From fea996c2aaf47707bd3f89ef493ae5760b4fe608 Mon Sep 17 00:00:00 2001 From: Tom Stellard Date: Tue, 17 Jun 2014 08:52:34 -0700 Subject: [PATCH] gallium: Add PIPE_SHADER_CAP_DOUBLES This is for reporting whether or not double precision floating-point operations are supported. Reviewed-by: Francisco Jerez --- 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/r600/r600_pipe.c | 2 ++ src/gallium/drivers/radeonsi/si_pipe.c | 5 +++++ src/gallium/include/pipe/p_defines.h | 3 ++- 6 files changed, 15 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 a01810f..2ea0da8 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -288,6 +288,8 @@ 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/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 647d055..9fc4c98 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -447,6 +447,8 @@ static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, e } else { return PIPE_SHADER_IR_TGSI; } + case PIPE_SHADER_CAP_DOUBLES: + return 0; } return 0; } diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index d4dfdd6..184235d 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -327,6 +327,9 @@ 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; } @@ -378,6 +381,8 @@ 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 166391d..4d941a0 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -620,7 +620,8 @@ 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 }; /** -- 2.7.4