1 files changed, 25 insertions, 0 deletions
diff --git a/src/gpu/effect.cc b/src/gpu/effect.cc
index 1257090..2e93a11 100644
--- a/src/gpu/effect.cc
+++ b/src/gpu/effect.cc
@@ -2,6 +2,7 @@
 
 #include "gpu/effect.h"
 #include "gpu/gpu.h"
+#include "gpu/sampler_cache.h"
 #include "gpu/sequence.h"
 #include "util/fatal_error.h"
 
@@ -72,6 +73,30 @@ std::string Effect::find_downstream_output(
   return "";
 }
 
+void Effect::run_fullscreen_pass(WGPUCommandEncoder encoder,
+                                 WGPURenderPipeline pipeline,
+                                 WGPUBindGroup bind_group,
+                                 WGPUTextureView output_view,
+                                 WGPULoadOp load_op) {
+  HEADLESS_RETURN_IF_NULL(encoder);
+
+  WGPURenderPassColorAttachment color_attachment = {};
+  gpu_init_color_attachment(color_attachment, output_view);
+  color_attachment.loadOp = load_op;
+
+  WGPURenderPassDescriptor pass_desc = {};
+  pass_desc.colorAttachmentCount = 1;
+  pass_desc.colorAttachments = &color_attachment;
+
+  WGPURenderPassEncoder pass =
+      wgpuCommandEncoderBeginRenderPass(encoder, &pass_desc);
+  wgpuRenderPassEncoderSetPipeline(pass, pipeline);
+  wgpuRenderPassEncoderSetBindGroup(pass, 0, bind_group, 0, nullptr);
+  wgpuRenderPassEncoderDraw(pass, 3, 1, 0, 0);
+  wgpuRenderPassEncoderEnd(pass);
+  wgpuRenderPassEncoderRelease(pass);
+}
+
 void Effect::create_linear_sampler() {
   sampler_.set(gpu_create_linear_sampler(ctx_.device));
 }