From cbb57bf726619a34a244acaebf0dcd77750cba54 Mon Sep 17 00:00:00 2001 From: José Fonseca Date: Sat, 3 Oct 2009 19:42:22 +0100 Subject: llvmpipe: Fetch tile only if a color buffer is bound. --- src/gallium/drivers/llvmpipe/lp_setup.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'src/gallium/drivers/llvmpipe/lp_setup.c') diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c index 2d2fc19a65..60107214df 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.c +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -124,7 +124,7 @@ shade_quads(struct llvmpipe_context *llvmpipe, struct quad_header *quad = quads[0]; const unsigned x = quad->input.x0; const unsigned y = quad->input.y0; - uint8_t *tile = lp_get_cached_tile(llvmpipe->cbuf_cache[0], x, y); + uint8_t *tile; uint8_t *color; void *depth; uint32_t ALIGN16_ATTRIB mask[4][NUM_CHANNELS]; @@ -150,7 +150,13 @@ shade_quads(struct llvmpipe_context *llvmpipe, mask[q][chan_index] = quads[q]->inout.mask & (1 << chan_index) ? ~0 : 0; /* color buffer */ - color = &TILE_PIXEL(tile, x & (TILE_SIZE-1), y & (TILE_SIZE-1), 0); + if(llvmpipe->framebuffer.nr_cbufs >= 1 && + llvmpipe->framebuffer.cbufs[0]) { + tile = lp_get_cached_tile(llvmpipe->cbuf_cache[0], x, y); + color = &TILE_PIXEL(tile, x & (TILE_SIZE-1), y & (TILE_SIZE-1), 0); + } + else + color = NULL; /* depth buffer */ if(llvmpipe->zsbuf_map) { -- cgit v1.2.3