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aa92110f83
This adds a cogl_texture_2d_new_from_file() api since we are planning to remove cogl_texture_new_from_file() but don't want to loose the convenience it had. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 10e91aa513123ed277a8d45976f8d75445d7dc9c)
654 lines
20 KiB
C
654 lines
20 KiB
C
/*
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* Cogl
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*
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* An object oriented GL/GLES Abstraction/Utility Layer
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*
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* Copyright (C) 2009 Intel Corporation.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*
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*
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*
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* Authors:
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* Neil Roberts <neil@linux.intel.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "cogl-private.h"
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#include "cogl-util.h"
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#include "cogl-texture-private.h"
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#include "cogl-texture-2d-private.h"
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#include "cogl-texture-2d-gl-private.h"
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#include "cogl-texture-driver.h"
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#include "cogl-context-private.h"
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#include "cogl-object-private.h"
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#include "cogl-journal-private.h"
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#include "cogl-pipeline-opengl-private.h"
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#include "cogl-framebuffer-private.h"
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#include "cogl-error-private.h"
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#ifdef COGL_HAS_EGL_SUPPORT
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#include "cogl-winsys-egl-private.h"
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#endif
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#include <string.h>
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#include <math.h>
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#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT
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#include "cogl-wayland-server.h"
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#endif
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static void _cogl_texture_2d_free (CoglTexture2D *tex_2d);
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COGL_TEXTURE_DEFINE (Texture2D, texture_2d);
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static const CoglTextureVtable cogl_texture_2d_vtable;
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typedef struct _CoglTexture2DManualRepeatData
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{
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CoglTexture2D *tex_2d;
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CoglMetaTextureCallback callback;
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void *user_data;
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} CoglTexture2DManualRepeatData;
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static void
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_cogl_texture_2d_free (CoglTexture2D *tex_2d)
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{
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CoglContext *ctx = COGL_TEXTURE (tex_2d)->context;
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ctx->driver_vtable->texture_2d_free (tex_2d);
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/* Chain up */
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_cogl_texture_free (COGL_TEXTURE (tex_2d));
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}
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static CoglBool
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_cogl_texture_2d_can_create (CoglContext *ctx,
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unsigned int width,
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unsigned int height,
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CoglPixelFormat internal_format)
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{
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/* If NPOT textures aren't supported then the size must be a power
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of two */
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if (!cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) &&
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(!_cogl_util_is_pot (width) ||
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!_cogl_util_is_pot (height)))
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return FALSE;
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return ctx->driver_vtable->texture_2d_can_create (ctx,
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width,
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height,
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internal_format);
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}
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void
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_cogl_texture_2d_set_auto_mipmap (CoglTexture *tex,
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CoglBool value)
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{
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CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
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tex_2d->auto_mipmap = value;
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}
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CoglTexture2D *
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_cogl_texture_2d_create_base (CoglContext *ctx,
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int width,
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int height,
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CoglPixelFormat internal_format)
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{
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CoglTexture2D *tex_2d = g_new (CoglTexture2D, 1);
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CoglTexture *tex = COGL_TEXTURE (tex_2d);
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_cogl_texture_init (tex, ctx, width, height, &cogl_texture_2d_vtable);
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tex_2d->mipmaps_dirty = TRUE;
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tex_2d->auto_mipmap = TRUE;
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tex_2d->is_foreign = FALSE;
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tex_2d->internal_format = internal_format;
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ctx->driver_vtable->texture_2d_init (tex_2d);
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return _cogl_texture_2d_object_new (tex_2d);
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}
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CoglTexture2D *
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cogl_texture_2d_new_with_size (CoglContext *ctx,
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int width,
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int height,
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CoglPixelFormat internal_format)
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{
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/* Since no data, we need some internal format */
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if (internal_format == COGL_PIXEL_FORMAT_ANY)
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internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE;
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return _cogl_texture_2d_create_base (ctx,
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width, height,
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internal_format);
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}
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static CoglBool
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_cogl_texture_2d_allocate (CoglTexture *tex,
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CoglError **error)
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{
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CoglContext *ctx = tex->context;
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return ctx->driver_vtable->texture_2d_allocate (tex, error);
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}
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CoglTexture2D *
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_cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
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CoglPixelFormat internal_format,
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CoglBool can_convert_in_place,
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CoglError **error)
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{
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CoglContext *ctx;
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_COGL_RETURN_VAL_IF_FAIL (bmp != NULL, NULL);
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ctx = _cogl_bitmap_get_context (bmp);
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internal_format =
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_cogl_texture_determine_internal_format (cogl_bitmap_get_format (bmp),
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internal_format);
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if (!_cogl_texture_2d_can_create (ctx,
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cogl_bitmap_get_width (bmp),
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cogl_bitmap_get_height (bmp),
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internal_format))
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{
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_cogl_set_error (error, COGL_TEXTURE_ERROR,
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COGL_TEXTURE_ERROR_SIZE,
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"Failed to create texture 2d due to size/format"
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" constraints");
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return NULL;
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}
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return ctx->driver_vtable->texture_2d_new_from_bitmap (bmp,
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internal_format,
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can_convert_in_place,
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error);
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}
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CoglTexture2D *
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cogl_texture_2d_new_from_bitmap (CoglBitmap *bmp,
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CoglPixelFormat internal_format,
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CoglError **error)
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{
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return _cogl_texture_2d_new_from_bitmap (bmp, internal_format, FALSE, error);
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}
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CoglTexture2D *
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cogl_texture_2d_new_from_file (CoglContext *ctx,
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const char *filename,
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CoglPixelFormat internal_format,
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CoglError **error)
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{
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CoglBitmap *bmp;
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CoglTexture2D *tex_2d = NULL;
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_COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL);
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bmp = _cogl_bitmap_from_file (ctx, filename, error);
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if (bmp == NULL)
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return NULL;
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tex_2d = _cogl_texture_2d_new_from_bitmap (bmp,
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internal_format,
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TRUE, /* can convert in-place */
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error);
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cogl_object_unref (bmp);
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return tex_2d;
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}
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CoglTexture2D *
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cogl_texture_2d_new_from_data (CoglContext *ctx,
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int width,
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int height,
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CoglPixelFormat format,
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CoglPixelFormat internal_format,
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int rowstride,
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const uint8_t *data,
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CoglError **error)
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{
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CoglBitmap *bmp;
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CoglTexture2D *tex_2d;
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_COGL_RETURN_VAL_IF_FAIL (format != COGL_PIXEL_FORMAT_ANY, NULL);
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_COGL_RETURN_VAL_IF_FAIL (data != NULL, NULL);
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/* Rowstride from width if not given */
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if (rowstride == 0)
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rowstride = width * _cogl_pixel_format_get_bytes_per_pixel (format);
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/* Wrap the data into a bitmap */
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bmp = cogl_bitmap_new_for_data (ctx,
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width, height,
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format,
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rowstride,
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(uint8_t *) data);
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tex_2d = cogl_texture_2d_new_from_bitmap (bmp,
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internal_format,
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error);
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cogl_object_unref (bmp);
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return tex_2d;
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}
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#if defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base)
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/* NB: The reason we require the width, height and format to be passed
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* even though they may seem redundant is because GLES 1/2 don't
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* provide a way to query these properties. */
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CoglTexture2D *
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_cogl_egl_texture_2d_new_from_image (CoglContext *ctx,
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int width,
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int height,
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CoglPixelFormat format,
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EGLImageKHR image,
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CoglError **error)
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{
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_COGL_RETURN_VAL_IF_FAIL (_cogl_context_get_winsys (ctx)->constraints &
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COGL_RENDERER_CONSTRAINT_USES_EGL,
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NULL);
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_COGL_RETURN_VAL_IF_FAIL (ctx->private_feature_flags &
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COGL_PRIVATE_FEATURE_TEXTURE_2D_FROM_EGL_IMAGE,
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NULL);
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if (ctx->driver_vtable->egl_texture_2d_new_from_image)
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return ctx->driver_vtable->egl_texture_2d_new_from_image (ctx,
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width,
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height,
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format,
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image,
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error);
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else
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{
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_cogl_set_error (error,
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COGL_SYSTEM_ERROR,
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COGL_SYSTEM_ERROR_UNSUPPORTED,
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"Creating 2D textures from EGL images is not "
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"supported by the current driver");
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return NULL;
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}
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}
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#endif /* defined (COGL_HAS_EGL_SUPPORT) && defined (EGL_KHR_image_base) */
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#ifdef COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT
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CoglTexture2D *
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cogl_wayland_texture_2d_new_from_buffer (CoglContext *ctx,
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struct wl_resource *buffer_resource,
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CoglError **error)
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{
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struct wl_shm_buffer *shm_buffer;
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shm_buffer = wl_shm_buffer_get (buffer_resource);
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if (shm_buffer)
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{
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int stride = wl_shm_buffer_get_stride (shm_buffer);
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CoglPixelFormat format;
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CoglPixelFormat internal_format = COGL_PIXEL_FORMAT_ANY;
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int width = wl_shm_buffer_get_width (shm_buffer);
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int height = wl_shm_buffer_get_height (shm_buffer);
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switch (wl_shm_buffer_get_format (shm_buffer))
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{
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#if G_BYTE_ORDER == G_BIG_ENDIAN
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case WL_SHM_FORMAT_ARGB8888:
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format = COGL_PIXEL_FORMAT_ARGB_8888_PRE;
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break;
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case WL_SHM_FORMAT_XRGB32:
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format = COGL_PIXEL_FORMAT_ARGB_8888;
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internal_format = COGL_PIXEL_FORMAT_RGB_888;
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break;
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#elif G_BYTE_ORDER == G_LITTLE_ENDIAN
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case WL_SHM_FORMAT_ARGB8888:
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format = COGL_PIXEL_FORMAT_BGRA_8888_PRE;
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break;
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case WL_SHM_FORMAT_XRGB8888:
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format = COGL_PIXEL_FORMAT_BGRA_8888;
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internal_format = COGL_PIXEL_FORMAT_BGR_888;
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break;
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#endif
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default:
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g_warn_if_reached ();
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format = COGL_PIXEL_FORMAT_ARGB_8888;
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}
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return cogl_texture_2d_new_from_data (ctx,
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width, height,
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format,
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internal_format,
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stride,
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wl_shm_buffer_get_data (shm_buffer),
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error);
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}
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else
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{
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struct wl_buffer *buffer = (struct wl_buffer *) buffer_resource;
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int format, width, height;
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if (_cogl_egl_query_wayland_buffer (ctx,
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buffer,
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EGL_TEXTURE_FORMAT,
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&format) &&
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_cogl_egl_query_wayland_buffer (ctx,
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buffer,
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EGL_WIDTH,
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&width) &&
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_cogl_egl_query_wayland_buffer (ctx,
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buffer,
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EGL_HEIGHT,
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&height))
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{
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EGLImageKHR image;
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CoglTexture2D *tex = NULL;
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CoglPixelFormat internal_format;
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_COGL_RETURN_VAL_IF_FAIL (_cogl_context_get_winsys (ctx)->constraints &
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COGL_RENDERER_CONSTRAINT_USES_EGL,
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NULL);
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switch (format)
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{
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case EGL_TEXTURE_RGB:
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internal_format = COGL_PIXEL_FORMAT_RGB_888;
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break;
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case EGL_TEXTURE_RGBA:
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internal_format = COGL_PIXEL_FORMAT_RGBA_8888_PRE;
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break;
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default:
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_cogl_set_error (error,
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COGL_SYSTEM_ERROR,
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COGL_SYSTEM_ERROR_UNSUPPORTED,
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"Can't create texture from unknown "
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"wayland buffer format %d\n", format);
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return NULL;
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}
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image = _cogl_egl_create_image (ctx,
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EGL_WAYLAND_BUFFER_WL,
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buffer,
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NULL);
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tex = _cogl_egl_texture_2d_new_from_image (ctx,
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width, height,
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internal_format,
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image,
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error);
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_cogl_egl_destroy_image (ctx, image);
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return tex;
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}
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}
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_cogl_set_error (error,
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COGL_SYSTEM_ERROR,
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COGL_SYSTEM_ERROR_UNSUPPORTED,
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"Can't create texture from unknown "
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"wayland buffer type\n");
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return NULL;
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}
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#endif /* COGL_HAS_WAYLAND_EGL_SERVER_SUPPORT */
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void
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_cogl_texture_2d_externally_modified (CoglTexture *texture)
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{
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if (!cogl_is_texture_2d (texture))
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return;
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COGL_TEXTURE_2D (texture)->mipmaps_dirty = TRUE;
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}
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void
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_cogl_texture_2d_copy_from_framebuffer (CoglTexture2D *tex_2d,
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int src_x,
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int src_y,
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int width,
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int height,
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CoglFramebuffer *src_fb,
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int dst_x,
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int dst_y,
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int level)
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{
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CoglTexture *tex = COGL_TEXTURE (tex_2d);
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CoglContext *ctx = tex->context;
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/* Assert that the storage for this texture has been allocated */
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cogl_texture_allocate (tex, NULL); /* (abort on error) */
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ctx->driver_vtable->texture_2d_copy_from_framebuffer (tex_2d,
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src_x,
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src_y,
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width,
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height,
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src_fb,
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dst_x,
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dst_y,
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level);
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tex_2d->mipmaps_dirty = TRUE;
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}
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static int
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_cogl_texture_2d_get_max_waste (CoglTexture *tex)
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{
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return -1;
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}
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static CoglBool
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_cogl_texture_2d_is_sliced (CoglTexture *tex)
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{
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return FALSE;
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}
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static CoglBool
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_cogl_texture_2d_can_hardware_repeat (CoglTexture *tex)
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{
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CoglContext *ctx = tex->context;
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if (cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_REPEAT) ||
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(_cogl_util_is_pot (tex->width) &&
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_cogl_util_is_pot (tex->height)))
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return TRUE;
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else
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return FALSE;
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}
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static void
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_cogl_texture_2d_transform_coords_to_gl (CoglTexture *tex,
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float *s,
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float *t)
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{
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/* The texture coordinates map directly so we don't need to do
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anything */
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}
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static CoglTransformResult
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_cogl_texture_2d_transform_quad_coords_to_gl (CoglTexture *tex,
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float *coords)
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{
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/* The texture coordinates map directly so we don't need to do
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anything other than check for repeats */
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int i;
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for (i = 0; i < 4; i++)
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if (coords[i] < 0.0f || coords[i] > 1.0f)
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{
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/* Repeat is needed */
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return (_cogl_texture_2d_can_hardware_repeat (tex) ?
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COGL_TRANSFORM_HARDWARE_REPEAT :
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COGL_TRANSFORM_SOFTWARE_REPEAT);
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}
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/* No repeat is needed */
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return COGL_TRANSFORM_NO_REPEAT;
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}
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static CoglBool
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_cogl_texture_2d_get_gl_texture (CoglTexture *tex,
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GLuint *out_gl_handle,
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GLenum *out_gl_target)
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{
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CoglContext *ctx = tex->context;
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CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
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if (ctx->driver_vtable->texture_2d_get_gl_handle)
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{
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GLuint handle;
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if (out_gl_target)
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*out_gl_target = GL_TEXTURE_2D;
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handle = ctx->driver_vtable->texture_2d_get_gl_handle (tex_2d);
|
|
|
|
if (out_gl_handle)
|
|
*out_gl_handle = handle;
|
|
|
|
return handle ? TRUE : FALSE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
_cogl_texture_2d_pre_paint (CoglTexture *tex, CoglTexturePrePaintFlags flags)
|
|
{
|
|
CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
|
|
|
|
/* Only update if the mipmaps are dirty */
|
|
if ((flags & COGL_TEXTURE_NEEDS_MIPMAP) &&
|
|
tex_2d->auto_mipmap && tex_2d->mipmaps_dirty)
|
|
{
|
|
CoglContext *ctx = tex->context;
|
|
|
|
ctx->driver_vtable->texture_2d_generate_mipmap (tex_2d);
|
|
|
|
tex_2d->mipmaps_dirty = FALSE;
|
|
}
|
|
}
|
|
|
|
static void
|
|
_cogl_texture_2d_ensure_non_quad_rendering (CoglTexture *tex)
|
|
{
|
|
/* Nothing needs to be done */
|
|
}
|
|
|
|
static CoglBool
|
|
_cogl_texture_2d_set_region (CoglTexture *tex,
|
|
int src_x,
|
|
int src_y,
|
|
int dst_x,
|
|
int dst_y,
|
|
int width,
|
|
int height,
|
|
int level,
|
|
CoglBitmap *bmp,
|
|
CoglError **error)
|
|
{
|
|
CoglContext *ctx = tex->context;
|
|
CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
|
|
|
|
if (!ctx->driver_vtable->texture_2d_copy_from_bitmap (tex_2d,
|
|
src_x,
|
|
src_y,
|
|
width,
|
|
height,
|
|
bmp,
|
|
dst_x,
|
|
dst_y,
|
|
level,
|
|
error))
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
tex_2d->mipmaps_dirty = TRUE;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
static CoglBool
|
|
_cogl_texture_2d_get_data (CoglTexture *tex,
|
|
CoglPixelFormat format,
|
|
int rowstride,
|
|
uint8_t *data)
|
|
{
|
|
CoglContext *ctx = tex->context;
|
|
|
|
if (ctx->driver_vtable->texture_2d_get_data)
|
|
{
|
|
CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
|
|
ctx->driver_vtable->texture_2d_get_data (tex_2d, format, rowstride, data);
|
|
return TRUE;
|
|
}
|
|
else
|
|
return FALSE;
|
|
}
|
|
|
|
static CoglPixelFormat
|
|
_cogl_texture_2d_get_format (CoglTexture *tex)
|
|
{
|
|
return COGL_TEXTURE_2D (tex)->internal_format;
|
|
}
|
|
|
|
static GLenum
|
|
_cogl_texture_2d_get_gl_format (CoglTexture *tex)
|
|
{
|
|
return COGL_TEXTURE_2D (tex)->gl_internal_format;
|
|
}
|
|
|
|
static CoglBool
|
|
_cogl_texture_2d_is_foreign (CoglTexture *tex)
|
|
{
|
|
return COGL_TEXTURE_2D (tex)->is_foreign;
|
|
}
|
|
|
|
static CoglTextureType
|
|
_cogl_texture_2d_get_type (CoglTexture *tex)
|
|
{
|
|
return COGL_TEXTURE_TYPE_2D;
|
|
}
|
|
|
|
static const CoglTextureVtable
|
|
cogl_texture_2d_vtable =
|
|
{
|
|
TRUE, /* primitive */
|
|
_cogl_texture_2d_allocate,
|
|
_cogl_texture_2d_set_region,
|
|
_cogl_texture_2d_get_data,
|
|
NULL, /* foreach_sub_texture_in_region */
|
|
_cogl_texture_2d_get_max_waste,
|
|
_cogl_texture_2d_is_sliced,
|
|
_cogl_texture_2d_can_hardware_repeat,
|
|
_cogl_texture_2d_transform_coords_to_gl,
|
|
_cogl_texture_2d_transform_quad_coords_to_gl,
|
|
_cogl_texture_2d_get_gl_texture,
|
|
_cogl_texture_2d_gl_flush_legacy_texobj_filters,
|
|
_cogl_texture_2d_pre_paint,
|
|
_cogl_texture_2d_ensure_non_quad_rendering,
|
|
_cogl_texture_2d_gl_flush_legacy_texobj_wrap_modes,
|
|
_cogl_texture_2d_get_format,
|
|
_cogl_texture_2d_get_gl_format,
|
|
_cogl_texture_2d_get_type,
|
|
_cogl_texture_2d_is_foreign,
|
|
_cogl_texture_2d_set_auto_mipmap
|
|
};
|