cc19547b8c
So that whenever forced to choose between two levels of detail (two mipmaps) we will land on the sharpest looking one (highest resolution). That's the mipmap level equal to the floor of the current level of detail requested. Closes: https://gitlab.gnome.org/GNOME/gnome-shell/-/issues/5920 Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2644>
104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/*
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* Cogl
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*
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* A Low Level GPU Graphics and Utilities API
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*
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* Copyright (C) 2010,2013 Intel Corporation.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use, copy,
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* modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is
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* 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 shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*
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*/
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#ifndef __COGL_PRIVATE_H__
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#define __COGL_PRIVATE_H__
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#include <cogl/cogl-pipeline.h>
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#include "cogl-context.h"
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#include "cogl-flags.h"
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G_BEGIN_DECLS
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typedef enum
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{
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COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE,
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COGL_PRIVATE_FEATURE_MESA_PACK_INVERT,
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COGL_PRIVATE_FEATURE_PBOS,
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COGL_PRIVATE_FEATURE_EXT_PACKED_DEPTH_STENCIL,
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COGL_PRIVATE_FEATURE_OES_PACKED_DEPTH_STENCIL,
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COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_BGRA8888,
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COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_RGBA1010102,
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COGL_PRIVATE_FEATURE_TEXTURE_FORMAT_HALF_FLOAT,
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COGL_PRIVATE_FEATURE_UNPACK_SUBIMAGE,
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COGL_PRIVATE_FEATURE_SAMPLER_OBJECTS,
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COGL_PRIVATE_FEATURE_READ_PIXELS_ANY_FORMAT,
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COGL_PRIVATE_FEATURE_FORMAT_CONVERSION,
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COGL_PRIVATE_FEATURE_QUERY_FRAMEBUFFER_BITS,
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COGL_PRIVATE_FEATURE_QUERY_TEXTURE_PARAMETERS,
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COGL_PRIVATE_FEATURE_ALPHA_TEXTURES,
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COGL_PRIVATE_FEATURE_TEXTURE_SWIZZLE,
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COGL_PRIVATE_FEATURE_TEXTURE_MAX_LEVEL,
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COGL_PRIVATE_FEATURE_TEXTURE_LOD_BIAS,
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COGL_PRIVATE_FEATURE_OES_EGL_SYNC,
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/* If this is set then the winsys is responsible for queueing dirty
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* events. Otherwise a dirty event will be queued when the onscreen
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* is first allocated or when it is shown or resized */
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COGL_PRIVATE_FEATURE_DIRTY_EVENTS,
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/* This feature allows for explicitly selecting a GL-based backend,
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* as opposed to nop or (in the future) Vulkan.
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*/
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COGL_PRIVATE_FEATURE_ANY_GL,
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/* This is a Mali bug/quirk: */
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COGL_PRIVATE_QUIRK_GENERATE_MIPMAP_NEEDS_FLUSH,
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COGL_N_PRIVATE_FEATURES
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} CoglPrivateFeature;
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/* Sometimes when evaluating pipelines, either during comparisons or
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* if calculating a hash value we need to tweak the evaluation
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* semantics */
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typedef enum _CoglPipelineEvalFlags
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{
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COGL_PIPELINE_EVAL_FLAG_NONE = 0
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} CoglPipelineEvalFlags;
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void
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_cogl_transform_point (const graphene_matrix_t *matrix_mv,
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const graphene_matrix_t *matrix_p,
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const float *viewport,
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float *x,
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float *y);
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gboolean
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_cogl_check_extension (const char *name, char * const *ext);
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void
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_cogl_init (void);
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#define _cogl_has_private_feature(ctx, feature) \
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COGL_FLAGS_GET ((ctx)->private_features, (feature))
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G_END_DECLS
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#endif /* __COGL_PRIVATE_H__ */
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