From 6d28bf917fb1d741d90fd3f05c22769376021fca Mon Sep 17 00:00:00 2001 From: Chia-I Wu Date: Fri, 16 Jul 2010 04:35:58 +0800 Subject: gallium: Implement draw_vbo and set_index_buffer for all drivers. Some drivers define a generic function that is called by all drawing functions. To implement draw_vbo for such drivers, either draw_vbo calls the generic function or the prototype of the generic function is changed to match draw_vbo. Other drivers have no such generic function. draw_vbo is implemented by calling either draw_arrays and draw_elements. For most drivers, set_index_buffer does not mark the state dirty for tracking. Instead, the index buffer state is emitted whenever draw_vbo is called, just like the case with draw_elements. It surely can be improved. --- src/gallium/drivers/r600/r600_draw.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) (limited to 'src/gallium/drivers/r600/r600_draw.c') diff --git a/src/gallium/drivers/r600/r600_draw.c b/src/gallium/drivers/r600/r600_draw.c index b248beaf8c..eeaa677edb 100644 --- a/src/gallium/drivers/r600/r600_draw.c +++ b/src/gallium/drivers/r600/r600_draw.c @@ -225,3 +225,30 @@ void r600_draw_arrays(struct pipe_context *ctx, unsigned mode, draw.index_buffer = NULL; r600_draw_common(&draw); } + +void r600_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info) +{ + struct r600_context *rctx = r600_context(ctx); + struct r600_draw draw; + + assert(info->index_bias == 0); + + draw.ctx = ctx; + draw.mode = info->mode; + draw.start = info->start; + draw.count = info->count; + if (info->indexed && rctx->index_buffer.buffer) { + draw.index_size = rctx->index_buffer.index_size; + draw.index_buffer = rctx->index_buffer.buffer; + + assert(rctx->index_buffer.offset % + rctx->index_buffer.index_size == 0); + draw.start += rctx->index_buffer.offset / + rctx->index_buffer.index_size; + } + else { + draw.index_size = 0; + draw.index_buffer = NULL; + } + r600_draw_common(&draw); +} -- cgit v1.2.3