From def908af6ce9c7ab39c768d7c5a85375c463869d Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Tue, 23 May 2017 23:45:49 +0200
Subject: mesa: add KHR_no_error support for glBindImageTexture()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/ARB_shader_image_load_store.xml |  2 +-
 src/mesa/main/shaderimage.c                        | 15 +++++++++++++++
 src/mesa/main/shaderimage.h                        |  5 +++++
 3 files changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/ARB_shader_image_load_store.xml b/src/mapi/glapi/gen/ARB_shader_image_load_store.xml
index 178e930f1d5..6e9ee1fffb8 100644
--- a/src/mapi/glapi/gen/ARB_shader_image_load_store.xml
+++ b/src/mapi/glapi/gen/ARB_shader_image_load_store.xml
@@ -70,7 +70,7 @@
 <enum name="MAX_FRAGMENT_IMAGE_UNIFORMS" value="0x90CE"/>
 <enum name="MAX_COMBINED_IMAGE_UNIFORMS" value="0x90CF"/>
 
-<function name="BindImageTexture" es2="3.1">
+<function name="BindImageTexture" es2="3.1" no_error="true">
   <param name="unit" type="GLuint"/>
   <param name="texture" type="GLuint"/>
   <param name="level" type="GLint"/>
diff --git a/src/mesa/main/shaderimage.c b/src/mesa/main/shaderimage.c
index 19011d80b9e..494125346b4 100644
--- a/src/mesa/main/shaderimage.c
+++ b/src/mesa/main/shaderimage.c
@@ -601,6 +601,21 @@ bind_image_texture(struct gl_context *ctx, struct gl_texture_object *texObj,
    set_image_binding(u, texObj, level, layered, layer, access, format);
 }
 
+void GLAPIENTRY
+_mesa_BindImageTexture_no_error(GLuint unit, GLuint texture, GLint level,
+                                GLboolean layered, GLint layer, GLenum access,
+                                GLenum format)
+{
+   struct gl_texture_object *texObj = NULL;
+
+   GET_CURRENT_CONTEXT(ctx);
+
+   if (texture)
+      texObj = _mesa_lookup_texture(ctx, texture);
+
+   bind_image_texture(ctx, texObj, unit, level, layered, layer, access, format);
+}
+
 void GLAPIENTRY
 _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level,
                        GLboolean layered, GLint layer, GLenum access,
diff --git a/src/mesa/main/shaderimage.h b/src/mesa/main/shaderimage.h
index 99dddb77dfc..b2b22bbf863 100644
--- a/src/mesa/main/shaderimage.h
+++ b/src/mesa/main/shaderimage.h
@@ -79,6 +79,11 @@ _mesa_init_image_units(struct gl_context *ctx);
 GLboolean
 _mesa_is_image_unit_valid(struct gl_context *ctx, struct gl_image_unit *u);
 
+void GLAPIENTRY
+_mesa_BindImageTexture_no_error(GLuint unit, GLuint texture, GLint level,
+                                GLboolean layered, GLint layer, GLenum access,
+                                GLenum format);
+
 void GLAPIENTRY
 _mesa_BindImageTexture(GLuint unit, GLuint texture, GLint level,
                        GLboolean layered, GLint layer, GLenum access,
-- 
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