diff options
Diffstat (limited to 'src/mesa/vbo/vbo_exec_api.c')
-rw-r--r-- | src/mesa/vbo/vbo_exec_api.c | 36 |
1 files changed, 27 insertions, 9 deletions
diff --git a/src/mesa/vbo/vbo_exec_api.c b/src/mesa/vbo/vbo_exec_api.c index 6871ee5cab..b746a77bc1 100644 --- a/src/mesa/vbo/vbo_exec_api.c +++ b/src/mesa/vbo/vbo_exec_api.c @@ -51,6 +51,10 @@ USE OR OTHER DEALINGS IN THE SOFTWARE. #endif +/** ID/name for immediate-mode VBO */ +#define IMM_BUFFER_NAME 0xaabbccdd + + static void reset_attrfv( struct vbo_exec_context *exec ); @@ -665,7 +669,7 @@ void vbo_use_buffer_objects(GLcontext *ctx) /* Any buffer name but 0 can be used here since this bufferobj won't * go into the bufferobj hashtable. */ - GLuint bufName = 0xaabbccdd; + GLuint bufName = IMM_BUFFER_NAME; GLenum target = GL_ARRAY_BUFFER_ARB; GLenum usage = GL_STREAM_DRAW_ARB; GLsizei size = VBO_VERT_BUFFER_SIZE; @@ -727,19 +731,33 @@ void vbo_exec_vtx_init( struct vbo_exec_context *exec ) void vbo_exec_vtx_destroy( struct vbo_exec_context *exec ) { - if (exec->vtx.bufferobj->Name) { - /* using a real VBO for vertex data */ - GLcontext *ctx = exec->ctx; - _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); - } - else { - /* just using malloc'd space for vertex data */ - if (exec->vtx.buffer_map) { + /* using a real VBO for vertex data */ + GLcontext *ctx = exec->ctx; + unsigned i; + + /* True VBOs should already be unmapped + */ + if (exec->vtx.buffer_map) { + ASSERT(exec->vtx.bufferobj->Name == 0 || + exec->vtx.bufferobj->Name == IMM_BUFFER_NAME); + if (exec->vtx.bufferobj->Name == 0) { ALIGN_FREE(exec->vtx.buffer_map); exec->vtx.buffer_map = NULL; exec->vtx.buffer_ptr = NULL; } } + + /* Drop any outstanding reference to the vertex buffer + */ + for (i = 0; i < Elements(exec->vtx.arrays); i++) { + _mesa_reference_buffer_object(ctx, + &exec->vtx.arrays[i].BufferObj, + NULL); + } + + /* Free the vertex buffer: + */ + _mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL); } void vbo_exec_BeginVertices( GLcontext *ctx ) |