diff options
author | Ben Skeggs <skeggsb@gmail.com> | 2008-10-15 13:21:11 +1100 |
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committer | Ben Skeggs <skeggsb@gmail.com> | 2008-10-15 13:21:11 +1100 |
commit | 295d6f8e8f03192320aa8d4ed767427dd06071a5 (patch) | |
tree | ca8d7949d700d96b7d123366aa57b80894d1757f /src/mesa/drivers/dri/i915/i915_program.c | |
parent | 2882a2db7a766c60bb231978ea829632438dd8a4 (diff) | |
parent | 41ccdde767e7aba6e8e6a9a035eacd6338c03a95 (diff) |
Merge remote branch 'origin/gallium-0.2' into gallium-0.2
Diffstat (limited to 'src/mesa/drivers/dri/i915/i915_program.c')
-rw-r--r-- | src/mesa/drivers/dri/i915/i915_program.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/src/mesa/drivers/dri/i915/i915_program.c b/src/mesa/drivers/dri/i915/i915_program.c index 49193297a8..350da5e169 100644 --- a/src/mesa/drivers/dri/i915/i915_program.c +++ b/src/mesa/drivers/dri/i915/i915_program.c @@ -190,6 +190,9 @@ i915_emit_arith(struct i915_fragment_program * p, *(p->csr++) = (A1_SRC0(src0) | A1_SRC1(src1)); *(p->csr++) = (A2_SRC1(src1) | A2_SRC2(src2)); + if (GET_UREG_TYPE(dest) == REG_TYPE_R) + p->register_phases[GET_UREG_NR(dest)] = p->nr_tex_indirect; + p->nr_alu_insn++; return dest; } @@ -237,10 +240,22 @@ GLuint i915_emit_texld( struct i915_fragment_program *p, else { assert(GET_UREG_TYPE(dest) != REG_TYPE_CONST); assert(dest = UREG(GET_UREG_TYPE(dest), GET_UREG_NR(dest))); + /* Can't use unsaved temps for coords, as the phase boundary would result + * in the contents becoming undefined. + */ + assert(GET_UREG_TYPE(coord) != REG_TYPE_U); + + /* 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) + p->nr_tex_indirect++; - if (GET_UREG_TYPE(coord) != REG_TYPE_T) { + /* Reading from an r# register whose contents depend on output of the + * current phase defines a phase boundary. + */ + if (GET_UREG_TYPE(coord) == REG_TYPE_R && + p->register_phases[GET_UREG_NR(coord)] == p->nr_tex_indirect) p->nr_tex_indirect++; - } *(p->csr++) = (op | T0_DEST( dest ) | @@ -249,6 +264,9 @@ GLuint i915_emit_texld( struct i915_fragment_program *p, *(p->csr++) = T1_ADDRESS_REG( coord ); *(p->csr++) = T2_MBZ; + if (GET_UREG_TYPE(dest) == REG_TYPE_R) + p->register_phases[GET_UREG_NR(dest)] = p->nr_tex_indirect; + p->nr_tex_insn++; return dest; } @@ -413,7 +431,8 @@ i915_init_program(struct i915_context *i915, struct i915_fragment_program *p) p->on_hardware = 0; p->error = 0; - p->nr_tex_indirect = 1; /* correct? */ + memset(&p->register_phases, 0, sizeof(p->register_phases)); + p->nr_tex_indirect = 1; p->nr_tex_insn = 0; p->nr_alu_insn = 0; p->nr_decl_insn = 0; |