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authorEric Anholt <[email protected]>2017-10-02 17:21:23 -0700
committerEric Anholt <[email protected]>2017-10-10 11:42:06 -0700
commit4b7de2a360ebb2d1cf7b3bbcc849026e5af47e41 (patch)
tree0e07683e7199e8407821049f15a1c3f19070bda4 /src/broadcom/compiler/nir_to_vir.c
parentf2e6e1bbc381ad6a7575e9940248362f8cb0adac (diff)
broadcom/vc5: Add support for f32 render targets.
The TLB write code is getting ugly and needs a refactoring (that will hopefully handle TLBU uniform coalescing as well).
Diffstat (limited to 'src/broadcom/compiler/nir_to_vir.c')
-rw-r--r--src/broadcom/compiler/nir_to_vir.c45
1 files changed, 32 insertions, 13 deletions
diff --git a/src/broadcom/compiler/nir_to_vir.c b/src/broadcom/compiler/nir_to_vir.c
index 642173e3ad3..675cad2c32f 100644
--- a/src/broadcom/compiler/nir_to_vir.c
+++ b/src/broadcom/compiler/nir_to_vir.c
@@ -1109,28 +1109,47 @@ emit_frag_end(struct v3d_compile *c)
struct qreg b = color[2];
struct qreg a = color[3];
- conf |= TLB_TYPE_F16_COLOR;
- conf |= TLB_F16_SWAP_HI_LO;
- if (num_components >= 3)
- conf |= TLB_VEC_SIZE_4_F16;
- else
- conf |= TLB_VEC_SIZE_2_F16;
+ if (c->fs_key->f32_color_rb) {
+ conf |= TLB_TYPE_F32_COLOR;
+ conf |= ((num_components - 1) <<
+ TLB_VEC_SIZE_MINUS_1_SHIFT);
+ } else {
+ conf |= TLB_TYPE_F16_COLOR;
+ conf |= TLB_F16_SWAP_HI_LO;
+ if (num_components >= 3)
+ conf |= TLB_VEC_SIZE_4_F16;
+ else
+ conf |= TLB_VEC_SIZE_2_F16;
+ }
if (c->fs_key->swap_color_rb & (1 << rt)) {
r = color[2];
b = color[0];
}
- inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), r, g);
- if (conf != ~0) {
- inst->dst.file = QFILE_TLBU;
+ if (c->fs_key->f32_color_rb & (1 << rt)) {
+ inst = vir_MOV_dest(c, vir_reg(QFILE_TLBU, 0), color[0]);
+ vir_set_cond(inst, discard_cond);
inst->src[vir_get_implicit_uniform_src(inst)] =
vir_uniform_ui(c, conf);
- }
- vir_set_cond(inst, discard_cond);
- inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), b, a);
- vir_set_cond(inst, discard_cond);
+ for (int i = 1; i < num_components; i++) {
+ inst = vir_MOV_dest(c, vir_reg(QFILE_TLB, 0),
+ color[i]);
+ vir_set_cond(inst, discard_cond);
+ }
+ } else {
+ inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), r, g);
+ if (conf != ~0) {
+ inst->dst.file = QFILE_TLBU;
+ inst->src[vir_get_implicit_uniform_src(inst)] =
+ vir_uniform_ui(c, conf);
+ }
+ vir_set_cond(inst, discard_cond);
+
+ inst = vir_VFPACK_dest(c, vir_reg(QFILE_TLB, 0), b, a);
+ vir_set_cond(inst, discard_cond);
+ }
break;
}
}