* 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]) {
- 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);
arrays[attr].Type = GL_FLOAT;
arrays[attr].Enabled = 1;
- arrays[attr].BufferObj = exec->vtx.bufferobj; /* NullBufferObj */
+ arrays[attr].BufferObj = exec->vtx.bufferobj;
arrays[attr]._MaxElement = count; /* ??? */
data += exec->vtx.attrsz[attr] * sizeof(GLfloat);
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,
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);
}
}