diff options
| author | Ilia Mirkin <[email protected]> | 2015-10-29 02:52:57 -0400 |
|---|---|---|
| committer | Ilia Mirkin <[email protected]> | 2016-01-03 16:20:47 -0500 |
| commit | 20dee333f3790b0a8f197efeaa54f91522cb606a (patch) | |
| tree | b79d2fd0f6b41ff63ff8e8288e8d1b5e7e487e51 /src/mesa/state_tracker | |
| parent | e9f43d6333657d3f6c47c656fbbe18aaebbe804a (diff) | |
st/mesa: use PK2H/UP2H when supported
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Edward O'Callaghan <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker')
| -rw-r--r-- | src/mesa/state_tracker/st_context.c | 2 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_context.h | 1 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_glsl_to_tgsi.cpp | 16 |
3 files changed, 14 insertions, 5 deletions
diff --git a/src/mesa/state_tracker/st_context.c b/src/mesa/state_tracker/st_context.c index 2fb792d628f..724c3c5938a 100644 --- a/src/mesa/state_tracker/st_context.c +++ b/src/mesa/state_tracker/st_context.c @@ -248,6 +248,8 @@ st_create_context_priv( struct gl_context *ctx, struct pipe_context *pipe, PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600)); st->has_time_elapsed = screen->get_param(screen, PIPE_CAP_QUERY_TIME_ELAPSED); + st->has_half_float_packing = + screen->get_param(screen, PIPE_CAP_TGSI_PACK_HALF_FLOAT); /* GL limits and extensions */ st_init_limits(st->pipe->screen, &ctx->Const, &ctx->Extensions); diff --git a/src/mesa/state_tracker/st_context.h b/src/mesa/state_tracker/st_context.h index 60a9a4bb0d5..276fa63223e 100644 --- a/src/mesa/state_tracker/st_context.h +++ b/src/mesa/state_tracker/st_context.h @@ -101,6 +101,7 @@ struct st_context boolean prefer_blit_based_texture_transfer; boolean force_persample_in_shader; boolean has_shareable_shaders; + boolean has_half_float_packing; /** * If a shader can be created when we get its source. diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp index cdbe2f4f8a8..2adb57d11ad 100644 --- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp +++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp @@ -2163,15 +2163,20 @@ glsl_to_tgsi_visitor::visit(ir_expression *ir) } break; + case ir_unop_pack_half_2x16: + emit_asm(ir, TGSI_OPCODE_PK2H, result_dst, op[0]); + break; + case ir_unop_unpack_half_2x16: + emit_asm(ir, TGSI_OPCODE_UP2H, result_dst, op[0]); + break; + case ir_unop_pack_snorm_2x16: case ir_unop_pack_unorm_2x16: - case ir_unop_pack_half_2x16: case ir_unop_pack_snorm_4x8: case ir_unop_pack_unorm_4x8: case ir_unop_unpack_snorm_2x16: case ir_unop_unpack_unorm_2x16: - case ir_unop_unpack_half_2x16: case ir_unop_unpack_half_2x16_split_x: case ir_unop_unpack_half_2x16_split_y: case ir_unop_unpack_snorm_4x8: @@ -5853,13 +5858,14 @@ st_link_shader(struct gl_context *ctx, struct gl_shader_program *prog) LOWER_PACK_SNORM_4x8 | LOWER_UNPACK_SNORM_4x8 | LOWER_UNPACK_UNORM_4x8 | - LOWER_PACK_UNORM_4x8 | - LOWER_PACK_HALF_2x16 | - LOWER_UNPACK_HALF_2x16; + LOWER_PACK_UNORM_4x8; if (ctx->Extensions.ARB_gpu_shader5) lower_inst |= LOWER_PACK_USE_BFI | LOWER_PACK_USE_BFE; + if (!ctx->st->has_half_float_packing) + lower_inst |= LOWER_PACK_HALF_2x16 | + LOWER_UNPACK_HALF_2x16; lower_packing_builtins(ir, lower_inst); } |