source/blender/draw/engines/eevee_next/eevee_shadow.cc

@@ -836,8 +836,7 @@ void ShadowModule::end_sync()
     tilemap_pool.tiles_data.clear_to_zero();
 
     /* Clear cached page buffer. */
-    int2 data = {-1, -1};
-    GPU_storagebuf_clear(pages_cached_data_, GPU_RG32I, GPU_DATA_INT, &data);
+    GPU_storagebuf_clear(pages_cached_data_, -1);
 
     /* Reset info to match new state. */
     pages_infos_data_.page_free_count = shadow_page_len_;

source/blender/draw/engines/workbench/workbench_shadow.cc

@@ -220,14 +220,14 @@ void ShadowPass::ShadowView::compute_visibility(ObjectBoundsBuf &bounds,
   uint words_len = (view_len_ == 1) ? divide_ceil_u(resource_len, 32) :
                                       resource_len * word_per_draw;
   words_len = ceil_to_multiple_u(max_ii(1, words_len), 4);
-  uint32_t data = 0xFFFFFFFFu;
+  const uint32_t data = 0xFFFFFFFFu;
 
   if (current_pass_type_ == ShadowPass::PASS) {
     /* TODO(fclem): Resize to nearest pow2 to reduce fragmentation. */
     pass_visibility_buf_.resize(words_len);
-    GPU_storagebuf_clear(pass_visibility_buf_, GPU_R32UI, GPU_DATA_UINT, &data);
+    GPU_storagebuf_clear(pass_visibility_buf_, data);
     fail_visibility_buf_.resize(words_len);
-    GPU_storagebuf_clear(fail_visibility_buf_, GPU_R32UI, GPU_DATA_UINT, &data);
+    GPU_storagebuf_clear(fail_visibility_buf_, data);
   }
   else if (current_pass_type_ == ShadowPass::FAIL) {
     /* Already computed in the ShadowPass::PASS */
@@ -236,7 +236,7 @@ void ShadowPass::ShadowView::compute_visibility(ObjectBoundsBuf &bounds,
   }
   else {
     visibility_buf_.resize(words_len);
-    GPU_storagebuf_clear(visibility_buf_, GPU_R32UI, GPU_DATA_UINT, &data);
+    GPU_storagebuf_clear(visibility_buf_, data);
   }
 
   if (do_visibility_) {

source/blender/draw/intern/draw_view.cc

@@ -280,8 +280,8 @@ void View::compute_visibility(ObjectBoundsBuf &bounds, uint resource_len, bool d
   /* TODO(fclem): Resize to nearest pow2 to reduce fragmentation. */
   visibility_buf_.resize(words_len);
 
-  uint32_t data = 0xFFFFFFFFu;
-  GPU_storagebuf_clear(visibility_buf_, GPU_R32UI, GPU_DATA_UINT, &data);
+  const uint32_t data = 0xFFFFFFFFu;
+  GPU_storagebuf_clear(visibility_buf_, data);
 
   if (do_visibility_) {
     GPUShader *shader = DRW_shader_draw_visibility_compute_get();

source/blender/gpu/GPU_storage_buffer.h

@@ -39,12 +39,14 @@ void GPU_storagebuf_bind(GPUStorageBuf *ssbo, int slot);
 void GPU_storagebuf_unbind(GPUStorageBuf *ssbo);
 void GPU_storagebuf_unbind_all(void);
 
-void GPU_storagebuf_clear(GPUStorageBuf *ssbo,
-                          eGPUTextureFormat internal_format,
-                          eGPUDataFormat data_format,
-                          void *data);
 void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo);
 
+/**
+ * Clear the content of the buffer using the given #clear_value. #clear_value will be used as a
+ * repeatable pattern of 32bits.
+ */
+void GPU_storagebuf_clear(GPUStorageBuf *ssbo, uint32_t clear_value);
+
 /**
  * Read back content of the buffer to CPU for inspection.
  * Slow! Only use for inspection / debugging.

source/blender/gpu/intern/gpu_storage_buffer.cc

@@ -89,18 +89,14 @@ void GPU_storagebuf_unbind_all()
   /* FIXME */
 }
 
-void GPU_storagebuf_clear(GPUStorageBuf *ssbo,
-                          eGPUTextureFormat internal_format,
-                          eGPUDataFormat data_format,
-                          void *data)
-{
-  unwrap(ssbo)->clear(internal_format, data_format, data);
-}
-
 void GPU_storagebuf_clear_to_zero(GPUStorageBuf *ssbo)
 {
-  uint32_t data = 0u;
-  GPU_storagebuf_clear(ssbo, GPU_R32UI, GPU_DATA_UINT, &data);
+  GPU_storagebuf_clear(ssbo, 0);
+}
+
+void GPU_storagebuf_clear(GPUStorageBuf *ssbo, uint32_t clear_value)
+{
+  unwrap(ssbo)->clear(clear_value);
 }
 
 void GPU_storagebuf_copy_sub_from_vertbuf(

source/blender/gpu/intern/gpu_storage_buffer_private.hh

@@ -7,6 +7,7 @@
 
 #pragma once
 
+#include "BLI_span.hh"
 #include "BLI_sys_types.h"
 
 struct GPUStorageBuf;
@@ -42,9 +43,7 @@ class StorageBuf {
   virtual void update(const void *data) = 0;
   virtual void bind(int slot) = 0;
   virtual void unbind() = 0;
-  virtual void clear(eGPUTextureFormat internal_format,
-                     eGPUDataFormat data_format,
-                     void *data) = 0;
+  virtual void clear(uint32_t clear_value) = 0;
   virtual void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) = 0;
   virtual void read(void *data) = 0;
 };

source/blender/gpu/opengl/gl_storage_buffer.cc

@@ -117,27 +117,20 @@ void GLStorageBuf::unbind()
   slot_ = 0;
 }
 
-void GLStorageBuf::clear(eGPUTextureFormat internal_format, eGPUDataFormat data_format, void *data)
+void GLStorageBuf::clear(uint32_t clear_value)
 {
   if (ssbo_id_ == 0) {
     this->init();
   }
 
   if (GLContext::direct_state_access_support) {
-    glClearNamedBufferData(ssbo_id_,
-                           to_gl_internal_format(internal_format),
-                           to_gl_data_format(internal_format),
-                           to_gl(data_format),
-                           data);
+    glClearNamedBufferData(ssbo_id_, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, &clear_value);
   }
   else {
     /* WATCH(@fclem): This should be ok since we only use clear outside of drawing functions. */
     glBindBuffer(GL_SHADER_STORAGE_BUFFER, ssbo_id_);
-    glClearBufferData(GL_SHADER_STORAGE_BUFFER,
-                      to_gl_internal_format(internal_format),
-                      to_gl_data_format(internal_format),
-                      to_gl(data_format),
-                      data);
+    glClearBufferData(
+        GL_SHADER_STORAGE_BUFFER, GL_R32UI, GL_RED_INTEGER, GL_UNSIGNED_INT, &clear_value);
     glBindBuffer(GL_SHADER_STORAGE_BUFFER, 0);
   }
 }

source/blender/gpu/opengl/gl_storage_buffer.hh

@@ -33,7 +33,7 @@ class GLStorageBuf : public StorageBuf {
   void update(const void *data) override;
   void bind(int slot) override;
   void unbind() override;
-  void clear(eGPUTextureFormat internal_format, eGPUDataFormat data_format, void *data) override;
+  void clear(uint32_t clear_value) override;
   void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) override;
   void read(void *data) override;
 

source/blender/gpu/vulkan/vk_storage_buffer.cc

@@ -43,11 +43,10 @@ void VKStorageBuffer::unbind()
 {
 }
 
-void VKStorageBuffer::clear(eGPUTextureFormat /*internal_format*/,
-                            eGPUDataFormat /*data_format*/,
-                            void * /*data*/)
+void VKStorageBuffer::clear(uint32_t /*clear_value*/)
 {
 }
+
 void VKStorageBuffer::copy_sub(VertBuf * /*src*/,
                                uint /*dst_offset*/,
                                uint /*src_offset*/,

source/blender/gpu/vulkan/vk_storage_buffer.hh

@@ -30,7 +30,7 @@ class VKStorageBuffer : public StorageBuf {
   void update(const void *data) override;
   void bind(int slot) override;
   void unbind() override;
-  void clear(eGPUTextureFormat internal_format, eGPUDataFormat data_format, void *data) override;
+  void clear(uint32_t clear_value) override;
   void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) override;
   void read(void *data) override;