[Mesa-dev] [RFC] [PATCH 1/2] mesa: let GL3 buf obj queries not depend on opengl major version

[Yuanhan Liu]

If I understand correctly, the new GL3 buffer object queries parameters,
like BUFFER_MAP_ACCESS_FLAGS, depends on ARB_map_buffer_range
extension.

Signed-off-by: Yuanhan Liu <yuanhan....@linux.intel.com>
---
 src/mesa/main/bufferobj.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/src/mesa/main/bufferobj.c b/src/mesa/main/bufferobj.c
index a303401..ba2275d 100644
--- a/src/mesa/main/bufferobj.c
+++ b/src/mesa/main/bufferobj.c
@@ -1155,17 +1155,17 @@ _mesa_GetBufferParameterivARB(GLenum target, GLenum 
pname, GLint *params)
       *params = _mesa_bufferobj_mapped(bufObj);
       return;
    case GL_BUFFER_ACCESS_FLAGS:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = bufObj->AccessFlags;
       return;
    case GL_BUFFER_MAP_OFFSET:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = (GLint) bufObj->Offset;
       return;
    case GL_BUFFER_MAP_LENGTH:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = (GLint) bufObj->Length;
       return;
@@ -1212,7 +1212,7 @@ _mesa_GetBufferParameteri64v(GLenum target, GLenum pname, 
GLint64 *params)
       *params = simplified_access_mode(bufObj->AccessFlags);
       return;
    case GL_BUFFER_ACCESS_FLAGS:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = bufObj->AccessFlags;
       return;
@@ -1220,12 +1220,12 @@ _mesa_GetBufferParameteri64v(GLenum target, GLenum 
pname, GLint64 *params)
       *params = _mesa_bufferobj_mapped(bufObj);
       return;
    case GL_BUFFER_MAP_OFFSET:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = bufObj->Offset;
       return;
    case GL_BUFFER_MAP_LENGTH:
-      if (ctx->VersionMajor < 3)
+      if (!ctx->Extensions.ARB_map_buffer_range)
          goto invalid_pname;
       *params = bufObj->Length;
       return;
-- 
1.7.4.4

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