diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_setup_tri.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_setup_tri.c | 115 |
1 files changed, 50 insertions, 65 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_setup_tri.c b/src/gallium/drivers/llvmpipe/lp_setup_tri.c index 7e432503c1..614a6372b4 100644 --- a/src/gallium/drivers/llvmpipe/lp_setup_tri.c +++ b/src/gallium/drivers/llvmpipe/lp_setup_tri.c @@ -61,36 +61,6 @@ struct tri_info { -static const int step_scissor_minx[16] = { - 0, 1, 0, 1, - 2, 3, 2, 3, - 0, 1, 0, 1, - 2, 3, 2, 3 -}; - -static const int step_scissor_maxx[16] = { - 0, -1, 0, -1, - -2, -3, -2, -3, - 0, -1, 0, -1, - -2, -3, -2, -3 -}; - -static const int step_scissor_miny[16] = { - 0, 0, 1, 1, - 0, 0, 1, 1, - 2, 2, 3, 3, - 2, 2, 3, 3 -}; - -static const int step_scissor_maxy[16] = { - 0, 0, -1, -1, - 0, 0, -1, -1, - -2, -2, -3, -3, - -2, -2, -3, -3 -}; - - - static INLINE int subpixel_snap(float a) @@ -260,13 +230,13 @@ static void setup_tri_coefficients( struct lp_setup_context *setup, { unsigned fragcoord_usage_mask = TGSI_WRITEMASK_XYZ; unsigned slot; + unsigned i; /* setup interpolation for all the remaining attributes: */ for (slot = 0; slot < setup->fs.nr_inputs; slot++) { unsigned vert_attr = setup->fs.input[slot].src_index; unsigned usage_mask = setup->fs.input[slot].usage_mask; - unsigned i; switch (setup->fs.input[slot].interp) { case LP_INTERP_CONSTANT: @@ -316,6 +286,34 @@ static void setup_tri_coefficients( struct lp_setup_context *setup, /* The internal position input is in slot zero: */ setup_fragcoord_coef(tri, info, 0, fragcoord_usage_mask); + + if (0) { + for (i = 0; i < NUM_CHANNELS; i++) { + float a0 = tri->inputs.a0 [0][i]; + float dadx = tri->inputs.dadx[0][i]; + float dady = tri->inputs.dady[0][i]; + + debug_printf("POS.%c: a0 = %f, dadx = %f, dady = %f\n", + "xyzw"[i], + a0, dadx, dady); + } + + for (slot = 0; slot < setup->fs.nr_inputs; slot++) { + unsigned usage_mask = setup->fs.input[slot].usage_mask; + for (i = 0; i < NUM_CHANNELS; i++) { + if (usage_mask & (1 << i)) { + float a0 = tri->inputs.a0 [1 + slot][i]; + float dadx = tri->inputs.dadx[1 + slot][i]; + float dady = tri->inputs.dady[1 + slot][i]; + + debug_printf("IN[%u].%c: a0 = %f, dadx = %f, dady = %f\n", + slot, + "xyzw"[i], + a0, dadx, dady); + } + } + } + } } @@ -525,7 +523,7 @@ do_triangle_ccw(struct lp_setup_context *setup, info.dx20 = info.v2[0][0] - info.v0[0][0]; info.dy01 = info.v0[0][1] - info.v1[0][1]; info.dy20 = info.v2[0][1] - info.v0[0][1]; - info.oneoverarea = 1.0 / (info.dx01 * info.dy20 - info.dx20 * info.dy01); + info.oneoverarea = 1.0f / (info.dx01 * info.dy20 - info.dx20 * info.dy01); info.frontfacing = frontfacing; /* Setup parameter interpolants: @@ -590,35 +588,6 @@ do_triangle_ccw(struct lp_setup_context *setup, /* Calculate trivial accept offsets from the above. */ plane->ei = plane->dcdy - plane->dcdx - plane->eo; - - plane->step = tri->step[i]; - - /* Fill in the inputs.step[][] arrays. - * We've manually unrolled some loops here. - */ -#define SETUP_STEP(j, x, y) \ - tri->step[i][j] = y * plane->dcdy - x * plane->dcdx - - SETUP_STEP(0, 0, 0); - SETUP_STEP(1, 1, 0); - SETUP_STEP(2, 0, 1); - SETUP_STEP(3, 1, 1); - - SETUP_STEP(4, 2, 0); - SETUP_STEP(5, 3, 0); - SETUP_STEP(6, 2, 1); - SETUP_STEP(7, 3, 1); - - SETUP_STEP(8, 0, 2); - SETUP_STEP(9, 1, 2); - SETUP_STEP(10, 0, 3); - SETUP_STEP(11, 1, 3); - - SETUP_STEP(12, 2, 2); - SETUP_STEP(13, 3, 2); - SETUP_STEP(14, 2, 3); - SETUP_STEP(15, 3, 3); -#undef STEP } @@ -641,28 +610,24 @@ do_triangle_ccw(struct lp_setup_context *setup, * these planes elsewhere. */ if (nr_planes == 7) { - tri->plane[3].step = step_scissor_minx; tri->plane[3].dcdx = -1; tri->plane[3].dcdy = 0; tri->plane[3].c = 1-minx; tri->plane[3].ei = 0; tri->plane[3].eo = 1; - tri->plane[4].step = step_scissor_maxx; tri->plane[4].dcdx = 1; tri->plane[4].dcdy = 0; tri->plane[4].c = maxx; tri->plane[4].ei = -1; tri->plane[4].eo = 0; - tri->plane[5].step = step_scissor_miny; tri->plane[5].dcdx = 0; tri->plane[5].dcdy = 1; tri->plane[5].c = 1-miny; tri->plane[5].ei = 0; tri->plane[5].eo = 1; - tri->plane[6].step = step_scissor_maxy; tri->plane[6].dcdx = 0; tri->plane[6].dcdy = -1; tri->plane[6].c = maxy; @@ -678,6 +643,26 @@ do_triangle_ccw(struct lp_setup_context *setup, /* Convert to tile coordinates, and inclusive ranges: */ + if (nr_planes == 3) { + int ix0 = minx / 16; + int iy0 = miny / 16; + int ix1 = (maxx-1) / 16; + int iy1 = (maxy-1) / 16; + + if (iy0 == iy1 && ix0 == ix1) + { + + /* Triangle is contained in a single 16x16 block: + */ + int mask = (ix0 & 3) | ((iy0 & 3) << 4); + + lp_scene_bin_command( scene, ix0/4, iy0/4, + lp_rast_triangle_3_16, + lp_rast_arg_triangle(tri, mask) ); + return; + } + } + ix0 = minx / TILE_SIZE; iy0 = miny / TILE_SIZE; ix1 = (maxx-1) / TILE_SIZE; |