diff options
Diffstat (limited to 'src/mesa/vbo/vbo_exec_draw.c')
| -rw-r--r-- | src/mesa/vbo/vbo_exec_draw.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/src/mesa/vbo/vbo_exec_draw.c b/src/mesa/vbo/vbo_exec_draw.c index 86155d220d..7ec431a237 100644 --- a/src/mesa/vbo/vbo_exec_draw.c +++ b/src/mesa/vbo/vbo_exec_draw.c @@ -182,13 +182,25 @@ static void vbo_exec_bind_arrays( GLcontext *ctx ) * arrays of floats. */ for (attr = 0; attr < VERT_ATTRIB_MAX ; attr++) { - GLuint src = map[attr]; + const GLuint src = map[attr]; if (exec->vtx.attrsz[src]) { /* override the default array set above */ exec->vtx.inputs[attr] = &arrays[attr]; - arrays[attr].Ptr = (void *)data; + if (exec->vtx.bufferobj->Name) { + /* a real buffer obj: Ptr is an offset, not a pointer*/ + int offset; + assert(exec->vtx.bufferobj->Pointer); /* buf should be mapped */ + offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer; + assert(offset >= 0); + arrays[attr].Ptr = (void *) offset; + } + else { + /* Ptr into ordinary app memory */ + arrays[attr].Ptr = (void *) data; + } + arrays[attr].Size = exec->vtx.attrsz[src]; arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat); arrays[attr].Stride = exec->vtx.vertex_size * sizeof(GLfloat); @@ -222,8 +234,18 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec ) if (exec->vtx.copied.nr != exec->vtx.vert_count) { GLcontext *ctx = exec->ctx; + GLenum target = GL_ARRAY_BUFFER_ARB; + GLenum access = GL_READ_WRITE_ARB; + GLenum usage = GL_STREAM_DRAW_ARB; + GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat); + + /* Before the unmap (why?) + */ vbo_exec_bind_arrays( ctx ); + ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj); + exec->vtx.buffer_map = NULL; + vbo_context(ctx)->draw_prims( ctx, exec->vtx.inputs, exec->vtx.prim, @@ -231,6 +253,12 @@ void vbo_exec_vtx_flush( struct vbo_exec_context *exec ) NULL, 0, exec->vtx.vert_count - 1); + + /* Get new data: + */ + ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj); + exec->vtx.buffer_map + = ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj); } } |