From ba78a5007171afaa5f2d76d71be131f01a5b5023 Mon Sep 17 00:00:00 2001 From: Francisco Jerez Date: Mon, 13 Jul 2015 16:07:45 +0300 Subject: [PATCH] i965/fs: Reimplement emit_texture() in terms of logical send messages. Reviewed-by: Jason Ekstrand Reviewed-by: Kenneth Graunke --- src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 66 +++++++++++++++++++++------- 1 file changed, 49 insertions(+), 17 deletions(-) diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp index 5977f6d..98e75d6 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp @@ -861,6 +861,14 @@ fs_visitor::emit_texture(ir_texture_opcode op, } } + if (op == ir_query_levels) { + /* textureQueryLevels() is implemented in terms of TXS so we need to + * pass a valid LOD argument. + */ + assert(lod.file == BAD_FILE); + lod = fs_reg(0u); + } + if (coordinate.file != BAD_FILE) { /* FINISHME: Texture coordinate rescaling doesn't work with non-constant * samplers. This should only be a problem with GL_CLAMP on Gen7. @@ -873,26 +881,50 @@ fs_visitor::emit_texture(ir_texture_opcode op, * samples, so don't worry about them. */ fs_reg dst = vgrf(glsl_type::get_instance(dest_type->base_type, 4, 1)); + const fs_reg srcs[] = { + coordinate, shadow_c, lod, lod2, + sample_index, mcs, sampler_reg, offset_value, + fs_reg(coord_components), fs_reg(grad_components) + }; + enum opcode opcode; - if (devinfo->gen >= 7) { - inst = emit_texture_gen7(op, dst, coordinate, coord_components, - shadow_c, lod, lod2, grad_components, - sample_index, mcs, sampler_reg, - offset_value); - } else if (devinfo->gen >= 5) { - inst = emit_texture_gen5(op, dst, coordinate, coord_components, - shadow_c, lod, lod2, grad_components, - sample_index, sampler, - offset_value.file != BAD_FILE); - } else if (dispatch_width == 16) { - inst = emit_texture_gen4_simd16(op, dst, coordinate, coord_components, - shadow_c, lod, sampler); - } else { - inst = emit_texture_gen4(op, dst, coordinate, coord_components, - shadow_c, lod, lod2, grad_components, - sampler); + switch (op) { + case ir_tex: + opcode = SHADER_OPCODE_TEX_LOGICAL; + break; + case ir_txb: + opcode = FS_OPCODE_TXB_LOGICAL; + break; + case ir_txl: + opcode = SHADER_OPCODE_TXL_LOGICAL; + break; + case ir_txd: + opcode = SHADER_OPCODE_TXD_LOGICAL; + break; + case ir_txf: + opcode = SHADER_OPCODE_TXF_LOGICAL; + break; + case ir_txf_ms: + opcode = SHADER_OPCODE_TXF_CMS_LOGICAL; + break; + case ir_txs: + case ir_query_levels: + opcode = SHADER_OPCODE_TXS_LOGICAL; + break; + case ir_lod: + opcode = SHADER_OPCODE_LOD_LOGICAL; + break; + case ir_tg4: + opcode = (offset_value.file != BAD_FILE && offset_value.file != IMM ? + SHADER_OPCODE_TG4_OFFSET_LOGICAL : SHADER_OPCODE_TG4_LOGICAL); + break; + default: + unreachable("Invalid texture opcode."); } + inst = bld.emit(opcode, dst, srcs, ARRAY_SIZE(srcs)); + inst->regs_written = 4 * dispatch_width / 8; + if (shadow_c.file != BAD_FILE) inst->shadow_compare = true; -- 2.7.4