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| author | Brian Paul <brianp@vmware.com> | 2013-01-30 17:44:25 -0700 |
|---|---|---|
| committer | Brian Paul <brianp@vmware.com> | 2013-02-01 08:00:28 -0700 |
| commit | 3cb491534493a52e9a88cb88d31727569afb8167 (patch) | |
| tree | 3306310583a86f1b959287781ceb956a06dde9d8 /src/gallium/drivers/svga/svga_tgsi_insn.c | |
| parent | 9eff5e905ff435c0bf4e00f8c05871d1aadfbbc9 (diff) | |
| download | external_mesa3d-3cb491534493a52e9a88cb88d31727569afb8167.zip external_mesa3d-3cb491534493a52e9a88cb88d31727569afb8167.tar.gz external_mesa3d-3cb491534493a52e9a88cb88d31727569afb8167.tar.bz2 | |
svga: check for NaN shader immediates
The svga device doesn't handle them. Replace with zeros.
Fixes several piglit tests, such as "glsl-const-builtin-inversesqrt".
Reviewed-by: Reviewed-by: José Fonseca <jfonseca@vmware.com>
Diffstat (limited to 'src/gallium/drivers/svga/svga_tgsi_insn.c')
| -rw-r--r-- | src/gallium/drivers/svga/svga_tgsi_insn.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/gallium/drivers/svga/svga_tgsi_insn.c b/src/gallium/drivers/svga/svga_tgsi_insn.c index 36ed008..d439e5b 100644 --- a/src/gallium/drivers/svga/svga_tgsi_insn.c +++ b/src/gallium/drivers/svga/svga_tgsi_insn.c @@ -2716,8 +2716,10 @@ static boolean svga_emit_immediate( struct svga_shader_emitter *emit, unsigned i; assert(1 <= imm->Immediate.NrTokens && imm->Immediate.NrTokens <= 5); - for (i = 0; i < imm->Immediate.NrTokens - 1; i++) - value[i] = imm->u[i].Float; + for (i = 0; i < imm->Immediate.NrTokens - 1; i++) { + float f = imm->u[i].Float; + value[i] = util_is_inf_or_nan(f) ? 0.0f : f; + } for ( ; i < 4; i++ ) value[i] = id[i]; |