diff options
Diffstat (limited to 'src/mesa/pipe/cell')
| -rw-r--r-- | src/mesa/pipe/cell/spu/spu_tri.c | 112 |
1 files changed, 75 insertions, 37 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_tri.c b/src/mesa/pipe/cell/spu/spu_tri.c index 688c8646ab2..be9624cf7d9 100644 --- a/src/mesa/pipe/cell/spu/spu_tri.c +++ b/src/mesa/pipe/cell/spu/spu_tri.c @@ -56,7 +56,7 @@ typedef union * Simplified types taken from other parts of Gallium */ struct vertex_header { - float data[0][4]; + vector float data[1]; }; @@ -476,6 +476,7 @@ static void print_vertex(const struct vertex_header *v) } #endif + static boolean setup_sort_vertices(const struct vertex_header *v0, const struct vertex_header *v1, const struct vertex_header *v2) @@ -492,9 +493,9 @@ static boolean setup_sort_vertices(const struct vertex_header *v0, /* determine bottom to top order of vertices */ { - float y0 = v0->data[0][1]; - float y1 = v1->data[0][1]; - float y2 = v2->data[0][1]; + float y0 = spu_extract(v0->data[0], 1); + float y1 = spu_extract(v1->data[0], 1); + float y2 = spu_extract(v2->data[0], 1); if (y0 <= y1) { if (y1 <= y2) { /* y0<=y1<=y2 */ @@ -538,25 +539,25 @@ static boolean setup_sort_vertices(const struct vertex_header *v0, } /* Check if triangle is completely outside the tile bounds */ - if (setup.vmin->data[0][1] > setup.cliprect_maxy) + if (spu_extract(setup.vmin->data[0], 1) > setup.cliprect_maxy) return FALSE; - if (setup.vmax->data[0][1] < setup.cliprect_miny) + if (spu_extract(setup.vmax->data[0], 1) < setup.cliprect_miny) return FALSE; - if (setup.vmin->data[0][0] < setup.cliprect_minx && - setup.vmid->data[0][0] < setup.cliprect_minx && - setup.vmax->data[0][0] < setup.cliprect_minx) + if (spu_extract(setup.vmin->data[0], 0) < setup.cliprect_minx && + spu_extract(setup.vmid->data[0], 0) < setup.cliprect_minx && + spu_extract(setup.vmax->data[0], 0) < setup.cliprect_minx) return FALSE; - if (setup.vmin->data[0][0] > setup.cliprect_maxx && - setup.vmid->data[0][0] > setup.cliprect_maxx && - setup.vmax->data[0][0] > setup.cliprect_maxx) + if (spu_extract(setup.vmin->data[0], 0) > setup.cliprect_maxx && + spu_extract(setup.vmid->data[0], 0) > setup.cliprect_maxx && + spu_extract(setup.vmax->data[0], 0) > setup.cliprect_maxx) return FALSE; - setup.ebot.dx = setup.vmid->data[0][0] - setup.vmin->data[0][0]; - setup.ebot.dy = setup.vmid->data[0][1] - setup.vmin->data[0][1]; - setup.emaj.dx = setup.vmax->data[0][0] - setup.vmin->data[0][0]; - setup.emaj.dy = setup.vmax->data[0][1] - setup.vmin->data[0][1]; - setup.etop.dx = setup.vmax->data[0][0] - setup.vmid->data[0][0]; - setup.etop.dy = setup.vmax->data[0][1] - setup.vmid->data[0][1]; + setup.ebot.dx = spu_extract(setup.vmid->data[0], 0) - spu_extract(setup.vmin->data[0], 0); + setup.ebot.dy = spu_extract(setup.vmid->data[0], 1) - spu_extract(setup.vmin->data[0], 1); + setup.emaj.dx = spu_extract(setup.vmax->data[0], 0) - spu_extract(setup.vmin->data[0], 0); + setup.emaj.dy = spu_extract(setup.vmax->data[0], 1) - spu_extract(setup.vmin->data[0], 1); + setup.etop.dx = spu_extract(setup.vmax->data[0], 0) - spu_extract(setup.vmid->data[0], 0); + setup.etop.dy = spu_extract(setup.vmax->data[0], 1) - spu_extract(setup.vmid->data[0], 1); /* * Compute triangle's area. Use 1/area to compute partial @@ -597,14 +598,12 @@ static boolean setup_sort_vertices(const struct vertex_header *v0, * The result will be put into setup.coef[slot].a0. * \param slot which attribute slot */ -static INLINE void const_coeff(uint slot) +static INLINE void +const_coeff(uint slot) { setup.coef[slot].dadx.v = (vector float) {0.0, 0.0, 0.0, 0.0}; setup.coef[slot].dady.v = (vector float) {0.0, 0.0, 0.0, 0.0}; - setup.coef[slot].a0.f[0] = setup.vprovoke->data[slot][0]; - setup.coef[slot].a0.f[1] = setup.vprovoke->data[slot][1]; - setup.coef[slot].a0.f[2] = setup.vprovoke->data[slot][2]; - setup.coef[slot].a0.f[3] = setup.vprovoke->data[slot][3]; + setup.coef[slot].a0.v = setup.vprovoke->data[slot]; } @@ -612,12 +611,19 @@ static INLINE void const_coeff(uint slot) * Compute a0, dadx and dady for a linearly interpolated coefficient, * for a triangle. */ -static void tri_linear_coeff( uint slot, uint firstComp, uint lastComp ) +static INLINE void +tri_linear_coeff(uint slot, uint firstComp, uint lastComp) { uint i; + const float *vmin_d = (float *) &setup.vmin->data[slot]; + const float *vmid_d = (float *) &setup.vmid->data[slot]; + const float *vmax_d = (float *) &setup.vmax->data[slot]; + const float x = spu_extract(setup.vmin->data[0], 0) - 0.5f; + const float y = spu_extract(setup.vmin->data[0], 1) - 0.5f; + for (i = firstComp; i < lastComp; i++) { - float botda = setup.vmid->data[slot][i] - setup.vmin->data[slot][i]; - float majda = setup.vmax->data[slot][i] - setup.vmin->data[slot][i]; + float botda = vmid_d[i] - vmin_d[i]; + float majda = vmax_d[i] - vmin_d[i]; float a = setup.ebot.dy * majda - botda * setup.emaj.dy; float b = setup.emaj.dx * botda - majda * setup.ebot.dx; @@ -638,9 +644,9 @@ static void tri_linear_coeff( uint slot, uint firstComp, uint lastComp ) * to define a0 as the sample at a pixel center somewhere near vmin * instead - i'll switch to this later. */ - setup.coef[slot].a0.f[i] = (setup.vmin->data[slot][i] - - (setup.coef[slot].dadx.f[i] * (setup.vmin->data[0][0] - 0.5f) + - setup.coef[slot].dady.f[i] * (setup.vmin->data[0][1] - 0.5f))); + setup.coef[slot].a0.f[i] = (vmin_d[i] - + (setup.coef[slot].dadx.f[i] * x + + setup.coef[slot].dady.f[i] * y)); } /* @@ -653,6 +659,37 @@ static void tri_linear_coeff( uint slot, uint firstComp, uint lastComp ) } +/** + * As above, but interp setup all four vector components. + */ +static INLINE void +tri_linear_coeff4(uint slot) +{ + const vector float vmin_d = setup.vmin->data[slot]; + const vector float vmid_d = setup.vmid->data[slot]; + const vector float vmax_d = setup.vmax->data[slot]; + const vector float xxxx = spu_splats(spu_extract(setup.vmin->data[0], 0) - 0.5f); + const vector float yyyy = spu_splats(spu_extract(setup.vmin->data[0], 1) - 0.5f); + + vector float botda = vmid_d - vmin_d; + vector float majda = vmax_d - vmin_d; + + vector float a = spu_sub(spu_mul(spu_splats(setup.ebot.dy), majda), + spu_mul(botda, spu_splats(setup.emaj.dy))); + vector float b = spu_sub(spu_mul(spu_splats(setup.emaj.dx), botda), + spu_mul(majda, spu_splats(setup.ebot.dx))); + + setup.coef[slot].dadx.v = spu_mul(a, spu_splats(setup.oneoverarea)); + setup.coef[slot].dady.v = spu_mul(b, spu_splats(setup.oneoverarea)); + + vector float tempx = spu_mul(setup.coef[slot].dadx.v, xxxx); + vector float tempy = spu_mul(setup.coef[slot].dady.v, yyyy); + + setup.coef[slot].a0.v = spu_sub(vmin_d, spu_add(tempx, tempy)); +} + + + #if 0 /** * Compute a0, dadx and dady for a perspective-corrected interpolant, @@ -710,17 +747,18 @@ static void setup_tri_coefficients(void) case INTERP_NONE: break; case INTERP_POS: - tri_linear_coeff(i, 2, 3); + /*tri_linear_coeff(i, 2, 3);*/ /* XXX interp W if PERSPECTIVE... */ + tri_linear_coeff4(i); break; case INTERP_CONSTANT: const_coeff(i); break; case INTERP_LINEAR: - tri_linear_coeff(i, 0, 4); + tri_linear_coeff4(i); break; case INTERP_PERSPECTIVE: - tri_linear_coeff(i, 0, 4); /* XXX temporary */ + tri_linear_coeff4(i); /* temporary */ break; default: ASSERT(0); @@ -738,12 +776,12 @@ static void setup_tri_coefficients(void) static void setup_tri_edges(void) { - float vmin_x = setup.vmin->data[0][0] + 0.5f; - float vmid_x = setup.vmid->data[0][0] + 0.5f; + float vmin_x = spu_extract(setup.vmin->data[0], 0) + 0.5f; + float vmid_x = spu_extract(setup.vmid->data[0], 0) + 0.5f; - float vmin_y = setup.vmin->data[0][1] - 0.5f; - float vmid_y = setup.vmid->data[0][1] - 0.5f; - float vmax_y = setup.vmax->data[0][1] - 0.5f; + float vmin_y = spu_extract(setup.vmin->data[0], 1) - 0.5f; + float vmid_y = spu_extract(setup.vmid->data[0], 1) - 0.5f; + float vmax_y = spu_extract(setup.vmax->data[0], 1) - 0.5f; setup.emaj.sy = CEILF(vmin_y); setup.emaj.lines = (int) CEILF(vmax_y - setup.emaj.sy); |