Lerking/gtk
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add an api to create intermediate textures

Browse Source
This commit is contained in:
Matthias Clasen
2017-09-26 19:12:20 -04:00
parent 485470511f
commit 337f96541f
2 changed files with 29 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

29
gsk/gskvulkanimage.c
View File

@@ -148,7 +148,7 @@ gsk_vulkan_uploader_upload (GskVulkanUploader *self)
command_buffer = gsk_vulkan_command_pool_get_buffer (self->command_pool);
vkCmdPipelineBarrier (command_buffer,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT,
VK_PIPELINE_STAGE_FRAGMENT_SHADER_BIT | VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT,
VK_PIPELINE_STAGE_HOST_BIT | VK_PIPELINE_STAGE_TRANSFER_BIT,
0,
0, NULL,
@@ -604,6 +604,29 @@ gsk_vulkan_image_new_for_atlas (GdkVulkanContext *context,
return self;
}
GskVulkanImage *
gsk_vulkan_image_new_for_texture (GdkVulkanContext *context,
gsize width,
gsize height)
{
GskVulkanImage *self;
self = gsk_vulkan_image_new (context,
width,
height,
VK_IMAGE_TILING_OPTIMAL,
VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT |
VK_IMAGE_USAGE_SAMPLED_BIT |
VK_IMAGE_USAGE_TRANSFER_SRC_BIT,
VK_IMAGE_LAYOUT_UNDEFINED,
0,
VK_MEMORY_PROPERTY_DEVICE_LOCAL_BIT);
gsk_vulkan_image_ensure_view (self, VK_FORMAT_B8G8R8A8_UNORM);
return self;
}
GskTexture *
gsk_vulkan_image_download (GskVulkanImage *self,
GskVulkanUploader *uploader)
@@ -615,14 +638,14 @@ gsk_vulkan_image_download (GskVulkanImage *self,
gsk_vulkan_uploader_add_image_barrier (uploader,
FALSE,
self,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
VK_ACCESS_TRANSFER_READ_BIT);
buffer = gsk_vulkan_buffer_new_download (self->vulkan, self->width * self->height * 4);
vkCmdCopyImageToBuffer (gsk_vulkan_uploader_get_copy_buffer (uploader),
self->vk_image,
VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL,
VK_IMAGE_LAYOUT_TRANSFER_SRC_OPTIMAL,
gsk_vulkan_buffer_get_buffer (buffer),
1,
(VkBufferImageCopy[1]) {

3
gsk/gskvulkanimageprivate.h
View File

@@ -51,6 +51,9 @@ GskVulkanImage * gsk_vulkan_image_new_for_framebuffer (GdkVulk
GskVulkanImage * gsk_vulkan_image_new_for_atlas (GdkVulkanContext *context,
gsize width,
gsize height);
GskVulkanImage * gsk_vulkan_image_new_for_texture (GdkVulkanContext *context,
gsize width,
gsize height);
GskTexture * gsk_vulkan_image_download (GskVulkanImage *self,
GskVulkanUploader *uploader);