From 3b0a620c0474093cc2564c54ca11d83973007e96 Mon Sep 17 00:00:00 2001
From: klukaszek <kylelukaszek@gmail.com>
Date: Sat, 26 Oct 2024 04:41:00 -0400
Subject: [PATCH] Got textures working but there seems to be some bugged
 pixels.

---
 src/gpu/webgpu/SDL_gpu_webgpu.c | 42 +++++++++++++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/gpu/webgpu/SDL_gpu_webgpu.c b/src/gpu/webgpu/SDL_gpu_webgpu.c
index 9f76de9405e3ca..1174d8578e4097 100644
--- a/src/gpu/webgpu/SDL_gpu_webgpu.c
+++ b/src/gpu/webgpu/SDL_gpu_webgpu.c
@@ -700,7 +700,7 @@ static WGPUTextureUsageFlags SDLToWGPUTextureUsageFlags(SDL_GPUTextureUsageFlags
     WGPUTextureUsageFlags wgpuFlags;
     switch (usageFlags) {
     case SDL_GPU_TEXTUREUSAGE_SAMPLER:
-        wgpuFlags = WGPUTextureUsage_TextureBinding;
+        wgpuFlags = WGPUTextureUsage_TextureBinding | WGPUTextureUsage_CopyDst;
         break;
     case SDL_GPU_TEXTUREUSAGE_COLOR_TARGET:
     case SDL_GPU_TEXTUREUSAGE_DEPTH_STENCIL_TARGET:
@@ -2782,8 +2782,8 @@ static void WebGPU_SetTextureName(
     container->debugName = SDL_strdup(name);
 
     // Set the texture view name
-    wgpuTextureViewSetLabel(webgpuTexture->fullView, name);
     wgpuTextureSetLabel(webgpuTexture->texture, name);
+    wgpuTextureViewSetLabel(webgpuTexture->fullView, name);
 }
 
 static void WebGPU_UploadToTexture(SDL_GPUCommandBuffer *commandBuffer,
@@ -2796,6 +2796,44 @@ static void WebGPU_UploadToTexture(SDL_GPUCommandBuffer *commandBuffer,
         SDL_LogError(SDL_LOG_CATEGORY_GPU, "Invalid parameters for uploading to texture");
         return;
     }
+
+    WebGPUCommandBuffer *wgpuCmdBuf = (WebGPUCommandBuffer *)commandBuffer;
+    WebGPUTextureContainer *tex_container = (WebGPUTextureContainer *)destination->texture;
+    WebGPUTextureHandle *textureHandle = tex_container->activeTextureHandle;
+    WebGPUTexture *webgpuTexture = textureHandle->webgpuTexture;
+
+    // Create the texture data
+    WGPUTextureDataLayout dataLayout = {
+        .offset = source->offset,
+        .bytesPerRow = destination->w * sizeof(Uint32),
+        .rowsPerImage = destination->h,
+    };
+
+    WGPUImageCopyTexture copyTexture = {
+        .texture = webgpuTexture->texture,
+        .mipLevel = destination->mip_level,
+        .origin = (WGPUOrigin3D){
+            .x = destination->x,
+            .y = destination->y,
+            .z = destination->z,
+        },
+    };
+
+    WebGPUBufferContainer *buf_container = (WebGPUBufferContainer *)source->transfer_buffer;
+    WebGPUBufferHandle *bufferHandle = buf_container->activeBufferHandle;
+    WebGPUBuffer *transfer_buffer = bufferHandle->webgpuBuffer;
+
+    // Create the texture region
+    WGPUExtent3D extent = {
+        .width = destination->w,
+        .height = destination->h,
+        .depthOrArrayLayers = destination->d,
+    };
+
+    Uint32 size = transfer_buffer->size;
+    void *data = transfer_buffer->mappedData;
+
+    wgpuQueueWriteTexture(wgpuCmdBuf->renderer->queue, &copyTexture, data, size, &dataLayout, &extent);
 }
 
 static SDL_GPUSampler *WebGPU_CreateSampler(