mesa: add KHR_no_error support for some map buffer functions

Reviewed-by: Eric Anholt <eric@anholt.net>

5 files changed, 67 insertions, 4 deletions

diff --git a/src/mapi/glapi/gen/ARB_direct_state_access.xml b/src/mapi/glapi/gen/ARB_direct_state_access.xml
index 43841bb6c06..b147e7252e0 100644
--- a/src/mapi/glapi/gen/ARB_direct_state_access.xml
+++ b/src/mapi/glapi/gen/ARB_direct_state_access.xml
@@ -101,13 +101,13 @@
       <param name="data" type="const GLvoid *" />
    </function>
 
-   <function name="MapNamedBuffer">
+   <function name="MapNamedBuffer" no_error="true">
       <return type="GLvoid *" />
       <param name="buffer" type="GLuint" />
       <param name="access" type="GLenum" />
    </function>
 
-   <function name="MapNamedBufferRange">
+   <function name="MapNamedBufferRange" no_error="true">
       <return type="GLvoid *" />
       <param name="buffer" type="GLuint" />
       <param name="offset" type="GLintptr" />
diff --git a/src/mapi/glapi/gen/ARB_map_buffer_range.xml b/src/mapi/glapi/gen/ARB_map_buffer_range.xml
index cf7b211482d..b79b70a3081 100644
--- a/src/mapi/glapi/gen/ARB_map_buffer_range.xml
+++ b/src/mapi/glapi/gen/ARB_map_buffer_range.xml
@@ -15,7 +15,7 @@
     <enum name="MAP_FLUSH_EXPLICIT_BIT"      value="0x0010"/>
     <enum name="MAP_UNSYNCHRONIZED_BIT"      value="0x0020"/>
 
-    <function name="MapBufferRange" es2="3.0">
+    <function name="MapBufferRange" es2="3.0" no_error="true">
         <param name="target" type="GLenum"/>
         <param name="offset" type="GLintptr"/>
         <param name="length" type="GLsizeiptr"/>
diff --git a/src/mapi/glapi/gen/gl_API.xml b/src/mapi/glapi/gen/gl_API.xml
index 83f4c013ee1..29e4ba43de6 100644
--- a/src/mapi/glapi/gen/gl_API.xml
+++ b/src/mapi/glapi/gen/gl_API.xml
@@ -5097,7 +5097,7 @@
         <glx ignore="true"/>
     </function>
 
-    <function name="MapBuffer">
+    <function name="MapBuffer" no_error="true">
         <param name="target" type="GLenum"/>
         <param name="access" type="GLenum"/>
         <return type="GLvoid *"/>
diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index 797b6fb3069..d1726d68628 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -2576,6 +2576,19 @@ map_buffer_range(struct gl_context *ctx, struct gl_buffer_object *bufObj,
 }
 
 void * GLAPIENTRY
+_mesa_MapBufferRange_no_error(GLenum target, GLintptr offset,
+                              GLsizeiptr length, GLbitfield access)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+   struct gl_buffer_object *bufObj = *bufObjPtr;
+
+   return map_buffer_range(ctx, bufObj, offset, length, access,
+                           "glMapBufferRange");
+}
+
+void * GLAPIENTRY
 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
                      GLbitfield access)
 {
@@ -2601,6 +2614,17 @@ _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
 }
 
 void * GLAPIENTRY
+_mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
+                                   GLsizeiptr length, GLbitfield access)
+{
+   GET_CURRENT_CONTEXT(ctx);
+   struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+   return map_buffer_range(ctx, bufObj, offset, length, access,
+                           "glMapNamedBufferRange");
+}
+
+void * GLAPIENTRY
 _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length,
                           GLbitfield access)
 {
@@ -2652,6 +2676,21 @@ get_map_buffer_access_flags(struct gl_context *ctx, GLenum access,
 }
 
 void * GLAPIENTRY
+_mesa_MapBuffer_no_error(GLenum target, GLenum access)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   GLbitfield accessFlags;
+   get_map_buffer_access_flags(ctx, access, &accessFlags);
+
+   struct gl_buffer_object **bufObjPtr = get_buffer_target(ctx, target);
+   struct gl_buffer_object *bufObj = *bufObjPtr;
+
+   return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+                           "glMapBuffer");
+}
+
+void * GLAPIENTRY
 _mesa_MapBuffer(GLenum target, GLenum access)
 {
    GET_CURRENT_CONTEXT(ctx);
@@ -2676,6 +2715,20 @@ _mesa_MapBuffer(GLenum target, GLenum access)
 }
 
 void * GLAPIENTRY
+_mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access)
+{
+   GET_CURRENT_CONTEXT(ctx);
+
+   GLbitfield accessFlags;
+   get_map_buffer_access_flags(ctx, access, &accessFlags);
+
+   struct gl_buffer_object *bufObj = _mesa_lookup_bufferobj(ctx, buffer);
+
+   return map_buffer_range(ctx, bufObj, 0, bufObj->Size, accessFlags,
+                           "glMapNamedBuffer");
+}
+
+void * GLAPIENTRY
 _mesa_MapNamedBuffer(GLuint buffer, GLenum access)
 {
    GET_CURRENT_CONTEXT(ctx);
diff --git a/src/mesa/main/bufferobj.h b/src/mesa/main/bufferobj.h
index f9d887465dc..f95e31ab107 100644
--- a/src/mesa/main/bufferobj.h
+++ b/src/mesa/main/bufferobj.h
@@ -293,17 +293,27 @@ _mesa_CopyNamedBufferSubData(GLuint readBuffer, GLuint writeBuffer,
                              GLsizeiptr size);
 
 void * GLAPIENTRY
+_mesa_MapBufferRange_no_error(GLenum target, GLintptr offset,
+                              GLsizeiptr length, GLbitfield access);
+void * GLAPIENTRY
 _mesa_MapBufferRange(GLenum target, GLintptr offset, GLsizeiptr length,
                      GLbitfield access);
 
 void * GLAPIENTRY
+_mesa_MapNamedBufferRange_no_error(GLuint buffer, GLintptr offset,
+                                   GLsizeiptr length, GLbitfield access);
+void * GLAPIENTRY
 _mesa_MapNamedBufferRange(GLuint buffer, GLintptr offset, GLsizeiptr length,
                           GLbitfield access);
 
 void * GLAPIENTRY
+_mesa_MapBuffer_no_error(GLenum target, GLenum access);
+void * GLAPIENTRY
 _mesa_MapBuffer(GLenum target, GLenum access);
 
 void * GLAPIENTRY
+_mesa_MapNamedBuffer_no_error(GLuint buffer, GLenum access);
+void * GLAPIENTRY
 _mesa_MapNamedBuffer(GLuint buffer, GLenum access);