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pan/bi: Implement sampler1D

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Enough to get shaders/humus-celshading/1.shader_test compiling, no idea
if it actually works but it looks reasonable.

Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7615>
This commit is contained in:
Alyssa Rosenzweig 2020-11-13 17:04:43 -05:00 • committed by Marge Bot
parent 8b23fbb954
commit eee2a43461
1 changed files with 11 additions and 4 deletions
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15
src/panfrost/bifrost/bifrost_compile.c
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@ -1965,15 +1965,22 @@ emit_texc(bi_context *ctx, nir_tex_instr *instr)
texc_pack_cube_coord(ctx, index,
&tex.src[1], &tex.src[2]);
} else {
unsigned components = nir_src_num_components(instr->src[i].src);
tex.src[1] = index;
tex.src[2] = index;
tex.swizzle[1][0] = 0;
tex.swizzle[2][0] = 1;
unsigned components = nir_src_num_components(instr->src[i].src);
assert(components == 2 || components == 3);
if (components >= 2) {
tex.swizzle[2][0] = 1;
} else {
/* Dummy for reg alloc to be happy */
tex.swizzle[2][0] = 0;
}
if (components == 2) {
assert(components >= 1 && components <= 3);
if (components < 3) {
/* nothing to do */
} else if (desc.array) {
/* 2D array */