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i915: Texture instructions use r/t/oC/oD register as texture coordinate.

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Fix http://bugs.freedesktop.org/show_bug.cgi?id=16287.
This commit is contained in:
Xiang, Haihao 2008-10-13 13:04:04 +08:00 • committed by Alan Hourihane
parent 90e4e4117e
commit b3cb405252
1 changed files with 13 additions and 0 deletions
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13
src/mesa/drivers/dri/i915/i915_program.c
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@ -245,6 +245,19 @@ GLuint i915_emit_texld( struct i915_fragment_program *p,
*/
assert(GET_UREG_TYPE(coord) != REG_TYPE_U);
if ((GET_UREG_TYPE(coord) != REG_TYPE_R) &&
(GET_UREG_TYPE(coord) != REG_TYPE_OC) &&
(GET_UREG_TYPE(coord) != REG_TYPE_OD) &&
(GET_UREG_TYPE(coord) != REG_TYPE_T)) {
GLuint tmpCoord = get_free_rreg(p, live_regs);
if (tmpCoord == UREG_BAD)
return 0;
i915_emit_arith(p, A0_MOV, tmpCoord, A0_DEST_CHANNEL_ALL, 0, coord, 0, 0);
coord = tmpCoord;
}
/* Output register being oC or oD defines a phase boundary */
if (GET_UREG_TYPE(dest) == REG_TYPE_OC ||
GET_UREG_TYPE(dest) == REG_TYPE_OD)