From 03fbb3de2436d805766db9371ed17963348fce17 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Cl=C3=A9ment=20Foucault?= <foucault.clem@gmail.com>
Date: Fri, 4 Feb 2022 19:46:40 +0100
Subject: GPUState: Add more barrier types

This will be useful when compute shader will be used more.

Refer to the opengl documentation for their meaning.
https://www.khronos.org/registry/OpenGL-Refpages/gl4/html/glMemoryBarrier.xhtml
---
 source/blender/gpu/GPU_state.h        | 13 ++++++++-----
 source/blender/gpu/opengl/gl_state.hh | 13 +++++++++++--
 2 files changed, 19 insertions(+), 7 deletions(-)

(limited to 'source/blender')

diff --git a/source/blender/gpu/GPU_state.h b/source/blender/gpu/GPU_state.h
index 22cd7eab927..bd52b8321bb 100644
--- a/source/blender/gpu/GPU_state.h
+++ b/source/blender/gpu/GPU_state.h
@@ -37,11 +37,14 @@ ENUM_OPERATORS(eGPUWriteMask, GPU_WRITE_COLOR)
 
 typedef enum eGPUBarrier {
   GPU_BARRIER_NONE = 0,
-  GPU_BARRIER_SHADER_IMAGE_ACCESS = (1 << 0),
-  GPU_BARRIER_TEXTURE_FETCH = (1 << 1),
-  GPU_BARRIER_SHADER_STORAGE = (1 << 2),
-  GPU_BARRIER_VERTEX_ATTRIB_ARRAY = (1 << 3),
-  GPU_BARRIER_ELEMENT_ARRAY = (1 << 4),
+  GPU_BARRIER_COMMAND = (1 << 0),
+  GPU_BARRIER_FRAMEBUFFER = (1 << 1),
+  GPU_BARRIER_SHADER_IMAGE_ACCESS = (1 << 2),
+  GPU_BARRIER_SHADER_STORAGE = (1 << 3),
+  GPU_BARRIER_TEXTURE_FETCH = (1 << 4),
+  GPU_BARRIER_TEXTURE_UPDATE = (1 << 5),
+  GPU_BARRIER_VERTEX_ATTRIB_ARRAY = (1 << 6),
+  GPU_BARRIER_ELEMENT_ARRAY = (1 << 7),
 } eGPUBarrier;
 
 ENUM_OPERATORS(eGPUBarrier, GPU_BARRIER_ELEMENT_ARRAY)
diff --git a/source/blender/gpu/opengl/gl_state.hh b/source/blender/gpu/opengl/gl_state.hh
index 83ff3ffc9e9..5985f1583f2 100644
--- a/source/blender/gpu/opengl/gl_state.hh
+++ b/source/blender/gpu/opengl/gl_state.hh
@@ -124,11 +124,20 @@ static inline GLbitfield to_gl(eGPUBarrier barrier_bits)
   if (barrier_bits & GPU_BARRIER_SHADER_IMAGE_ACCESS) {
     barrier |= GL_SHADER_IMAGE_ACCESS_BARRIER_BIT;
   }
+  if (barrier_bits & GPU_BARRIER_SHADER_STORAGE) {
+    barrier |= GL_SHADER_STORAGE_BARRIER_BIT;
+  }
   if (barrier_bits & GPU_BARRIER_TEXTURE_FETCH) {
     barrier |= GL_TEXTURE_FETCH_BARRIER_BIT;
   }
-  if (barrier_bits & GPU_BARRIER_SHADER_STORAGE) {
-    barrier |= GL_SHADER_STORAGE_BARRIER_BIT;
+  if (barrier_bits & GPU_BARRIER_TEXTURE_UPDATE) {
+    barrier |= GL_TEXTURE_UPDATE_BARRIER_BIT;
+  }
+  if (barrier_bits & GPU_BARRIER_COMMAND) {
+    barrier |= GL_COMMAND_BARRIER_BIT;
+  }
+  if (barrier_bits & GPU_BARRIER_FRAMEBUFFER) {
+    barrier |= GL_FRAMEBUFFER_BARRIER_BIT;
   }
   if (barrier_bits & GPU_BARRIER_VERTEX_ATTRIB_ARRAY) {
     barrier |= GL_VERTEX_ATTRIB_ARRAY_BARRIER_BIT;
-- 
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