diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.h | 14 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 37 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup.c | 6 | ||||
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_tri.c | 12 |
4 files changed, 43 insertions, 26 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.h b/src/gallium/drivers/llvmpipe/lp_rast.h index 44cb4032dad..72f897503d6 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.h +++ b/src/gallium/drivers/llvmpipe/lp_rast.h @@ -77,6 +77,11 @@ struct lp_rast_shader_inputs { * plus inputs to run the shader: */ struct lp_rast_triangle { + int minx; + int maxx; + int miny; + int maxy; + /* one-pixel sized trivial accept offsets for each plane */ float ei1; float ei2; @@ -97,8 +102,13 @@ struct lp_rast_triangle { float dx23; float dx31; - /* XXX: these are only used inside lp_setup_tri.c, don't really - * need to bin them: + /* edge function values at minx,miny ?? */ + float c1; + float c2; + float c3; + + /* XXX: this is only used inside lp_setup_tri.c, don't really + * need it here: */ float oneoverarea; diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index efc635bffea..7110afb9d57 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -158,21 +158,6 @@ void lp_rast_triangle( struct lp_rasterizer *rast, const union lp_rast_cmd_arg arg ) { const struct lp_rast_triangle *tri = arg.triangle; - int minx, maxx, miny, maxy; - - /* Clamp to tile dimensions: - */ - minx = MAX2(tri->maxx, rast->x); - miny = MAX2(tri->miny, rast->y); - maxx = MIN2(tri->maxx, rast->x + TILE_SIZE); - maxy = MIN2(tri->maxy, rast->y + TILE_SIZE); - - if (miny == maxy || - minx == maxx) { - debug_printf("%s: non-intersecting triangle in bin\n", __FUNCTION__); - //assert(0); - return; - } const int step = BLOCKSIZE; @@ -191,11 +176,33 @@ void lp_rast_triangle( struct lp_rasterizer *rast, float ystep1 = step * tri->dx12; float ystep2 = step * tri->dx23; float ystep3 = step * tri->dx31; + + /* Clamp to tile dimensions: + */ + int minx = MAX2(tri->maxx, rast->x); + int miny = MAX2(tri->miny, rast->y); + int maxx = MIN2(tri->maxx, rast->x + TILE_SIZE); + int maxy = MIN2(tri->maxy, rast->y + TILE_SIZE); + int x, y; + float x0, y0; + float c1, c2, c3; + + if (miny == maxy || minx == maxx) { + debug_printf("%s: non-intersecting triangle in bin\n", __FUNCTION__); + return; + } minx &= ~(step-1); miny &= ~(step-1); + x0 = (float)minx; + y0 = (float)miny; + + c1 = tri->c1 + tri->dx12 * y0 - tri->dy12 * x0; + c2 = tri->c2 + tri->dx23 * y0 - tri->dy23 * x0; + c3 = tri->c3 + tri->dx31 * y0 - tri->dy31 * x0; + for (y = miny; y < maxy; y += step) { float cx1 = c1; diff --git a/src/gallium/drivers/llvmpipe/lp_setup.c b/src/gallium/drivers/llvmpipe/lp_setup.c index c0c294fbe3f..56bbee1f7cb 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup.c +++ b/src/gallium/drivers/llvmpipe/lp_setup.c @@ -373,9 +373,9 @@ lp_setup_clear( struct setup_context *setup, void -lp_setup_set_tri_state( struct setup_context *setup, - unsigned cull_mode, - boolean ccw_is_frontface) +lp_setup_set_triangle_state( struct setup_context *setup, + unsigned cull_mode, + boolean ccw_is_frontface) { setup->ccw_is_frontface = ccw_is_frontface; setup->cullmode = cull_mode; diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c index f927f9df915..5c402259df0 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c @@ -315,9 +315,9 @@ do_triangle_ccw(struct setup_context *setup, /* half-edge constants, will be interated over the whole * rendertarget. */ - c1 = tri->dy12 * x1 - tri->dx12 * y1; - c2 = tri->dy23 * x2 - tri->dx23 * y2; - c3 = tri->dy31 * x3 - tri->dx31 * y3; + tri->c1 = tri->dy12 * x1 - tri->dx12 * y1; + tri->c2 = tri->dy23 * x2 - tri->dx23 * y2; + tri->c3 = tri->dy31 * x3 - tri->dx31 * y3; /* correct for top-left fill convention: */ @@ -351,9 +351,9 @@ do_triangle_ccw(struct setup_context *setup, minx &= ~(TILESIZE-1); /* aligned blocks */ miny &= ~(TILESIZE-1); /* aligned blocks */ - c1 += tri->dx12 * miny - tri->dy12 * minx; - c2 += tri->dx23 * miny - tri->dy23 * minx; - c3 += tri->dx31 * miny - tri->dy31 * minx; + c1 = tri->c1 + tri->dx12 * miny - tri->dy12 * minx; + c2 = tri->c2 + tri->dx23 * miny - tri->dy23 * minx; + c3 = tri->c3 + tri->dx31 * miny - tri->dy31 * minx; /* Convert to tile coordinates: */ |