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st/mesa: add support for ARB_texture_query_lod 

Add support for the LODQ texture instruction.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
This commit is contained in:
Dave Airlie 2014-02-25 14:42:04 +10:00 committed by Ilia Mirkin
parent be5276ae7d
commit 4dc13e3c71
2 changed files with 4 additions and 2 deletions
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3
src/mesa/state_tracker/st_extensions.c
View File

@ -421,7 +421,8 @@ void st_init_extensions(struct st_context *st)
{ o(OES_standard_derivatives), PIPE_CAP_SM3 },
{ o(ARB_texture_cube_map_array), PIPE_CAP_CUBE_MAP_ARRAY },
{ o(ARB_texture_multisample), PIPE_CAP_TEXTURE_MULTISAMPLE }
{ o(ARB_texture_multisample), PIPE_CAP_TEXTURE_MULTISAMPLE },
{ o(ARB_texture_query_lod), PIPE_CAP_TEXTURE_QUERY_LOD }
};
/* Required: render target and sampler support */

3
src/mesa/state_tracker/st_glsl_to_tgsi.cpp
View File

@ -2793,7 +2793,7 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
}
break;
case ir_lod:
assert(!"Unexpected ir_lod opcode");
opcode = TGSI_OPCODE_LODQ;
break;
case ir_query_levels:
assert(!"Unexpected ir_query_levels opcode");
@ -4513,6 +4513,7 @@ compile_tgsi_instruction(struct st_translate *t,
case TGSI_OPCODE_TXB2:
case TGSI_OPCODE_TXL2:
case TGSI_OPCODE_TG4:
case TGSI_OPCODE_LODQ:
src[num_src++] = t->samplers[inst->sampler];
for (i = 0; i < inst->tex_offset_num_offset; i++) {
texoffsets[i] = translate_tex_offset(t, &inst->tex_offsets[i], i);