From: Tom Stellard Date: Tue, 17 Jun 2014 15:52:34 +0000 (-0700) Subject: gallium: Add PIPE_SHADER_CAP_DOUBLES X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=fea996c2aaf47707bd3f89ef493ae5760b4fe608;p=mesa.git gallium: Add PIPE_SHADER_CAP_DOUBLES This is for reporting whether or not double precision floating-point operations are supported. Reviewed-by: Francisco Jerez --- diff --git a/src/gallium/auxiliary/gallivm/lp_bld_limits.h b/src/gallium/auxiliary/gallivm/lp_bld_limits.h index 6cb09490bc8..9ccaf46ead2 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 d53c4ba5502..56a7034a313 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 a01810f2458..2ea0da83f48 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 647d055a7cb..9fc4c98808e 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 d4dfdd69174..184235d6cf6 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 166391d6988..4d941a03ce6 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 }; /**