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freedreno/ir3: fix array textures on a4xx

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Seems like a4xx needs offset added to array index for all arrays,
whereas a3xx only for cubemap arrays.  Fixes a whole swath of dEQP fails
(roughly *sampler2darray*).

Signed-off-by: Rob Clark <robclark@freedesktop.org>
This commit is contained in:
Rob Clark
2016-04-12 13:56:41 -04:00
parent 7e93b26b5d
commit 216225ce57
1 changed files with 9 additions and 3 deletions
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src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c
+9 -3
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@@ -103,6 +103,11 @@ struct ir3_compile {
*/
bool unminify_coords;
/* on a4xx, for array textures we need to add 0.5 to the array
* index coordinate:
*/
bool array_index_add_half;
/* for looking up which system value is which */
unsigned sysval_semantics[8];
@@ -128,11 +133,13 @@ compile_init(struct ir3_compiler *compiler,
ctx->flat_bypass = true;
ctx->levels_add_one = false;
ctx->unminify_coords = false;
ctx->array_index_add_half = true;
} else {
/* no special handling for "flat" */
ctx->flat_bypass = false;
ctx->levels_add_one = true;
ctx->unminify_coords = true;
ctx->array_index_add_half = false;
}
ctx->compiler = compiler;
@@ -1447,9 +1454,8 @@ emit_tex(struct ir3_compile *ctx, nir_tex_instr *tex)
}
/* the array coord for cube arrays needs 0.5 added to it */
if (tex->sampler_dim == GLSL_SAMPLER_DIM_CUBE && tex->is_array &&
opc != OPC_ISAML)
coord[3] = ir3_ADD_F(b, coord[3], 0, create_immed(b, fui(0.5)), 0);
if (ctx->array_index_add_half && tex->is_array && (opc != OPC_ISAML))
coord[coords] = ir3_ADD_F(b, coord[coords], 0, create_immed(b, fui(0.5)), 0);
/*
* lay out the first argument in the proper order: