diff options
author | José Fonseca <jfonseca@vmware.com> | 2009-10-08 19:53:14 +0100 |
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committer | José Fonseca <jfonseca@vmware.com> | 2009-10-08 19:53:14 +0100 |
commit | 7ef36171d5d58b97ffa179f824d77a9c339a7ae4 (patch) | |
tree | 6319279c2e8a31c2ff4c5e28d50bcd2afce93cc9 /src/gallium | |
parent | 07ee87e6645318a34a395a50f4e8d554d118d24f (diff) |
llvmpipe: Call lp_rast_shade_quads from tri rasterizer.
Diffstat (limited to 'src/gallium')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast.h | 3 | ||||
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_rast_tri.c | 276 |
2 files changed, 90 insertions, 189 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.h b/src/gallium/drivers/llvmpipe/lp_rast.h index 0aa111b472..41a7f5ebbf 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast.h +++ b/src/gallium/drivers/llvmpipe/lp_rast.h @@ -92,6 +92,9 @@ struct lp_rast_triangle { float dx12; float dx23; float dx31; + + /* inputs for the shader */ + struct lp_rast_shader_inputs *inputs; }; struct clear_tile { diff --git a/src/gallium/drivers/llvmpipe/lp_rast_tri.c b/src/gallium/drivers/llvmpipe/lp_rast_tri.c index 896ac253a0..138d6f55e0 100644 --- a/src/gallium/drivers/llvmpipe/lp_rast_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_rast_tri.c @@ -29,80 +29,46 @@ * Rasterization for binned triangles within a tile */ +#include "util/u_math.h" #include "lp_quad.h" -#include "lp_quad_pipe.h" #include "lp_rast_priv.h" +#include "lp_tile_soa.h" -#define BLOCKSIZE 4 +#define BLOCKSIZE 8 /* Convert 8x8 block into four runs of quads and render each in turn. */ #if (BLOCKSIZE == 8) -static void block_full( struct lp_rast_triangle *tri, int x, int y ) +static void block_full( struct lp_rasterizer *rast, + const struct lp_rast_triangle *tri, + int x, int y ) { - struct quad_header *ptrs[4]; - int i; - - tri->quad[0].input.x0 = x + 0; - tri->quad[1].input.x0 = x + 2; - tri->quad[2].input.x0 = x + 4; - tri->quad[3].input.x0 = x + 6; - - for (i = 0; i < 4; i++, y += 2) { - tri->quad[0].inout.mask = 0xf; - tri->quad[1].inout.mask = 0xf; - tri->quad[2].inout.mask = 0xf; - tri->quad[3].inout.mask = 0xf; - - tri->quad[0].input.y0 = y; - tri->quad[1].input.y0 = y; - tri->quad[2].input.y0 = y; - tri->quad[3].input.y0 = y; - - /* XXX: don't bother with this ptrs business */ - ptrs[0] = &tri->quad[0]; - ptrs[1] = &tri->quad[1]; - ptrs[2] = &tri->quad[2]; - ptrs[3] = &tri->quad[3]; - - tri->llvmpipe->quad.first->run( tri->llvmpipe->quad.first, ptrs, 4 ); - } + const unsigned masks[4] = {~0, ~0, ~0, ~0}; + int iy; + + for (iy = 0; iy < 8; iy += 2) + lp_rast_shade_quads(rast, tri->inputs, x, y + iy, masks); } #else -static void block_full( struct lp_rast_triangle *tri, int x, int y ) +static void block_full( struct lp_rasterizer *rast, + const struct lp_rast_triangle *tri, + int x, int y ) { - struct quad_header *ptrs[4]; + const unsigned masks[4] = {~0, ~0, 0, 0}; /* FIXME: Wasting quads!!! */ int iy; - tri->quad[0].input.x0 = x + 0; - tri->quad[1].input.x0 = x + 2; - - for (iy = 0; iy < 4; iy += 2) { - tri->quad[0].inout.mask = 0xf; - tri->quad[1].inout.mask = 0xf; - - tri->quad[0].input.y0 = y + iy; - tri->quad[1].input.y0 = y + iy; - - /* XXX: don't bother with this ptrs business */ - ptrs[0] = &tri->quad[0]; - ptrs[1] = &tri->quad[1]; - - tri->llvmpipe->quad.first->run( tri->llvmpipe->quad.first, ptrs, 2 ); - } + for (iy = 0; iy < 4; iy += 2) + lp_rast_shade_quads(rast, tri->inputs, x, y + iy, masks); } #endif -static void -do_quad( struct lp_rasterizer *rast, +static INLINE unsigned +do_quad( const struct lp_rast_triangle *tri, int x, int y, float c1, float c2, float c3 ) { - struct lp_rast_triangle *tri = rast->tri; - struct quad_header *quad = &rast->quad[0]; - float xstep1 = -tri->dy12; float xstep2 = -tri->dy23; float xstep3 = -tri->dy31; @@ -111,43 +77,41 @@ do_quad( struct lp_rasterizer *rast, float ystep2 = tri->dx23; float ystep3 = tri->dx31; - quad->input.x0 = x; - quad->input.y0 = y; - quad->inout.mask = 0; + unsigned mask = 0; if (c1 > 0 && c2 > 0 && c3 > 0) - quad->inout.mask |= 1; + mask |= 1; if (c1 + xstep1 > 0 && c2 + xstep2 > 0 && c3 + xstep3 > 0) - quad->inout.mask |= 2; + mask |= 2; if (c1 + ystep1 > 0 && c2 + ystep2 > 0 && c3 + ystep3 > 0) - quad->inout.mask |= 4; + mask |= 4; if (c1 + ystep1 + xstep1 > 0 && c2 + ystep2 + xstep2 > 0 && c3 + ystep3 + xstep3 > 0) - quad->inout.mask |= 8; + mask |= 8; - if (quad->inout.mask) - rast->state->run( rast->state->state, &quad, 1 ); + return mask; } /* Evaluate each pixel in a block, generate a mask and possibly render * the quad: */ static void -do_block( struct lp_rast_triangle *tri, - int x, int y, - float c1, - float c2, - float c3 ) +do_block( struct lp_rasterizer *rast, + const struct lp_rast_triangle *tri, + int x, int y, + float c1, + float c2, + float c3 ) { const int step = 2; @@ -166,19 +130,24 @@ do_block( struct lp_rast_triangle *tri, float cx2 = c2; float cx3 = c3; + unsigned masks[4] = {0, 0, 0, 0}; + for (ix = 0; ix < BLOCKSIZE; ix += 2) { - do_quad(tri, x+ix, y+iy, cx1, cx2, cx3); + masks[ix >> 1] = do_quad(tri, x + ix, y + iy, cx1, cx2, cx3); cx1 += xstep1; cx2 += xstep2; cx3 += xstep3; } + lp_rast_shade_quads(rast, tri->inputs, x, y + iy, masks); + c1 += ystep1; c2 += ystep2; c3 += ystep3; } + } @@ -187,8 +156,9 @@ do_block( struct lp_rast_triangle *tri, * for this triangle: */ void lp_rast_triangle( struct lp_rasterizer *rast, - const struct lp_rast_triangle *tri ) + const union lp_rast_cmd_arg *arg ) { + const struct lp_rast_triangle *tri = arg->triangle; int minx, maxx, miny, maxy; /* Clamp to tile dimensions: @@ -205,136 +175,64 @@ void lp_rast_triangle( struct lp_rasterizer *rast, return; } - /* Bind parameter interpolants: - */ - for (i = 0; i < Elements(rast->quad); i++) { - rast->quad[i].coef = tri->coef; - rast->quad[i].posCoef = &tri->position_coef; - } - - /* Small area? - */ - if (miny + 16 > maxy && - minx + 16 > maxx) - { - const int step = 2; + const int step = BLOCKSIZE; - float xstep1 = -step * tri->dy12; - float xstep2 = -step * tri->dy23; - float xstep3 = -step * tri->dy31; + float ei1 = tri->ei1 * step; + float ei2 = tri->ei2 * step; + float ei3 = tri->ei3 * step; - float ystep1 = step * tri->dx12; - float ystep2 = step * tri->dx23; - float ystep3 = step * tri->dx31; + float eo1 = tri->eo1 * step; + float eo2 = tri->eo2 * step; + float eo3 = tri->eo3 * step; - float eo1 = tri->eo1 * step; - float eo2 = tri->eo2 * step; - float eo3 = tri->eo3 * step; + float xstep1 = -step * tri->dy12; + float xstep2 = -step * tri->dy23; + float xstep3 = -step * tri->dy31; - int x, y; + float ystep1 = step * tri->dx12; + float ystep2 = step * tri->dx23; + float ystep3 = step * tri->dx31; + int x, y; - minx &= ~(step-1); - maxx &= ~(step-1); + minx &= ~(step-1); + miny &= ~(step-1); - /* Subdivide space into NxM blocks, where each block is square and - * power-of-four in dimension. - * - * Trivially accept or reject blocks, else jump to per-pixel - * examination above. - */ - for (y = miny; y < maxy; y += step) - { - float cx1 = c1; - float cx2 = c2; - float cx3 = c3; - - for (x = minx; x < maxx; x += step) - { - if (cx1 + eo1 < 0 || - cx2 + eo2 < 0 || - cx3 + eo3 < 0) - { - } - else - { - do_quad(&tri, x, y, cx1, cx2, cx3); - } - - /* Iterate cx values across the region: - */ - cx1 += xstep1; - cx2 += xstep2; - cx3 += xstep3; - } - - /* Iterate c values down the region: - */ - c1 += ystep1; - c2 += ystep2; - c3 += ystep3; - } - } - else + for (y = miny; y < maxy; y += step) { - const int step = BLOCKSIZE; - - float ei1 = tri->ei1 * step; - float ei2 = tri->ei2 * step; - float ei3 = tri->ei3 * step; - - float eo1 = tri->eo1 * step; - float eo2 = tri->eo2 * step; - float eo3 = tri->eo3 * step; - - float xstep1 = -step * tri->dy12; - float xstep2 = -step * tri->dy23; - float xstep3 = -step * tri->dy31; - - float ystep1 = step * tri->dx12; - float ystep2 = step * tri->dx23; - float ystep3 = step * tri->dx31; - int x, y; - - minx &= ~(step-1); - miny &= ~(step-1); + float cx1 = c1; + float cx2 = c2; + float cx3 = c3; - for (y = miny; y < maxy; y += step) + for (x = minx; x < maxx; x += step) { - float cx1 = c1; - float cx2 = c2; - float cx3 = c3; - - for (x = minx; x < maxx; x += step) - { - if (cx1 + eo1 < 0 || - cx2 + eo2 < 0 || - cx3 + eo3 < 0) - { - } - else if (cx1 + ei1 > 0 && - cx2 + ei2 > 0 && - cx3 + ei3 > 0) - { - block_full(&tri, x, y); /* trivial accept */ - } - else - { - do_block(&tri, x, y, cx1, cx2, cx3); - } - - /* Iterate cx values across the region: - */ - cx1 += xstep1; - cx2 += xstep2; - cx3 += xstep3; - } - - /* Iterate c values down the region: - */ - c1 += ystep1; - c2 += ystep2; - c3 += ystep3; + if (cx1 + eo1 < 0 || + cx2 + eo2 < 0 || + cx3 + eo3 < 0) + { + } + else if (cx1 + ei1 > 0 && + cx2 + ei2 > 0 && + cx3 + ei3 > 0) + { + block_full(rast, tri, x, y); /* trivial accept */ + } + else + { + do_block(rast, tri, x, y, cx1, cx2, cx3); + } + + /* Iterate cx values across the region: + */ + cx1 += xstep1; + cx2 += xstep2; + cx3 += xstep3; } + + /* Iterate c values down the region: + */ + c1 += ystep1; + c2 += ystep2; + c3 += ystep3; } } |