreeMemory(device, memory, NULL);
kvfDestroyDevice(device);
kvfDestroyInstance(instance);