diff options
| author | Brian Paul <brianp@vmware.com> | 2009-09-24 12:41:14 -0600 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2009-09-24 12:41:14 -0600 |
| commit | b849c6f1b3b38a68fae32d4dea16dd7431e41b6e (patch) | |
| tree | f1c3c59b35c4836e052a9b0ac901076018609a9d /src/mesa/drivers/dri/intel | |
| parent | f0339f502cf96499bc5cac8c0611f76f3fd39461 (diff) | |
intel: use default array/element buffers in intel_generate_mipmap()
If there happened to be a bound VBO when intel_generate_mipmap() was
called we blew up because of a bad vertex array pointer.
Fixes regnumonline, bug 23859.
Diffstat (limited to 'src/mesa/drivers/dri/intel')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_generatemipmap.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_generatemipmap.c b/src/mesa/drivers/dri/intel/intel_generatemipmap.c index fe986092db6..12059e122ca 100644 --- a/src/mesa/drivers/dri/intel/intel_generatemipmap.c +++ b/src/mesa/drivers/dri/intel/intel_generatemipmap.c @@ -125,6 +125,8 @@ intel_generate_mipmap_2d(GLcontext *ctx, GLuint fb_name; GLboolean success = GL_FALSE; struct gl_framebuffer *saved_fbo = NULL; + struct gl_buffer_object *saved_array_buffer = NULL; + struct gl_buffer_object *saved_element_buffer = NULL; _mesa_PushAttrib(GL_ENABLE_BIT | GL_TEXTURE_BIT | GL_CURRENT_BIT | GL_COLOR_BUFFER_BIT | @@ -133,6 +135,16 @@ intel_generate_mipmap_2d(GLcontext *ctx, old_active_texture = ctx->Texture.CurrentUnit; _mesa_reference_framebuffer(&saved_fbo, ctx->DrawBuffer); + /* use default array/index buffers */ + _mesa_reference_buffer_object(ctx, &saved_array_buffer, + ctx->Array.ArrayBufferObj); + _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, + ctx->Shared->NullBufferObj); + _mesa_reference_buffer_object(ctx, &saved_element_buffer, + ctx->Array.ElementArrayBufferObj); + _mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, + ctx->Shared->NullBufferObj); + _mesa_Disable(GL_POLYGON_STIPPLE); _mesa_Disable(GL_DEPTH_TEST); _mesa_Disable(GL_STENCIL_TEST); @@ -205,6 +217,15 @@ fail: meta_restore_fragment_program(&intel->meta); meta_restore_vertex_program(&intel->meta); + /* restore array/index buffers */ + _mesa_reference_buffer_object(ctx, &ctx->Array.ArrayBufferObj, + saved_array_buffer); + _mesa_reference_buffer_object(ctx, &saved_array_buffer, NULL); + _mesa_reference_buffer_object(ctx, &ctx->Array.ElementArrayBufferObj, + saved_element_buffer); + _mesa_reference_buffer_object(ctx, &saved_element_buffer, NULL); + + _mesa_DeleteFramebuffersEXT(1, &fb_name); _mesa_ActiveTextureARB(GL_TEXTURE0_ARB + old_active_texture); if (saved_fbo) |