Implement textures and samplers for Vulkan

[libs/gl.git] / source / backends / vulkan / texture1d_backend.cpp

diff --git a/source/backends/vulkan/texture1d_backend.cpp b/source/backends/vulkan/texture1d_backend.cpp
index 8cc43f3d88254597ea4f8020ad9267dec44cc9a2..aaa3c385bb41e030d4a3ab6c39d7f66d871e6d13 100644 (file)
--- a/source/backends/vulkan/texture1d_backend.cpp
+++ b/source/backends/vulkan/texture1d_backend.cpp
@@ -1,17 +1,53 @@
+#include "device.h"
+#include "texture1d.h"
 #include "texture1d_backend.h"
 #include "vulkan.h"
 
+using namespace std;
+
 namespace Msp {
 namespace GL {
 
 VulkanTexture1D::VulkanTexture1D():
        Texture(VK_IMAGE_VIEW_TYPE_1D)
+{ }
+
+void VulkanTexture1D::fill_image_info(void *ii) const
 {
-       throw std::logic_error("VulkanTexture1D is unimplemented");
+       const Texture1D &self = *static_cast<const Texture1D *>(this);
+
+       VkImageCreateInfo *image_info = static_cast<VkImageCreateInfo *>(ii);
+       image_info->imageType = VK_IMAGE_TYPE_1D;
+       image_info->extent.width = self.width;
+       image_info->mipLevels = self.levels;
 }
 
-void VulkanTexture1D::sub_image(unsigned, int, unsigned, const void *)
-{ }
+void VulkanTexture1D::sub_image(unsigned level, int x, unsigned wd, const void *data)
+{
+       const Texture1D &self = *static_cast<const Texture1D *>(this);
+
+       unsigned level_size = self.get_level_size(level);
+       synchronize(-1, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, (x==0 && wd==level_size));
+
+       size_t data_size = wd*get_pixel_size(storage_fmt);
+       void *staging = device.get_transfer_queue().prepare_transfer(data_size,
+               [this, level, x, wd](VkCommandBuffer cmd_buf, VkBuffer staging_buf, size_t src_off){
+                       const VulkanFunctions &vk = device.get_functions();
+
+                       VkBufferImageCopy region = { };
+                       region.bufferOffset = src_off;
+                       region.imageSubresource.aspectMask = VK_IMAGE_ASPECT_COLOR_BIT;
+                       region.imageSubresource.mipLevel = level;
+                       region.imageSubresource.baseArrayLayer = 0;
+                       region.imageSubresource.layerCount = 1;
+                       region.imageOffset = { x, 0, 0 };
+                       region.imageExtent = { wd, 1, 1 };
+                       vk.CmdCopyBufferToImage(cmd_buf, staging_buf, handle, VK_IMAGE_LAYOUT_TRANSFER_DST_OPTIMAL, 1, &region);
+               });
+
+       const char *src = static_cast<const char *>(data);
+       copy(src, src+data_size, static_cast<char *>(staging));
+}
 
 size_t VulkanTexture1D::get_data_size() const
 {