It's intended to indicate whether the driver/hardware supports reading
of the values written into shader outputs.
Signed-off-by: Vadim Girlin <vadimgir...@gmail.com>
---
src/gallium/auxiliary/tgsi/tgsi_ureg.c | 1 -
src/gallium/include/pipe/p_defines.h | 3 ++-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
index cada435..cd445a6 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_ureg.c
+++ b/src/gallium/auxiliary/tgsi/tgsi_ureg.c
@@ -799,7 +799,6 @@ ureg_emit_src( struct ureg_program *ureg,
unsigned n = 0;
assert(src.File != TGSI_FILE_NULL);
- assert(src.File != TGSI_FILE_OUTPUT);
assert(src.File < TGSI_FILE_COUNT);
out[n].value = 0;
diff --git a/src/gallium/include/pipe/p_defines.h
b/src/gallium/include/pipe/p_defines.h
index 5196591..6d6faab 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -501,7 +501,8 @@ enum pipe_shader_cap
PIPE_SHADER_CAP_INDIRECT_CONST_ADDR = 15,
PIPE_SHADER_CAP_SUBROUTINES = 16, /* BGNSUB, ENDSUB, CAL, RET */
PIPE_SHADER_CAP_INTEGERS = 17,
- PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS = 18
+ PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS = 18,
+ PIPE_SHADER_CAP_OUTPUT_READ = 19
};
--
1.7.7.1
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