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-rw-r--r--src/mesa/pipe/cell/spu/spu_tri.c126
1 files changed, 68 insertions, 58 deletions
diff --git a/src/mesa/pipe/cell/spu/spu_tri.c b/src/mesa/pipe/cell/spu/spu_tri.c
index 1c615a6e6a..4fc6d90895 100644
--- a/src/mesa/pipe/cell/spu/spu_tri.c
+++ b/src/mesa/pipe/cell/spu/spu_tri.c
@@ -81,9 +81,9 @@ struct edge {
struct interp_coef
{
- float a0[4];
- float dadx[4];
- float dady[4];
+ float4 a0;
+ float4 dadx;
+ float4 dady;
};
@@ -201,36 +201,31 @@ clip_emit_quad(struct setup_stage *setup)
* Eg: four colors will be compute.
*/
static INLINE void
-eval_coeff(uint slot, float x, float y, float result[4][4])
+eval_coeff(uint slot, float x, float y, float4 result[4])
{
switch (spu.vertex_info.interp_mode[slot]) {
case INTERP_CONSTANT:
- {
- uint i;
- for (i = 0; i < 4; i++) {
- result[QUAD_TOP_LEFT][i] =
- result[QUAD_TOP_RIGHT][i] =
- result[QUAD_BOTTOM_LEFT][i] =
- result[QUAD_BOTTOM_RIGHT][i] = setup.coef[slot].a0[i];
- }
- }
+ result[QUAD_TOP_LEFT] =
+ result[QUAD_TOP_RIGHT] =
+ result[QUAD_BOTTOM_LEFT] =
+ result[QUAD_BOTTOM_RIGHT] = setup.coef[slot].a0;
break;
case INTERP_LINEAR:
/* fall-through, for now */
default:
{
- uint i;
- const float *dadx = setup.coef[slot].dadx;
- const float *dady = setup.coef[slot].dady;
-
- /* loop over XYZW comps */
- for (i = 0; i < 4; i++) {
- result[QUAD_TOP_LEFT][i] = setup.coef[slot].a0[i] + x * dadx[i] + y * dady[i];
- result[QUAD_TOP_RIGHT][i] = result[0][i] + dadx[i];
- result[QUAD_BOTTOM_LEFT][i] = result[0][i] + dady[i];
- result[QUAD_BOTTOM_RIGHT][i] = result[0][i] + dadx[i] + dady[i];
- }
+ register vector float dadx = setup.coef[slot].dadx.v;
+ register vector float dady = setup.coef[slot].dady.v;
+ register vector float topLeft
+ = spu_add(setup.coef[slot].a0.v,
+ spu_add(spu_mul(spu_splats(x), dadx),
+ spu_mul(spu_splats(y), dady)));
+
+ result[QUAD_TOP_LEFT].v = topLeft;
+ result[QUAD_TOP_RIGHT].v = spu_add(topLeft, dadx);
+ result[QUAD_BOTTOM_LEFT].v = spu_add(topLeft, dady);
+ result[QUAD_BOTTOM_RIGHT].v = spu_add(spu_add(topLeft, dadx), dady);
}
}
}
@@ -240,28 +235,46 @@ static INLINE void
eval_z(float x, float y, float result[4])
{
const uint slot = 0;
- const uint i = 2;
- const float *dadx = setup.coef[slot].dadx;
- const float *dady = setup.coef[slot].dady;
-
- result[QUAD_TOP_LEFT] = setup.coef[slot].a0[i] + x * dadx[i] + y * dady[i];
- result[QUAD_TOP_RIGHT] = result[0] + dadx[i];
- result[QUAD_BOTTOM_LEFT] = result[0] + dady[i];
- result[QUAD_BOTTOM_RIGHT] = result[0] + dadx[i] + dady[i];
+ const float dzdx = setup.coef[slot].dadx.f[2];
+ const float dzdy = setup.coef[slot].dady.f[2];
+ const float topLeft = setup.coef[slot].a0.f[2] + x * dzdx + y * dzdy;
+#if 1
+ result[QUAD_TOP_LEFT] = topLeft;
+ result[QUAD_TOP_RIGHT] = topLeft + dzdx;
+ result[QUAD_BOTTOM_LEFT] = topLeft + dzdy;
+ result[QUAD_BOTTOM_RIGHT] = topLeft + dzdx + dzdy;
+#else
+ /* XXX vectorize */
+ const vector float topLeftv = spu_splats(topLeft);
+ const vector float derivs
+ = (vector float) { 0.0, dzdx, dzdy, dzdx + dzdy };
+ vector float *res = (vector float *) result;
+ *res = spu_add(topLeftv, derivs);
+#endif
}
-static INLINE uint
-pack_color(const float color[4])
+static INLINE void
+pack_colors(uint uicolors[4], const float4 fcolors[4])
{
+ /* XXX grab the code for _pack_rgba8() and use the shuffle
+ * command to do the swizzling seen here.
+ */
switch (spu.fb.color_format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
- return _pack_rgba8(color[3], color[0], color[1], color[2]);
+ uicolors[0] = _pack_rgba8(fcolors[0].f[3], fcolors[0].f[0], fcolors[0].f[1], fcolors[0].f[2]);
+ uicolors[1] = _pack_rgba8(fcolors[1].f[3], fcolors[1].f[0], fcolors[1].f[1], fcolors[1].f[2]);
+ uicolors[2] = _pack_rgba8(fcolors[2].f[3], fcolors[2].f[0], fcolors[2].f[1], fcolors[2].f[2]);
+ uicolors[3] = _pack_rgba8(fcolors[3].f[3], fcolors[0].f[0], fcolors[3].f[1], fcolors[3].f[2]);
+ break;
case PIPE_FORMAT_B8G8R8A8_UNORM:
- return _pack_rgba8(color[2], color[1], color[0], color[3]);
+ uicolors[0] = _pack_rgba8(fcolors[0].f[2], fcolors[0].f[1], fcolors[0].f[0], fcolors[0].f[3]);
+ uicolors[1] = _pack_rgba8(fcolors[1].f[2], fcolors[1].f[1], fcolors[1].f[0], fcolors[1].f[3]);
+ uicolors[2] = _pack_rgba8(fcolors[2].f[2], fcolors[2].f[1], fcolors[2].f[0], fcolors[2].f[3]);
+ uicolors[3] = _pack_rgba8(fcolors[3].f[2], fcolors[3].f[1], fcolors[3].f[0], fcolors[3].f[3]);
+ break;
default:
ASSERT(0);
- return 0;
}
}
@@ -379,7 +392,7 @@ emit_quad( int x, int y, unsigned mask )
uint colors[4]; /* indexed by QUAD_x */
if (spu.texture.start) {
- float texcoords[4][4];
+ float4 texcoords[4];
uint i;
eval_coeff(2, (float) x, (float) y, texcoords);
for (i = 0; i < 4; i++) {
@@ -387,12 +400,9 @@ emit_quad( int x, int y, unsigned mask )
}
}
else {
- float fcolors[4][4];
+ float4 fcolors[4];
eval_coeff(1, (float) x, (float) y, fcolors);
- colors[QUAD_TOP_LEFT] = pack_color(fcolors[QUAD_TOP_LEFT]);
- colors[QUAD_TOP_RIGHT] = pack_color(fcolors[QUAD_TOP_RIGHT]);
- colors[QUAD_BOTTOM_LEFT] = pack_color(fcolors[QUAD_BOTTOM_LEFT]);
- colors[QUAD_BOTTOM_RIGHT] = pack_color(fcolors[QUAD_BOTTOM_RIGHT]);
+ pack_colors(colors, fcolors);
}
if (spu.depth_stencil.depth.enabled) {
@@ -645,12 +655,12 @@ static void const_coeff(uint slot)
ASSERT(slot < PIPE_MAX_SHADER_INPUTS);
for (i = 0; i < 4; i++) {
- setup.coef[slot].dadx[i] = 0;
- setup.coef[slot].dady[i] = 0;
+ setup.coef[slot].dadx.f[i] = 0;
+ setup.coef[slot].dady.f[i] = 0;
/* need provoking vertex info!
*/
- setup.coef[slot].a0[i] = setup.vprovoke->data[slot][i];
+ setup.coef[slot].a0.f[i] = setup.vprovoke->data[slot][i];
}
}
@@ -670,8 +680,8 @@ static void tri_linear_coeff( uint slot, uint firstComp, uint lastComp )
ASSERT(slot < PIPE_MAX_SHADER_INPUTS);
- setup.coef[slot].dadx[i] = a * setup.oneoverarea;
- setup.coef[slot].dady[i] = b * setup.oneoverarea;
+ setup.coef[slot].dadx.f[i] = a * setup.oneoverarea;
+ setup.coef[slot].dady.f[i] = b * setup.oneoverarea;
/* calculate a0 as the value which would be sampled for the
* fragment at (0,0), taking into account that we want to sample at
@@ -685,17 +695,17 @@ 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[i] = (setup.vmin->data[slot][i] -
- (setup.coef[slot].dadx[i] * (setup.vmin->data[0][0] - 0.5f) +
- setup.coef[slot].dady[i] * (setup.vmin->data[0][1] - 0.5f)));
+ 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)));
}
/*
_mesa_printf("attr[%d].%c: %f dx:%f dy:%f\n",
slot, "xyzw"[i],
setup.coef[slot].a0[i],
- setup.coef[slot].dadx[i],
- setup.coef[slot].dady[i]);
+ setup.coef[slot].dadx.f[i],
+ setup.coef[slot].dady.f[i]);
*/
}
@@ -734,11 +744,11 @@ static void tri_persp_coeff( unsigned slot,
assert(slot < PIPE_MAX_SHADER_INPUTS);
assert(i <= 3);
- setup.coef[slot].dadx[i] = a * setup.oneoverarea;
- setup.coef[slot].dady[i] = b * setup.oneoverarea;
- setup.coef[slot].a0[i] = (mina -
- (setup.coef[slot].dadx[i] * (setup.vmin->data[0][0] - 0.5f) +
- setup.coef[slot].dady[i] * (setup.vmin->data[0][1] - 0.5f)));
+ setup.coef[slot].dadx.f[i] = a * setup.oneoverarea;
+ setup.coef[slot].dady.f[i] = b * setup.oneoverarea;
+ setup.coef[slot].a0.f[i] = (mina -
+ (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)));
}
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-14 07:43:29 +0000