diff options
| author | Dave Airlie <airlied@redhat.com> | 2011-08-25 13:38:43 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-08-25 16:54:20 +0100 |
| commit | 5f3de17ef0f8b6280a6bf331ea6686a260f0d0d4 (patch) | |
| tree | c50c18223afcb45a2458f97cededea76fe9b182e | |
| parent | 62ad6e66a5c11fa58e51a6251f97a12a759773ec (diff) | |
glsl_to_tgsi: add TXF support. (v2)
This adds texelFetch support to translate from GLSL to TGSI TXF opcode.
I've tested this works with an r600g and softpipe backend.
v2: drop comments, fix title,
Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Bryan Cain <bryancain3@gmail.com>
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 85e4c662fe..9cac30995a 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2476,8 +2476,10 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) ir->lod_info.lod->accept(this); lod_info = this->result; break; - case ir_txf: /* TODO: use TGSI_OPCODE_TXF here */ - assert(!"GLSL 1.30 features unsupported"); + case ir_txf: + opcode = TGSI_OPCODE_TXF; + ir->lod_info.lod->accept(this); + lod_info = this->result; break; } @@ -2541,7 +2543,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) coord_dst.writemask = WRITEMASK_XYZW; } - if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXB) { + if (opcode == TGSI_OPCODE_TXL || opcode == TGSI_OPCODE_TXB || + opcode == TGSI_OPCODE_TXF) { /* TGSI stores LOD or LOD bias in the last channel of the coords. */ coord_dst.writemask = WRITEMASK_W; emit(ir, TGSI_OPCODE_MOV, coord_dst, lod_info); @@ -4285,6 +4288,7 @@ compile_tgsi_instruction(struct st_translate *t, case TGSI_OPCODE_TXL: case TGSI_OPCODE_TXP: case TGSI_OPCODE_TXQ: + case TGSI_OPCODE_TXF: src[num_src++] = t->samplers[inst->sampler]; ureg_tex_insn(ureg, inst->op, |