From f547cebbe062b094077ed32c8d557c7162c1c4fb Mon Sep 17 00:00:00 2001 From: Jason Ekstrand Date: Wed, 31 Oct 2018 09:52:33 -0500 Subject: [PATCH] intel/fs: Use a logical opcode for IMAGE_SIZE Reviewed-by: Iago Toral Quiroga --- src/intel/compiler/brw_eu_defines.h | 1 + src/intel/compiler/brw_fs.cpp | 10 ++++++++++ src/intel/compiler/brw_fs_nir.cpp | 14 ++++++++------ src/intel/compiler/brw_shader.cpp | 2 ++ 4 files changed, 21 insertions(+), 6 deletions(-) diff --git a/src/intel/compiler/brw_eu_defines.h b/src/intel/compiler/brw_eu_defines.h index e52f1b5..4445f38 100644 --- a/src/intel/compiler/brw_eu_defines.h +++ b/src/intel/compiler/brw_eu_defines.h @@ -362,6 +362,7 @@ enum opcode { SHADER_OPCODE_SAMPLEINFO_LOGICAL, SHADER_OPCODE_IMAGE_SIZE, + SHADER_OPCODE_IMAGE_SIZE_LOGICAL, /** * Combines multiple sources of size 1 into a larger virtual GRF. diff --git a/src/intel/compiler/brw_fs.cpp b/src/intel/compiler/brw_fs.cpp index f6525fe..35e78ee 100644 --- a/src/intel/compiler/brw_fs.cpp +++ b/src/intel/compiler/brw_fs.cpp @@ -737,6 +737,7 @@ fs_inst::components_read(unsigned i) const case SHADER_OPCODE_TXF_LOGICAL: case SHADER_OPCODE_TXL_LOGICAL: case SHADER_OPCODE_TXS_LOGICAL: + case SHADER_OPCODE_IMAGE_SIZE_LOGICAL: case FS_OPCODE_TXB_LOGICAL: case SHADER_OPCODE_TXF_CMS_LOGICAL: case SHADER_OPCODE_TXF_CMS_W_LOGICAL: @@ -4675,6 +4676,11 @@ lower_sampler_logical_send_gen7(const fs_builder &bld, fs_inst *inst, opcode op, bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_UD), lod); length++; break; + case SHADER_OPCODE_IMAGE_SIZE: + /* We need an LOD; just use 0 */ + bld.MOV(retype(sources[length], BRW_REGISTER_TYPE_UD), brw_imm_ud(0)); + length++; + break; case SHADER_OPCODE_TXF: /* Unfortunately, the parameters for LD are intermixed: u, lod, v, r. * On Gen9 they are u, v, lod, r @@ -5157,6 +5163,10 @@ fs_visitor::lower_logical_sends() lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXS); break; + case SHADER_OPCODE_IMAGE_SIZE_LOGICAL: + lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_IMAGE_SIZE); + break; + case FS_OPCODE_TXB_LOGICAL: lower_sampler_logical_send(ibld, inst, FS_OPCODE_TXB); break; diff --git a/src/intel/compiler/brw_fs_nir.cpp b/src/intel/compiler/brw_fs_nir.cpp index bdc883e..f16627b 100644 --- a/src/intel/compiler/brw_fs_nir.cpp +++ b/src/intel/compiler/brw_fs_nir.cpp @@ -3731,18 +3731,20 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr BRW_REGISTER_TYPE_UD); image = bld.emit_uniformize(image); + fs_reg srcs[TEX_LOGICAL_NUM_SRCS]; + srcs[TEX_LOGICAL_SRC_SURFACE] = image; + srcs[TEX_LOGICAL_SRC_SAMPLER] = brw_imm_d(0); + srcs[TEX_LOGICAL_SRC_COORD_COMPONENTS] = brw_imm_d(0); + srcs[TEX_LOGICAL_SRC_GRAD_COMPONENTS] = brw_imm_d(0); + /* Since the image size is always uniform, we can just emit a SIMD8 * query instruction and splat the result out. */ const fs_builder ubld = bld.exec_all().group(8, 0); - /* The LOD also serves as the message payload */ - fs_reg lod = ubld.vgrf(BRW_REGISTER_TYPE_UD); - ubld.MOV(lod, brw_imm_ud(0)); - fs_reg tmp = ubld.vgrf(BRW_REGISTER_TYPE_UD, 4); - fs_inst *inst = ubld.emit(SHADER_OPCODE_IMAGE_SIZE, tmp, lod, image); - inst->mlen = 1; + fs_inst *inst = ubld.emit(SHADER_OPCODE_IMAGE_SIZE_LOGICAL, + tmp, srcs, ARRAY_SIZE(srcs)); inst->size_written = 4 * REG_SIZE; for (unsigned c = 0; c < instr->dest.ssa.num_components; ++c) { diff --git a/src/intel/compiler/brw_shader.cpp b/src/intel/compiler/brw_shader.cpp index f1037fc..5b1d500 100644 --- a/src/intel/compiler/brw_shader.cpp +++ b/src/intel/compiler/brw_shader.cpp @@ -272,6 +272,8 @@ brw_instruction_name(const struct gen_device_info *devinfo, enum opcode op) case SHADER_OPCODE_IMAGE_SIZE: return "image_size"; + case SHADER_OPCODE_IMAGE_SIZE_LOGICAL: + return "image_size_logical"; case SHADER_OPCODE_SHADER_TIME_ADD: return "shader_time_add"; -- 2.7.4