1 files changed, 36 insertions, 1 deletions
diff --git a/src/gpu/gpu.cc b/src/gpu/gpu.cc
index 805e555..e743bf7 100644
--- a/src/gpu/gpu.cc
+++ b/src/gpu/gpu.cc
@@ -3,9 +3,9 @@
 // Driven by audio peaks for synchronized visual effects.
 
 #include "gpu.h"
+#include "effects/shaders.h"
 #include "generated/timeline.h"
 #include "gpu/shader_composer.h"
-#include "gpu/shaders.h"
 #include "platform/platform.h"
 
 #include <cassert>
@@ -124,6 +124,41 @@ WGPUTextureView gpu_create_texture_view_2d(WGPUTexture texture,
   return wgpuTextureCreateView(texture, &view_desc);
 }
 
+WGPUSampler gpu_create_linear_sampler(WGPUDevice device) {
+  WGPUSamplerDescriptor desc = {};
+  desc.addressModeU = WGPUAddressMode_ClampToEdge;
+  desc.addressModeV = WGPUAddressMode_ClampToEdge;
+  desc.addressModeW = WGPUAddressMode_ClampToEdge;
+  desc.magFilter = WGPUFilterMode_Linear;
+  desc.minFilter = WGPUFilterMode_Linear;
+  desc.mipmapFilter = WGPUMipmapFilterMode_Nearest;
+  desc.maxAnisotropy = 1;
+  return wgpuDeviceCreateSampler(device, &desc);
+}
+
+WGPUSampler gpu_create_nearest_sampler(WGPUDevice device) {
+  WGPUSamplerDescriptor desc = {};
+  desc.addressModeU = WGPUAddressMode_ClampToEdge;
+  desc.addressModeV = WGPUAddressMode_ClampToEdge;
+  desc.magFilter = WGPUFilterMode_Nearest;
+  desc.minFilter = WGPUFilterMode_Nearest;
+  desc.maxAnisotropy = 1;
+  return wgpuDeviceCreateSampler(device, &desc);
+}
+
+TextureWithView gpu_create_dummy_scene_texture(WGPUDevice device) {
+  WGPUTextureDescriptor desc = {};
+  desc.size = {1, 1, 1};
+  desc.format = WGPUTextureFormat_RGBA8Unorm;
+  desc.usage = WGPUTextureUsage_TextureBinding;
+  desc.dimension = WGPUTextureDimension_2D;
+  desc.mipLevelCount = 1;
+  desc.sampleCount = 1;
+  WGPUTexture texture = wgpuDeviceCreateTexture(device, &desc);
+  WGPUTextureView view = wgpuTextureCreateView(texture, nullptr);
+  return {texture, view};
+}
+
 RenderPass gpu_create_render_pass(WGPUDevice device, WGPUTextureFormat format,
                                   const char* shader_code,
                                   ResourceBinding* bindings, int num_bindings) {