diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c index 2d2fc19a65..c43b3da450 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.c +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -115,6 +115,7 @@ struct setup_context { /** * Execute fragment shader for the four fragments in the quad. */ +ALIGN_STACK static void shade_quads(struct llvmpipe_context *llvmpipe, struct quad_header *quads[], @@ -124,7 +125,7 @@ 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 +151,13 @@ 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) { @@ -271,11 +278,13 @@ clip_emit_quad( struct setup_context *setup, struct quad_header *quad ) * until we codegenerate single-quad variants of the fragment pipeline * we need this hack. */ const unsigned nr_quads = TILE_VECTOR_HEIGHT*TILE_VECTOR_WIDTH/QUAD_SIZE; - struct quad_header quads[nr_quads]; - struct quad_header *quad_ptrs[nr_quads]; + struct quad_header quads[4]; + struct quad_header *quad_ptrs[4]; int x0 = block_x(quad->input.x0); unsigned i; + assert(nr_quads == 4); + for(i = 0; i < nr_quads; ++i) { int x = x0 + 2*i; if(x == quad->input.x0) |