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panfrost: Use natural shader limits

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Mostly arbitrary. Use the Gallium limits which are all less than the
hardware limits, and static_assert that this is the case to future
proof.

Signed-off-by: Alyssa Rosenzweig <alyssa@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10845>
This commit is contained in:
Alyssa Rosenzweig 2021-05-10 13:08:16 -04:00 • committed by Marge Bot
parent 73ca229690
commit fdbf8c96fe
1 changed files with 15 additions and 6 deletions
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21
src/gallium/drivers/panfrost/pan_screen.c
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@ -180,10 +180,12 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 0;
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return 4;
return PIPE_MAX_SO_BUFFERS;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 64;
return PIPE_MAX_SO_OUTPUTS;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
return 1;
@ -283,7 +285,7 @@ panfrost_get_param(struct pipe_screen *screen, enum pipe_cap param)
return 4;
case PIPE_CAP_MAX_VARYINGS:
return 16;
return PIPE_MAX_ATTRIBS;
/* Removed in v6 (Bifrost) */
case PIPE_CAP_ALPHA_TEST:
@ -345,10 +347,12 @@ panfrost_get_shader_param(struct pipe_screen *screen,
return 1024;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 16;
/* Hardware limit is 4095 but we have driver internal inputs */
STATIC_ASSERT(PIPE_MAX_ATTRIBS < (0x1000 - 16));
return PIPE_MAX_ATTRIBS;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return shader == PIPE_SHADER_FRAGMENT ? 8 : 16;
return shader == PIPE_SHADER_FRAGMENT ? 8 : PIPE_MAX_ATTRIBS;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 256; /* GL_MAX_PROGRAM_TEMPORARIES_ARB */
@ -357,6 +361,7 @@ panfrost_get_shader_param(struct pipe_screen *screen,
return 16 * 1024 * sizeof(float);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
STATIC_ASSERT(PAN_MAX_CONST_BUFFERS < 0x100);
return PAN_MAX_CONST_BUFFERS;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
@ -406,8 +411,12 @@ panfrost_get_shader_param(struct pipe_screen *screen,
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
STATIC_ASSERT(PIPE_MAX_SAMPLERS < 0x10000);
return PIPE_MAX_SAMPLERS;
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return 16; /* XXX: How many? */
STATIC_ASSERT(PIPE_MAX_SHADER_SAMPLER_VIEWS < 0x10000);
return PIPE_MAX_SHADER_SAMPLER_VIEWS;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_NIR;