diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/brw_fs_generator.cpp')
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_fs_generator.cpp | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp index c65084d0608..6f8b75e339f 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_generator.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_generator.cpp @@ -544,6 +544,50 @@ fs_generator::generate_math_g45(fs_inst *inst, } void +fs_generator::generate_get_buffer_size(fs_inst *inst, + struct brw_reg dst, + struct brw_reg src, + struct brw_reg surf_index) +{ + assert(devinfo->gen >= 7); + assert(surf_index.file == BRW_IMMEDIATE_VALUE); + + uint32_t simd_mode; + int rlen = 4; + + switch (inst->exec_size) { + case 8: + simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD8; + break; + case 16: + simd_mode = BRW_SAMPLER_SIMD_MODE_SIMD16; + break; + default: + unreachable("Invalid width for texture instruction"); + } + + if (simd_mode == BRW_SAMPLER_SIMD_MODE_SIMD16) { + rlen = 8; + dst = vec16(dst); + } + + brw_SAMPLE(p, + retype(dst, BRW_REGISTER_TYPE_UW), + inst->base_mrf, + src, + surf_index.dw1.ud, + 0, + GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO, + rlen, /* response length */ + inst->mlen, + inst->header_size > 0, + simd_mode, + BRW_SAMPLER_RETURN_FORMAT_SINT32); + + brw_mark_surface_used(prog_data, surf_index.dw1.ud); +} + +void fs_generator::generate_tex(fs_inst *inst, struct brw_reg dst, struct brw_reg src, struct brw_reg sampler_index) { @@ -1916,6 +1960,9 @@ fs_generator::generate_code(const cfg_t *cfg, int dispatch_width) src[0].subnr = 4 * type_sz(src[0].type); brw_MOV(p, dst, stride(src[0], 8, 4, 1)); break; + case FS_OPCODE_GET_BUFFER_SIZE: + generate_get_buffer_size(inst, dst, src[0], src[1]); + break; case SHADER_OPCODE_TEX: case FS_OPCODE_TXB: case SHADER_OPCODE_TXD: |