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vulkan: Add an upload_region api to GskVulkanImage

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This will let us update larger textures incrementally.
Sadly, it does not work yet.
This commit is contained in:
Matthias Clasen 2017-09-20 10:00:48 -04:00
parent 6dbec5e4fc
commit 5ee5af9bc8
2 changed files with 106 additions and 0 deletions
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98
gsk/gskvulkanimage.c
View File

@ -649,6 +649,104 @@ gsk_vulkan_image_download (GskVulkanImage *self,
return texture;
}
void
gsk_vulkan_image_upload_region (GskVulkanImage *self,
GskVulkanUploader *uploader,
guchar *data,
gsize width,
gsize height,
gsize stride,
gsize x,
gsize y)
{
GskVulkanBuffer *staging;
guchar *mem;
staging = gsk_vulkan_buffer_new_staging (uploader->vulkan, width * height * 4);
mem = gsk_vulkan_buffer_map (staging);
if (stride == width * 4)
{
memcpy (mem, data, stride * height);
}
else
{
for (gsize i = 0; i < height; i++)
{
memcpy (mem + i * width * 4, data + i * stride, width * 4);
}
}
gsk_vulkan_buffer_unmap (staging);
gsk_vulkan_uploader_add_image_barrier (uploader,
FALSE,
&(VkImageMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_HOST_WRITE_BIT,
.dstAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.oldLayout = VK_IMAGE_LAYOUT_PREINITIALIZED,
.newLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = self->vk_image,
.subresourceRange = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1
}
});
vkCmdCopyBufferToImage (gsk_vulkan_uploader_get_copy_buffer (uploader),
gsk_vulkan_buffer_get_buffer (staging),
self->vk_image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
1,
(VkBufferImageCopy[1]) {
{
.bufferOffset = 0,
.imageSubresource = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.mipLevel = 0,
.baseArrayLayer = 0,
.layerCount = 1
},
.imageOffset = { x, y, 0 },
.imageExtent = {
.width = width,
.height = height,
.depth = 1
}
}
});
gsk_vulkan_uploader_add_image_barrier (uploader,
TRUE,
&(VkImageMemoryBarrier) {
.sType = VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
.srcAccessMask = VK_ACCESS_TRANSFER_WRITE_BIT,
.dstAccessMask = VK_ACCESS_SHADER_READ_BIT,
.oldLayout = VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
.newLayout = VK_IMAGE_LAYOUT_SHADER_READ_ONLY_OPTIMAL,
.srcQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.dstQueueFamilyIndex = VK_QUEUE_FAMILY_IGNORED,
.image = self->vk_image,
.subresourceRange = {
.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT,
.baseMipLevel = 0,
.levelCount = 1,
.baseArrayLayer = 0,
.layerCount = 1
}
});
uploader->staging_buffer_free_list = g_slist_prepend (uploader->staging_buffer_free_list, staging);
gsk_vulkan_image_ensure_view (self, VK_FORMAT_B8G8R8A8_UNORM);
}
static void
gsk_vulkan_image_finalize (GObject *object)
{

8
gsk/gskvulkanimageprivate.h
View File

@ -31,6 +31,14 @@ GskVulkanImage * gsk_vulkan_image_new_from_data (GskVulk
gsize width,
gsize height,
gsize stride);
void gsk_vulkan_image_upload_region (GskVulkanImage *image,
GskVulkanUploader *uploader,
guchar *data,
gsize width,
gsize height,
gsize stride,
gsize x,
gsize y);
GskVulkanImage * gsk_vulkan_image_new_for_framebuffer (GdkVulkanContext *context,
gsize width,
gsize height);