From: Francisco Jerez Date: Sat, 30 Apr 2016 06:36:59 +0000 (-0700) Subject: i965/fs: Allow constant propagation into logical send sources. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=48d743c5019076056739561f979e7101c04acf21;p=mesa.git i965/fs: Allow constant propagation into logical send sources. Logical sends are eventually lowered into a series of copies so they can take almost anything as source. Reviewed-by: Jason Ekstrand --- diff --git a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp index f93a20c7faa..38103af566b 100644 --- a/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp +++ b/src/mesa/drivers/dri/i965/brw_fs_copy_propagation.cpp @@ -688,6 +688,40 @@ fs_visitor::try_constant_propagate(fs_inst *inst, acp_entry *entry) } break; + case FS_OPCODE_FB_WRITE_LOGICAL: + /* The stencil and omask sources of FS_OPCODE_FB_WRITE_LOGICAL are + * bit-cast using a strided region so they cannot be immediates. + */ + if (i != FB_WRITE_LOGICAL_SRC_SRC_STENCIL && + i != FB_WRITE_LOGICAL_SRC_OMASK) { + inst->src[i] = val; + progress = true; + } + break; + + case SHADER_OPCODE_TEX_LOGICAL: + case SHADER_OPCODE_TXD_LOGICAL: + case SHADER_OPCODE_TXF_LOGICAL: + case SHADER_OPCODE_TXL_LOGICAL: + case SHADER_OPCODE_TXS_LOGICAL: + case FS_OPCODE_TXB_LOGICAL: + case SHADER_OPCODE_TXF_CMS_LOGICAL: + case SHADER_OPCODE_TXF_CMS_W_LOGICAL: + case SHADER_OPCODE_TXF_UMS_LOGICAL: + case SHADER_OPCODE_TXF_MCS_LOGICAL: + case SHADER_OPCODE_LOD_LOGICAL: + case SHADER_OPCODE_TG4_LOGICAL: + case SHADER_OPCODE_TG4_OFFSET_LOGICAL: + case SHADER_OPCODE_UNTYPED_ATOMIC_LOGICAL: + case SHADER_OPCODE_UNTYPED_SURFACE_READ_LOGICAL: + case SHADER_OPCODE_UNTYPED_SURFACE_WRITE_LOGICAL: + case SHADER_OPCODE_TYPED_ATOMIC_LOGICAL: + case SHADER_OPCODE_TYPED_SURFACE_READ_LOGICAL: + case SHADER_OPCODE_TYPED_SURFACE_WRITE_LOGICAL: + inst->src[i] = val; + progress = true; + break; + case FS_OPCODE_UNIFORM_PULL_CONSTANT_LOAD: case SHADER_OPCODE_BROADCAST: inst->src[i] = val;