From a9600318ee044dcac16e7c5251a2a916f39b508f Mon Sep 17 00:00:00 2001
From: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Date: Wed, 31 May 2017 15:52:57 +0200
Subject: [PATCH] mesa: add KHR_no_error support for glBlitFramebuffer()

Signed-off-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>
---
 src/mapi/glapi/gen/ARB_framebuffer_object.xml |  2 +-
 src/mesa/main/blit.c                          | 15 +++++++++++++++
 src/mesa/main/blit.h                          |  6 ++++++
 3 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/src/mapi/glapi/gen/ARB_framebuffer_object.xml b/src/mapi/glapi/gen/ARB_framebuffer_object.xml
index 76114eb..26f495f 100644
--- a/src/mapi/glapi/gen/ARB_framebuffer_object.xml
+++ b/src/mapi/glapi/gen/ARB_framebuffer_object.xml
@@ -271,7 +271,7 @@
 	<glx vendorpriv="1428"/>
     </function>
 
-    <function name="BlitFramebuffer" es2="3.0">
+    <function name="BlitFramebuffer" es2="3.0" no_error="true">
         <param name="srcX0" type="GLint"/>
         <param name="srcY0" type="GLint"/>
         <param name="srcX1" type="GLint"/>
diff --git a/src/mesa/main/blit.c b/src/mesa/main/blit.c
index 029b5e1..c2efd7b 100644
--- a/src/mesa/main/blit.c
+++ b/src/mesa/main/blit.c
@@ -603,6 +603,21 @@ blit_framebuffer_err(struct gl_context *ctx,
  * when the samples must be resolved to a single color.
  */
 void GLAPIENTRY
+_mesa_BlitFramebuffer_no_error(GLint srcX0, GLint srcY0, GLint srcX1,
+                               GLint srcY1, GLint dstX0, GLint dstY0,
+                               GLint dstX1, GLint dstY1,
+                               GLbitfield mask, GLenum filter)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   blit_framebuffer(ctx, ctx->ReadBuffer, ctx->DrawBuffer,
+                    srcX0, srcY0, srcX1, srcY1,
+                    dstX0, dstY0, dstX1, dstY1,
+                    mask, filter, true, "glBlitFramebuffer");
+}
+
+
+void GLAPIENTRY
 _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
                       GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
                       GLbitfield mask, GLenum filter)
diff --git a/src/mesa/main/blit.h b/src/mesa/main/blit.h
index 1ca4f83..6397518 100644
--- a/src/mesa/main/blit.h
+++ b/src/mesa/main/blit.h
@@ -34,6 +34,12 @@ _mesa_regions_overlap(int srcX0, int srcY0,
                       int dstX0, int dstY0,
                       int dstX1, int dstY1);
 
+void GLAPIENTRY
+_mesa_BlitFramebuffer_no_error(GLint srcX0, GLint srcY0, GLint srcX1,
+                               GLint srcY1, GLint dstX0, GLint dstY0,
+                               GLint dstX1, GLint dstY1,
+                               GLbitfield mask, GLenum filter);
+
 extern void GLAPIENTRY
 _mesa_BlitFramebuffer(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
                          GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
-- 
2.7.4