diff options
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_extensions.c | 1 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 25 |
2 files changed, 19 insertions, 7 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c index e9a74c59f8c..e938046892a 100644 --- a/src/mesa/state_tracker/st_extensions.c +++ b/src/mesa/state_tracker/st_extensions.c @@ -631,6 +631,7 @@ void st_init_extensions(struct st_context *st) ctx->Extensions.ARB_shading_language_packing = GL_TRUE; ctx->Extensions.OES_depth_texture_cube_map = GL_TRUE; ctx->Extensions.ARB_shading_language_420pack = GL_TRUE; + ctx->Extensions.ARB_texture_query_levels = GL_TRUE; if (!st->options.disable_shader_bit_encoding) { ctx->Extensions.ARB_shader_bit_encoding = GL_TRUE; diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index 739e1089e9b..cac1e0fe223 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2779,7 +2779,9 @@ glsl_to_tgsi_visitor::visit(ir_call *ir) void glsl_to_tgsi_visitor::visit(ir_texture *ir) { - st_src_reg result_src, coord, cube_sc, lod_info, projector, dx, dy, offset[MAX_GLSL_TEXTURE_OFFSET], sample_index, component; + st_src_reg result_src, coord, cube_sc, lod_info, projector, dx, dy; + st_src_reg offset[MAX_GLSL_TEXTURE_OFFSET], sample_index, component; + st_src_reg levels_src; st_dst_reg result_dst, coord_dst, cube_sc_dst; glsl_to_tgsi_instruction *inst = NULL; unsigned opcode = TGSI_OPCODE_NOP; @@ -2860,6 +2862,11 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) ir->lod_info.lod->accept(this); lod_info = this->result; break; + case ir_query_levels: + opcode = TGSI_OPCODE_TXQ; + lod_info = st_src_reg(PROGRAM_IMMEDIATE, 0, GLSL_TYPE_INT); + levels_src = get_temp(ir->type); + break; case ir_txf: opcode = TGSI_OPCODE_TXF; ir->lod_info.lod->accept(this); @@ -2896,9 +2903,6 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) case ir_lod: opcode = TGSI_OPCODE_LODQ; break; - case ir_query_levels: - assert(!"Unexpected ir_query_levels opcode"); - break; } if (ir->projector) { @@ -2995,9 +2999,16 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir) if (opcode == TGSI_OPCODE_TXD) inst = emit(ir, opcode, result_dst, coord, dx, dy); - else if (opcode == TGSI_OPCODE_TXQ) - inst = emit(ir, opcode, result_dst, lod_info); - else if (opcode == TGSI_OPCODE_TXF) { + else if (opcode == TGSI_OPCODE_TXQ) { + if (ir->op == ir_query_levels) { + /* the level is stored in W */ + inst = emit(ir, opcode, st_dst_reg(levels_src), lod_info); + result_dst.writemask = WRITEMASK_X; + levels_src.swizzle = SWIZZLE_WWWW; + emit(ir, TGSI_OPCODE_MOV, result_dst, levels_src); + } else + inst = emit(ir, opcode, result_dst, lod_info); + } else if (opcode == TGSI_OPCODE_TXF) { inst = emit(ir, opcode, result_dst, coord); } else if (opcode == TGSI_OPCODE_TXL2 || opcode == TGSI_OPCODE_TXB2) { inst = emit(ir, opcode, result_dst, coord, lod_info); |