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mesa: Implement MESA_texture_const_bandwidth

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Closes: https://gitlab.freedesktop.org/mesa/mesa/-/issues/9891
Signed-off-by: Rob Clark <robdclark@chromium.org>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/25464>
This commit is contained in:
Rob Clark 2023-09-28 13:21:22 -07:00 committed by Marge Bot
parent d0c81e12f3
commit 5cccd6d689
8 changed files with 15 additions and 2 deletions
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1
docs/gallium/screen.rst
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@ -646,6 +646,7 @@ The integer capabilities:
* ``PIPE_CAP_DEVICE_PROTECTED_CONTEXT``: Whether the device supports protected / encrypted context which can manipulate protected / encrypted content (some devices might need protected contexts to access protected content, whereas ``PIPE_CAP_DEVICE_PROTECTED_SURFACE`` does not require any particular context to do so).
* ``PIPE_CAP_ALLOW_GLTHREAD_BUFFER_SUBDATA_OPT``: Whether to allow glthread to convert glBufferSubData to glCopyBufferSubData. This may improve or worsen performance depending on your driver.
* ``PIPE_CAP_VALIDATE_ALL_DIRTY_STATES`` : Whether state validation must also validate the state changes for resources types used in the previous shader but not in the current shader.
* ``PIPE_CAP_HAS_CONST_BW``: Whether the driver only supports non-data-dependent layouts (ie. not bandwidth compressed formats like AFBC, UBWC, etc), or supports ``PIPE_BIND_CONST_BW`` to disable data-dependent layouts on requested resources.
* ``PIPE_CAP_NULL_TEXTURES`` : Whether the driver supports sampling from NULL textures.
* ``PIPE_CAP_ASTC_VOID_EXTENTS_NEED_DENORM_FLUSH`` : True if the driver/hardware needs denormalized values in ASTC void extent blocks flushed to zero.

1
src/gallium/auxiliary/util/u_screen.c
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@ -548,6 +548,7 @@ u_pipe_screen_get_param_defaults(struct pipe_screen *pscreen,
case PIPE_CAP_VALIDATE_ALL_DIRTY_STATES:
case PIPE_CAP_NULL_TEXTURES:
case PIPE_CAP_ASTC_VOID_EXTENTS_NEED_DENORM_FLUSH:
case PIPE_CAP_HAS_CONST_BW:
return 0;
default:

3
src/gallium/include/pipe/p_defines.h
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@ -481,7 +481,7 @@ enum pipe_flush_flags
/* Resource is the DRI_PRIME blit destination. Only set on on the render GPU. */
#define PIPE_BIND_PRIME_BLIT_DST (1 << 24)
#define PIPE_BIND_USE_FRONT_RENDERING (1 << 25) /* Resource may be used for frontbuffer rendering */
#define PIPE_BIND_CONST_BW (1 << 26) /* Avoid using a data dependent layout (AFBC, UBWC, etc) */
/**
* Flags for the driver about resource behaviour:
@ -935,6 +935,7 @@ enum pipe_cap
PIPE_CAP_ASTC_VOID_EXTENTS_NEED_DENORM_FLUSH,
PIPE_CAP_VALIDATE_ALL_DIRTY_STATES,
PIPE_CAP_HAS_CONST_BW,
PIPE_CAP_LAST,
/* XXX do not add caps after PIPE_CAP_LAST! */
};

1
src/mesa/main/consts_exts.h
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@ -249,6 +249,7 @@ struct gl_extensions
GLboolean KHR_texture_compression_astc_ldr;
GLboolean KHR_texture_compression_astc_sliced_3d;
GLboolean MESA_framebuffer_flip_y;
GLboolean MESA_texture_const_bandwidth;
GLboolean MESA_pack_invert;
GLboolean MESA_tile_raster_order;
GLboolean EXT_shader_framebuffer_fetch;

1
src/mesa/main/extensions_table.h
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@ -382,6 +382,7 @@ EXT(MESA_framebuffer_flip_y , MESA_framebuffer_flip_y
EXT(MESA_pack_invert , MESA_pack_invert , GLL, GLC, x , x , 2002)
EXT(MESA_sampler_objects , dummy_true , x , x , x , ES2, 2019)
EXT(MESA_shader_integer_functions , MESA_shader_integer_functions , GLL, GLC, x , 30, 2016)
EXT(MESA_texture_const_bandwidth , MESA_texture_const_bandwidth , GLL, GLC, x , ES2, 2023)
EXT(MESA_texture_signed_rgba , EXT_texture_snorm , GLL, GLC, x , x , 2009)
EXT(MESA_tile_raster_order , MESA_tile_raster_order , GLL, GLC, x , ES2, 2017)
EXT(MESA_window_pos , MESA_window_pos , GLL, x , x , x , 2000)

4
src/mesa/main/formatquery.c
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@ -764,10 +764,14 @@ _mesa_query_internal_format_default(struct gl_context *ctx, GLenum target,
break;
case GL_NUM_TILING_TYPES_EXT:
params[0] = 2;
if (_mesa_has_MESA_texture_const_bandwidth(ctx))
params[0]++;
break;
case GL_TILING_TYPES_EXT:
params[0] = GL_OPTIMAL_TILING_EXT;
params[1] = GL_LINEAR_TILING_EXT;
if (_mesa_has_MESA_texture_const_bandwidth(ctx))
params[2] = GL_CONST_BW_TILING_MESA;
break;
default:

5
src/mesa/state_tracker/st_cb_texture.c
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@ -3340,8 +3340,11 @@ st_texture_create_from_memory(struct st_context *st,
pt.bind = bind;
/* only set this for OpenGL textures, not renderbuffers */
pt.flags = PIPE_RESOURCE_FLAG_TEXTURING_MORE_LIKELY;
if (memObj->TextureTiling == GL_LINEAR_TILING_EXT)
if (memObj->TextureTiling == GL_LINEAR_TILING_EXT) {
pt.bind |= PIPE_BIND_LINEAR;
} else if (memObj->TextureTiling == GL_CONST_BW_TILING_MESA) {
pt.bind |= PIPE_BIND_CONST_BW;
}
pt.nr_samples = nr_samples;
pt.nr_storage_samples = nr_samples;

1
src/mesa/state_tracker/st_extensions.c
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@ -871,6 +871,7 @@ void st_init_extensions(struct pipe_screen *screen,
{ o(OES_texture_view), PIPE_CAP_SAMPLER_VIEW_TARGET },
{ o(INTEL_blackhole_render), PIPE_CAP_FRONTEND_NOOP },
{ o(ARM_shader_framebuffer_fetch_depth_stencil), PIPE_CAP_FBFETCH_ZS },
{ o(MESA_texture_const_bandwidth), PIPE_CAP_HAS_CONST_BW },
};
/* Required: render target and sampler support */