intel/isl: Add basic modifier introspection
Reviewed-by: Topi Pohjolainen <topi.pohjolainen@intel.com> Reviewed-by: Chad Versace <chadversary@chromium.org>
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@ -38,6 +38,7 @@ AM_CPPFLAGS = \
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-I$(top_srcdir)/src/gallium/auxiliary \
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-I$(top_srcdir)/src/gallium/include \
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$(VALGRIND_CFLAGS) \
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$(LIBDRM_CFLAGS) \
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$(DEFINES)
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AM_CFLAGS = \
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@ -148,6 +148,7 @@ GENXML_GENERATED_FILES = \
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ISL_FILES = \
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isl/isl.c \
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isl/isl.h \
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isl/isl_drm.c \
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isl/isl_format.c \
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isl/isl_priv.h \
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isl/isl_storage_image.c
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@ -1031,6 +1031,25 @@ struct isl_tile_info {
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struct isl_extent2d phys_extent_B;
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};
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/**
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* Metadata about a DRM format modifier.
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*/
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struct isl_drm_modifier_info {
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uint64_t modifier;
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/** Text name of the modifier */
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const char *name;
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/** ISL tiling implied by this modifier */
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enum isl_tiling tiling;
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/** ISL aux usage implied by this modifier */
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enum isl_aux_usage aux_usage;
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/** Whether or not this modifier supports clear color */
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bool supports_clear_color;
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};
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/**
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* @brief Input to surface initialization
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*
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@ -1494,6 +1513,9 @@ isl_tiling_is_std_y(enum isl_tiling tiling)
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return (1u << tiling) & ISL_TILING_STD_Y_MASK;
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}
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const struct isl_drm_modifier_info * ATTRIBUTE_CONST
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isl_drm_modifier_get_info(uint64_t modifier);
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struct isl_extent2d ATTRIBUTE_CONST
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isl_get_interleaved_msaa_px_size_sa(uint32_t samples);
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@ -0,0 +1,59 @@
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/*
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* Copyright 2017 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <assert.h>
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#include <stdlib.h>
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#include <drm_fourcc.h>
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#include "isl.h"
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#include "common/gen_device_info.h"
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struct isl_drm_modifier_info modifier_info[] = {
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{
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.modifier = DRM_FORMAT_MOD_NONE,
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.name = "DRM_FORMAT_MOD_NONE",
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.tiling = ISL_TILING_LINEAR,
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},
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{
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.modifier = I915_FORMAT_MOD_X_TILED,
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.name = "I915_FORMAT_MOD_X_TILED",
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.tiling = ISL_TILING_X,
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},
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{
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.modifier = I915_FORMAT_MOD_Y_TILED,
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.name = "I915_FORMAT_MOD_Y_TILED",
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.tiling = ISL_TILING_Y0,
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},
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};
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const struct isl_drm_modifier_info *
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isl_drm_modifier_get_info(uint64_t modifier)
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{
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for (unsigned i = 0; i < ARRAY_SIZE(modifier_info); i++) {
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if (modifier_info[i].modifier == modifier)
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return &modifier_info[i];
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}
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return NULL;
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}
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