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gallium: add PIPE_SHADER_CAP_GLSL_16BIT_TEMPS for LowerPrecisionTemporaries

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Reviewed-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5746>
This commit is contained in:
Marek Olšák
2020-07-06 20:45:27 -04:00
parent 6aea39641a
commit 75b59bb1d6
21 changed files with 27 additions and 0 deletions
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2
docs/gallium/screen.rst
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@@ -659,6 +659,8 @@ MOV OUT[0], CONST[0][3] # copy vector 3 of constbuf 0
DDX and DDY opcodes are supported.
* ``PIPE_SHADER_CAP_INT16``: Whether 16-bit signed and unsigned integer types
are supported.
* ``PIPE_SHADER_CAP_GLSL_16BIT_TEMPS``: Lower mediump temporaries to 16-bit.
This generates 16-bit phis in NIR, 16-bit loop counters, and 16-bit indirect arrays.
* ``PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS``: The maximum number of texture
samplers.
* ``PIPE_SHADER_CAP_PREFERRED_IR``: Preferred representation of the

1
src/gallium/auxiliary/gallivm/lp_bld_limits.h
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@@ -128,6 +128,7 @@ gallivm_get_shader_param(enum pipe_shader_cap param)
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return PIPE_MAX_SAMPLERS;

1
src/gallium/auxiliary/tgsi/tgsi_exec.h
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@@ -510,6 +510,7 @@ tgsi_exec_get_shader_param(enum pipe_shader_cap param)
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return PIPE_MAX_SAMPLERS;

1
src/gallium/drivers/etnaviv/etnaviv_screen.c
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@@ -352,6 +352,7 @@ etna_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return DBG_ENABLED(ETNA_DBG_NIR) && screen->specs.halti >= 2;

1
src/gallium/drivers/freedreno/freedreno_screen.c
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@@ -574,6 +574,7 @@ fd_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_FP16:
return ((is_a5xx(screen) || is_a6xx(screen)) &&

1
src/gallium/drivers/i915/i915_screen.c
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@@ -162,6 +162,7 @@ i915_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:

1
src/gallium/drivers/iris/iris_screen.c
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@@ -408,6 +408,7 @@ iris_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:

2
src/gallium/drivers/nouveau/nv30/nv30_screen.c
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@@ -353,6 +353,7 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
@@ -407,6 +408,7 @@ nv30_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:

1
src/gallium/drivers/nouveau/nv50/nv50_screen.c
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@@ -438,6 +438,7 @@ nv50_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_SUBROUTINES:
return 0; /* please inline, or provide function declarations */
case PIPE_SHADER_CAP_INTEGERS:

1
src/gallium/drivers/nouveau/nvc0/nvc0_screen.c
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@@ -510,6 +510,7 @@ nvc0_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTER_BUFFERS:
return 0;

1
src/gallium/drivers/panfrost/pan_screen.c
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@@ -362,6 +362,7 @@ panfrost_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:

2
src/gallium/drivers/r300/r300_screen.c
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@@ -295,6 +295,7 @@ static int r300_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:
@@ -360,6 +361,7 @@ static int r300_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_INT64_ATOMICS:
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:

1
src/gallium/drivers/r600/r600_pipe.c
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@@ -615,6 +615,7 @@ static int r600_get_shader_param(struct pipe_screen* pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:

1
src/gallium/drivers/radeonsi/si_get.c
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@@ -457,6 +457,7 @@ static int si_get_shader_param(struct pipe_screen *pscreen, enum pipe_shader_typ
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_SUBROUTINES:
case PIPE_SHADER_CAP_SUPPORTED_IRS:
case PIPE_SHADER_CAP_MAX_HW_ATOMIC_COUNTERS:

3
src/gallium/drivers/svga/svga_screen.c
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@@ -580,6 +580,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
@@ -649,6 +650,7 @@ vgpu9_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
@@ -759,6 +761,7 @@ vgpu10_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return FALSE;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:

1
src/gallium/drivers/v3d/v3d_screen.c
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@@ -375,6 +375,7 @@ v3d_screen_get_shader_param(struct pipe_screen *pscreen, unsigned shader,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:

1
src/gallium/drivers/vc4/vc4_screen.c
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@@ -280,6 +280,7 @@ vc4_screen_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_LDEXP_SUPPORTED:

1
src/gallium/drivers/virgl/virgl_screen.c
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@@ -466,6 +466,7 @@ virgl_get_shader_param(struct pipe_screen *screen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0;
default:
return 0;

1
src/gallium/drivers/zink/zink_screen.c
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@@ -433,6 +433,7 @@ zink_get_shader_param(struct pipe_screen *pscreen,
case PIPE_SHADER_CAP_FP16:
case PIPE_SHADER_CAP_FP16_DERIVATIVES:
case PIPE_SHADER_CAP_INT16:
case PIPE_SHADER_CAP_GLSL_16BIT_TEMPS:
return 0; /* not implemented */
case PIPE_SHADER_CAP_PREFERRED_IR:

1
src/gallium/include/pipe/p_defines.h
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@@ -1021,6 +1021,7 @@ enum pipe_shader_cap
PIPE_SHADER_CAP_FP16,
PIPE_SHADER_CAP_FP16_DERIVATIVES,
PIPE_SHADER_CAP_INT16,
PIPE_SHADER_CAP_GLSL_16BIT_TEMPS,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS,
PIPE_SHADER_CAP_PREFERRED_IR,
PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED,

2
src/mesa/state_tracker/st_extensions.c
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@@ -346,6 +346,8 @@ void st_init_limits(struct pipe_screen *screen,
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_FP16_DERIVATIVES);
options->LowerPrecisionInt16 =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_INT16);
options->LowerPrecisionTemporaries =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_GLSL_16BIT_TEMPS);
}
c->MaxUserAssignableUniformLocations =