This is for reporting whether or not double precision floating-point
operations are supported.
Reviewed-by: Francisco Jerez <curroje...@riseup.net>
---
src/gallium/auxiliary/gallivm/lp_bld_limits.h | 2 ++
src/gallium/auxiliary/tgsi/tgsi_exec.h | 2 ++
src/gallium/docs/source/screen.rst | 2 ++
src/gallium/drivers/radeonsi/si_pipe.c | 5 +++++
src/gallium/include/pipe/p_defines.h | 3 ++-
5 files changed, 13 insertions(+), 1 deletion(-)
diff --git a/src/gallium/auxiliary/gallivm/lp_bld_limits.h
b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
index 6cb0949..9ccaf46 100644
--- a/src/gallium/auxiliary/gallivm/lp_bld_limits.h
+++ b/src/gallium/auxiliary/gallivm/lp_bld_limits.h
@@ -126,6 +126,8 @@ gallivm_get_shader_param(enum pipe_shader_cap param)
return PIPE_SHADER_IR_TGSI;
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 1;
+ case PIPE_SHADER_CAP_DOUBLES:
+ return 0;
}
/* if we get here, we missed a shader cap above (and should have seen
* a compiler warning.)
diff --git a/src/gallium/auxiliary/tgsi/tgsi_exec.h
b/src/gallium/auxiliary/tgsi/tgsi_exec.h
index d53c4ba..56a7034 100644
--- a/src/gallium/auxiliary/tgsi/tgsi_exec.h
+++ b/src/gallium/auxiliary/tgsi/tgsi_exec.h
@@ -456,6 +456,8 @@ tgsi_exec_get_shader_param(enum pipe_shader_cap param)
return PIPE_SHADER_IR_TGSI;
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 1;
+ case PIPE_SHADER_CAP_DOUBLES:
+ return 0;
}
/* if we get here, we missed a shader cap above (and should have seen
* a compiler warning.)
diff --git a/src/gallium/docs/source/screen.rst
b/src/gallium/docs/source/screen.rst
index 1a80b04..9522090 100644
--- a/src/gallium/docs/source/screen.rst
+++ b/src/gallium/docs/source/screen.rst
@@ -282,6 +282,8 @@ to be 0.
program. It should be one of the ``pipe_shader_ir`` enum values.
* ``PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS``: The maximum number of texture
sampler views. Must not be lower than PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS.
+* ``PIPE_SHADER_CAP_DOUBLES``: Whether double precision floating-point
+ operations are supported.
.. _pipe_compute_cap:
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c
b/src/gallium/drivers/radeonsi/si_pipe.c
index 07f4291..6263c70 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -325,6 +325,9 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
unsigned shader, enu
switch (param) {
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_LLVM;
+ case PIPE_SHADER_CAP_DOUBLES:
+ return 0; /* XXX: Enable doubles once the compiler can
+ handle them. */
default:
return 0;
}
@@ -376,6 +379,8 @@ static int si_get_shader_param(struct pipe_screen* pscreen,
unsigned shader, enu
return 16;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_TGSI;
+ case PIPE_SHADER_CAP_DOUBLES:
+ return 0;
}
return 0;
}
diff --git a/src/gallium/include/pipe/p_defines.h
b/src/gallium/include/pipe/p_defines.h
index 90f6493..9a9963d 100644
--- a/src/gallium/include/pipe/p_defines.h
+++ b/src/gallium/include/pipe/p_defines.h
@@ -617,7 +617,8 @@ enum pipe_shader_cap
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
PIPE_SHADER_CAP_PREFERRED_IR,
PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,
- PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS
+ PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS,
+ PIPE_SHADER_CAP_DOUBLES
};
/**
--
1.8.1.5
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