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authorIlia Mirkin <[email protected]>2015-09-10 21:44:45 -0400
committerIlia Mirkin <[email protected]>2015-09-13 18:24:45 -0400
commit67d2d3ba433a43bbf03b80c1d7e140e1fc9de2f6 (patch)
treeceff7185a025fac7440c56278c7fd21e6574de01 /src/mesa/state_tracker
parentec3fe42b3a7c8d8a33d66aa7e3a43330b9c3c926 (diff)
st/mesa: emit TXQS, support ARB_shader_texture_image_samples
The image component of the ext is a no-op since there is no image support in gallium (yet). Signed-off-by: Ilia Mirkin <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]> Reviewed-by: Brian Paul <[email protected]>
Diffstat (limited to 'src/mesa/state_tracker')
-rw-r--r--src/mesa/state_tracker/st_extensions.c1
-rw-r--r--src/mesa/state_tracker/st_glsl_to_tgsi.cpp6
2 files changed, 6 insertions, 1 deletions
diff --git a/src/mesa/state_tracker/st_extensions.c b/src/mesa/state_tracker/st_extensions.c
index 884761c6c30..e2902923cb7 100644
--- a/src/mesa/state_tracker/st_extensions.c
+++ b/src/mesa/state_tracker/st_extensions.c
@@ -449,6 +449,7 @@ void st_init_extensions(struct pipe_screen *screen,
{ o(ARB_point_sprite), PIPE_CAP_POINT_SPRITE },
{ o(ARB_seamless_cube_map), PIPE_CAP_SEAMLESS_CUBE_MAP },
{ o(ARB_shader_stencil_export), PIPE_CAP_SHADER_STENCIL_EXPORT },
+ { o(ARB_shader_texture_image_samples), PIPE_CAP_TGSI_TXQS },
{ o(ARB_shader_texture_lod), PIPE_CAP_SM3 },
{ o(ARB_shadow), PIPE_CAP_TEXTURE_SHADOW_MAP },
{ o(ARB_texture_buffer_object), PIPE_CAP_TEXTURE_BUFFER_OBJECTS },
diff --git a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
index 625c4e9c8a6..c3a8c119b1e 100644
--- a/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
+++ b/src/mesa/state_tracker/st_glsl_to_tgsi.cpp
@@ -3229,7 +3229,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
opcode = TGSI_OPCODE_LODQ;
break;
case ir_texture_samples:
- unreachable("unexpected texture op");
+ opcode = TGSI_OPCODE_TXQS;
+ break;
}
if (ir->projector) {
@@ -3339,6 +3340,8 @@ glsl_to_tgsi_visitor::visit(ir_texture *ir)
emit_asm(ir, TGSI_OPCODE_MOV, result_dst, levels_src);
} else
inst = emit_asm(ir, opcode, result_dst, lod_info);
+ } else if (opcode == TGSI_OPCODE_TXQS) {
+ inst = emit_asm(ir, opcode, result_dst);
} else if (opcode == TGSI_OPCODE_TXF) {
inst = emit_asm(ir, opcode, result_dst, coord);
} else if (opcode == TGSI_OPCODE_TXL2 || opcode == TGSI_OPCODE_TXB2) {
@@ -5030,6 +5033,7 @@ compile_tgsi_instruction(struct st_translate *t,
case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXP:
case TGSI_OPCODE_TXQ:
+ case TGSI_OPCODE_TXQS:
case TGSI_OPCODE_TXF:
case TGSI_OPCODE_TEX2:
case TGSI_OPCODE_TXB2: