diff options
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup.c | 58 |
1 files changed, 42 insertions, 16 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c index d45b34f3603..84e1963c445 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.c +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -167,22 +167,6 @@ quad_clip( struct setup_context *setup, struct quad_header *quad ) } -/** - * Emit a quad (pass to next stage) with clipping. - */ -static INLINE void -clip_emit_quad( struct setup_context *setup, struct quad_header *quad ) -{ - quad_clip( setup, quad ); - - if (quad->inout.mask) { - struct llvmpipe_context *lp = setup->llvmpipe; - - lp->quad.first->run( lp->quad.first, &quad, 1 ); - } -} - - /** * Given an X or Y coordinate, return the block/quad coordinate that it @@ -200,6 +184,48 @@ static INLINE int block_x( int x ) /** + * Emit a quad (pass to next stage) with clipping. + */ +static INLINE void +clip_emit_quad( struct setup_context *setup, struct quad_header *quad ) +{ + quad_clip( setup, quad ); + + if (quad->inout.mask) { + struct llvmpipe_context *lp = setup->llvmpipe; + +#if 1 + /* XXX: The blender expects 4 quads. This is far from efficient, but + * 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]; + int x0 = block_x(quad->input.x0); + unsigned i; + + for(i = 0; i < nr_quads; ++i) { + int x = x0 + 2*i; + if(x == quad->input.x0) + memcpy(&quads[i], quad, sizeof quads[i]); + else { + memset(&quads[i], 0, sizeof quads[i]); + quads[i].input.x0 = x; + quads[i].input.y0 = quad->input.y0; + quads[i].coef = quad->coef; + } + quad_ptrs[i] = &quads[i]; + } + + lp->quad.first->run( lp->quad.first, quad_ptrs, nr_quads ); +#else + lp->quad.first->run( lp->quad.first, &quad, 1 ); +#endif + } +} + + +/** * Render a horizontal span of quads */ static void flush_spans( struct setup_context *setup ) |