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st: add support for INTEL_blackhole_render

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Adding a new CSO proved to be fairly difficult especially because this
extension affect draw/dispatch/blit alike.

Instead this change passes the state of the noop into the entry points
emitting the operations affected.

v2: Fix assert in default pipe caps

v3: Drop whitespace changes (Ken)

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/2964>
This commit is contained in:
Lionel Landwerlin
2019-12-05 14:46:51 +02:00
committed by Marge Bot
parent 5d7e9edba1
commit 6d35610bd5
5 changed files with 21 additions and 0 deletions
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4
src/gallium/auxiliary/util/u_screen.c
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@@ -408,6 +408,10 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
case PIPE_CAP_INTEGER_MULTIPLY_32X16: case PIPE_CAP_INTEGER_MULTIPLY_32X16:
return 0; return 0;
case PIPE_CAP_FRONTEND_NOOP:
/* Enables INTEL_blackhole_render */
return 0;
default: default:
unreachable("bad PIPE_CAP_*"); unreachable("bad PIPE_CAP_*");
} }

11
src/gallium/include/pipe/p_context.h
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@@ -468,6 +468,17 @@ struct pipe_context {
/*@}*/ /*@}*/
/**
* INTEL_blackhole_render
*/
/*@{*/
void (*set_frontend_noop)(struct pipe_context *,
bool enable);
/*@}*/
/** /**
* Resource functions for blit-like functionality * Resource functions for blit-like functionality
* *

2
src/gallium/include/pipe/p_defines.h
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@@ -912,6 +912,8 @@ enum pipe_cap
PIPE_CAP_MAX_VERTEX_BUFFERS, PIPE_CAP_MAX_VERTEX_BUFFERS,
PIPE_CAP_OPENCL_INTEGER_FUNCTIONS, PIPE_CAP_OPENCL_INTEGER_FUNCTIONS,
PIPE_CAP_INTEGER_MULTIPLY_32X16, PIPE_CAP_INTEGER_MULTIPLY_32X16,
/* Turn draw, dispatch, blit into NOOP */
PIPE_CAP_FRONTEND_NOOP,
}; };
/** /**

3
src/mesa/state_tracker/st_context.c
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@@ -105,6 +105,9 @@ st_Enable(struct gl_context *ctx, GLenum cap, GLboolean state)
case GL_DEBUG_OUTPUT_SYNCHRONOUS: case GL_DEBUG_OUTPUT_SYNCHRONOUS:
st_update_debug_callback(st); st_update_debug_callback(st);
break; break;
case GL_BLACKHOLE_RENDER_INTEL:
st->pipe->set_frontend_noop(st->pipe, ctx->IntelBlackholeRender);
break;
default: default:
break; break;
} }

1
src/mesa/state_tracker/st_extensions.c
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@@ -793,6 +793,7 @@ void st_init_extensions(struct pipe_screen *screen,
{ o(OES_texture_float_linear), PIPE_CAP_TEXTURE_FLOAT_LINEAR }, { o(OES_texture_float_linear), PIPE_CAP_TEXTURE_FLOAT_LINEAR },
{ o(OES_texture_half_float_linear), PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR }, { o(OES_texture_half_float_linear), PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR },
{ o(OES_texture_view), PIPE_CAP_SAMPLER_VIEW_TARGET }, { o(OES_texture_view), PIPE_CAP_SAMPLER_VIEW_TARGET },
{ o(INTEL_blackhole_render), PIPE_CAP_FRONTEND_NOOP, },
}; };
/* Required: render target and sampler support */ /* Required: render target and sampler support */