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st/glsl_to_tgsi: store if dst is double in array

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This is just a precursor patch to a fix for doubles with
tessellation that I've written.

We need to descend into output arrays in that case and
mark dst's as double.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2015-12-19 14:43:11 +10:00
parent 65d3f85eb3
commit fc890d703e
1 changed files with 10 additions and 3 deletions
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13
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
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@ -555,6 +555,7 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
{
glsl_to_tgsi_instruction *inst = new(mem_ctx) glsl_to_tgsi_instruction();
int num_reladdr = 0, i, j;
bool dst_is_double[2];
op = get_opcode(ir, op, dst, src0, src1);
@ -658,7 +659,13 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
* GLSL [0].z -> TGSI [1].xy
* GLSL [0].w -> TGSI [1].zw
*/
if (inst->dst[0].type == GLSL_TYPE_DOUBLE || inst->dst[1].type == GLSL_TYPE_DOUBLE ||
for (j = 0; j < 2; j++) {
dst_is_double[j] = false;
if (inst->dst[j].type == GLSL_TYPE_DOUBLE)
dst_is_double[j] = true;
}
if (dst_is_double[0] || dst_is_double[1] ||
inst->src[0].type == GLSL_TYPE_DOUBLE) {
glsl_to_tgsi_instruction *dinst = NULL;
int initial_src_swz[4], initial_src_idx[4];
@ -699,7 +706,7 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
/* modify the destination if we are splitting */
for (j = 0; j < 2; j++) {
if (dinst->dst[j].type == GLSL_TYPE_DOUBLE) {
if (dst_is_double[j]) {
dinst->dst[j].writemask = (i & 1) ? WRITEMASK_ZW : WRITEMASK_XY;
dinst->dst[j].index = initial_dst_idx[j];
if (i > 1)
@ -732,7 +739,7 @@ glsl_to_tgsi_visitor::emit_asm(ir_instruction *ir, unsigned op,
- F2D is a float src0, DLDEXP is integer src1 */
if (op == TGSI_OPCODE_F2D ||
op == TGSI_OPCODE_DLDEXP ||
(op == TGSI_OPCODE_UCMP && dinst->dst[0].type == GLSL_TYPE_DOUBLE)) {
(op == TGSI_OPCODE_UCMP && dst_is_double[0])) {
dinst->src[j].swizzle = MAKE_SWIZZLE4(swz, swz, swz, swz);
}
}