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softpipe: fix 32-bit bitfield extract

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These didn't deal with the width == 32 case that TGSI is defined with.

Fixes piglit tests if ARB_gpu_shader5 is enabled.

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Dave Airlie
2019-03-21 14:13:48 +10:00
parent a1bd9dd5bc
commit 7b7cb1bc35
1 changed files with 12 additions and 2 deletions
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14
src/gallium/auxiliary/tgsi/tgsi_exec.c
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@@ -4912,8 +4912,13 @@ micro_ibfe(union tgsi_exec_channel *dst,
{
int i;
for (i = 0; i < 4; i++) {
int width = src2->i[i] & 0x1f;
int width = src2->i[i];
int offset = src1->i[i] & 0x1f;
if (width == 32 && offset == 0) {
dst->i[i] = src0->i[i];
continue;
}
width &= 0x1f;
if (width == 0)
dst->i[i] = 0;
else if (width + offset < 32)
@@ -4934,8 +4939,13 @@ micro_ubfe(union tgsi_exec_channel *dst,
{
int i;
for (i = 0; i < 4; i++) {
int width = src2->u[i] & 0x1f;
int width = src2->u[i];
int offset = src1->u[i] & 0x1f;
if (width == 32 && offset == 0) {
dst->u[i] = src0->u[i];
continue;
}
width &= 0x1f;
if (width == 0)
dst->u[i] = 0;
else if (width + offset < 32)