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r600g: Handle texture fetch instructions with neg or abs on source register

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Signed-off-by: Henri Verbeet <hverbeet@gmail.com>
This commit is contained in:
Fabian Bieler
2011-03-23 23:26:41 +01:00
committed by Henri Verbeet
parent 78037d95da
commit da5b4764b2
1 changed files with 5 additions and 3 deletions
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src/gallium/drivers/r600/r600_shader.c
+5 -3
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@@ -1526,10 +1526,12 @@ static int tgsi_tex(struct r600_shader_ctx *ctx)
unsigned src_gpr;
int r, i;
int opcode;
/* Texture fetch instructions can only use gprs as source. */
/* Texture fetch instructions can only use gprs as source.
* Also they cannot negate the source or take the absolute value */
const boolean src_requires_loading =
inst->Src[0].Register.File != TGSI_FILE_TEMPORARY &&
inst->Src[0].Register.File != TGSI_FILE_INPUT;
(inst->Src[0].Register.File != TGSI_FILE_TEMPORARY &&
inst->Src[0].Register.File != TGSI_FILE_INPUT) ||
ctx->src[0].neg || ctx->src[0].abs;
boolean src_loaded = FALSE;
src_gpr = ctx->file_offset[inst->Src[0].Register.File] + inst->Src[0].Register.Index;