2012-11-08 15:33:00 -05:00
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/*
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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) 2007,2008,2009,2011,2012 Intel Corporation.
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* Copyright (C) 2010 Red Hat, Inc.
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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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* Matthew Allum <mallum@openedhand.com>
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* Neil Roberts <neil@linux.intel.com>
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* Robert Bragg <robert@linux.intel.com>
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*/
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2014-01-01 20:39:56 -05:00
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#include <config.h>
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2012-11-08 15:33:00 -05:00
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#include "cogl-context-private.h"
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#include "cogl-texture.h"
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#include "cogl-util.h"
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#include "cogl-texture-2d.h"
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2013-06-07 19:28:14 -04:00
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#include "cogl-texture-2d-private.h"
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2012-11-08 15:33:00 -05:00
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#include "cogl-primitive-texture.h"
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#include "cogl-texture-2d-sliced-private.h"
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#include "cogl-private.h"
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#include "cogl-object.h"
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#include "cogl-bitmap-private.h"
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#include "cogl-atlas-texture-private.h"
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#include "cogl-error-private.h"
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#include "cogl-texture-rectangle.h"
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#include "cogl-sub-texture.h"
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#include "cogl-texture-2d-gl.h"
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2014-01-01 20:39:56 -05:00
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#include "deprecated/cogl-auto-texture.h"
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2013-06-07 19:28:14 -04:00
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static CoglTexture *
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_cogl_texture_new_from_bitmap (CoglBitmap *bitmap,
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CoglTextureFlags flags,
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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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2013-06-08 13:52:20 -04:00
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static void
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set_auto_mipmap_cb (CoglTexture *sub_texture,
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const float *sub_texture_coords,
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const float *meta_coords,
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void *user_data)
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{
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cogl_primitive_texture_set_auto_mipmap (COGL_PRIMITIVE_TEXTURE (sub_texture),
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FALSE);
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}
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2012-11-08 15:33:00 -05:00
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CoglTexture *
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2012-11-22 18:01:08 -05:00
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cogl_texture_new_with_size (unsigned int width,
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unsigned int height,
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2012-11-08 15:33:00 -05:00
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CoglTextureFlags flags,
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2012-11-22 18:01:08 -05:00
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CoglPixelFormat internal_format)
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2012-11-08 15:33:00 -05:00
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{
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CoglTexture *tex;
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2012-11-22 18:01:08 -05:00
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CoglError *skip_error = NULL;
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2012-11-08 15:33:00 -05:00
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_COGL_GET_CONTEXT (ctx, NULL);
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if ((_cogl_util_is_pot (width) && _cogl_util_is_pot (height)) ||
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(cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) &&
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cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP)))
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{
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/* First try creating a fast-path non-sliced texture */
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tex = COGL_TEXTURE (cogl_texture_2d_new_with_size (ctx, width, height));
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_cogl_texture_set_internal_format (tex, internal_format);
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2012-11-22 18:01:08 -05:00
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if (!cogl_texture_allocate (tex, &skip_error))
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{
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cogl_error_free (skip_error);
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cogl_object_unref (tex);
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tex = NULL;
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}
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2012-11-08 15:33:00 -05:00
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}
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else
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tex = NULL;
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2013-06-08 13:52:20 -04:00
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if (!tex)
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2012-11-08 15:33:00 -05:00
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{
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/* If it fails resort to sliced textures */
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int max_waste = flags & COGL_TEXTURE_NO_SLICING ? -1 : COGL_TEXTURE_MAX_WASTE;
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tex = COGL_TEXTURE (cogl_texture_2d_sliced_new_with_size (ctx,
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width,
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height,
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2013-07-01 20:48:54 -04:00
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max_waste));
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_cogl_texture_set_internal_format (tex, internal_format);
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2012-11-08 15:33:00 -05:00
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}
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2013-09-02 09:16:37 -04:00
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/* NB: This api existed before Cogl introduced lazy allocation of
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* textures and so we maintain its original synchronous allocation
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* semantics and return NULL if allocation fails... */
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if (!cogl_texture_allocate (tex, &skip_error))
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{
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cogl_error_free (skip_error);
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cogl_object_unref (tex);
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return NULL;
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}
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2013-06-08 13:52:20 -04:00
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if (tex &&
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flags & COGL_TEXTURE_NO_AUTO_MIPMAP)
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{
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cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
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0, 0, 1, 1,
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COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
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COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
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set_auto_mipmap_cb,
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NULL);
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}
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2012-11-08 15:33:00 -05:00
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return tex;
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}
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static CoglTexture *
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_cogl_texture_new_from_data (CoglContext *ctx,
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int width,
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int height,
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CoglTextureFlags flags,
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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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CoglTexture *tex;
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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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2013-06-07 19:28:14 -04:00
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tex = _cogl_texture_new_from_bitmap (bmp,
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flags,
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internal_format,
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FALSE, /* can't convert in place */
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error);
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2012-11-08 15:33:00 -05:00
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cogl_object_unref (bmp);
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return tex;
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}
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CoglTexture *
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cogl_texture_new_from_data (int width,
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int height,
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CoglTextureFlags flags,
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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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{
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CoglError *ignore_error = NULL;
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CoglTexture *tex;
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_COGL_GET_CONTEXT (ctx, NULL);
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tex = _cogl_texture_new_from_data (ctx,
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width, height,
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flags,
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format, internal_format,
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rowstride,
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data,
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&ignore_error);
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if (!tex)
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cogl_error_free (ignore_error);
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return tex;
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}
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2013-06-07 19:28:14 -04:00
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static CoglTexture *
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2012-11-08 15:33:00 -05:00
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_cogl_texture_new_from_bitmap (CoglBitmap *bitmap,
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CoglTextureFlags flags,
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CoglPixelFormat internal_format,
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2013-06-07 19:28:14 -04:00
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CoglBool can_convert_in_place,
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2012-11-08 15:33:00 -05:00
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CoglError **error)
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{
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CoglContext *ctx = _cogl_bitmap_get_context (bitmap);
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CoglTexture *tex;
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CoglError *internal_error = NULL;
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2013-06-07 20:58:05 -04:00
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if (!flags &&
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!COGL_DEBUG_ENABLED (COGL_DEBUG_DISABLE_ATLAS))
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{
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/* First try putting the texture in the atlas */
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2013-07-01 20:48:54 -04:00
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CoglAtlasTexture *atlas_tex =
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_cogl_atlas_texture_new_from_bitmap (bitmap,
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can_convert_in_place);
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_cogl_texture_set_internal_format (COGL_TEXTURE (atlas_tex),
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internal_format);
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if (cogl_texture_allocate (COGL_TEXTURE (atlas_tex), &internal_error))
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2013-06-07 20:58:05 -04:00
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return COGL_TEXTURE (atlas_tex);
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cogl_error_free (internal_error);
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internal_error = NULL;
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2013-07-01 20:48:54 -04:00
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cogl_object_unref (atlas_tex);
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2013-06-07 20:58:05 -04:00
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}
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2012-11-08 15:33:00 -05:00
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/* If that doesn't work try a fast path 2D texture */
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if ((_cogl_util_is_pot (bitmap->width) &&
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_cogl_util_is_pot (bitmap->height)) ||
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(cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_BASIC) &&
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cogl_has_feature (ctx, COGL_FEATURE_ID_TEXTURE_NPOT_MIPMAP)))
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{
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2013-06-07 19:28:14 -04:00
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tex = COGL_TEXTURE (_cogl_texture_2d_new_from_bitmap (bitmap,
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2013-07-01 20:48:54 -04:00
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can_convert_in_place));
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_cogl_texture_set_internal_format (tex, internal_format);
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2012-11-08 15:33:00 -05:00
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2013-07-01 20:48:54 -04:00
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if (!cogl_texture_allocate (tex, &internal_error))
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2012-11-08 15:33:00 -05:00
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{
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cogl_error_free (internal_error);
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internal_error = NULL;
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2013-07-01 20:48:54 -04:00
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cogl_object_unref (tex);
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tex = NULL;
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2012-11-08 15:33:00 -05:00
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}
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}
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else
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tex = NULL;
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2013-06-08 13:52:20 -04:00
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if (!tex)
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2012-11-08 15:33:00 -05:00
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{
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/* Otherwise create a sliced texture */
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2013-06-08 13:52:20 -04:00
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int max_waste = flags & COGL_TEXTURE_NO_SLICING ? -1 : COGL_TEXTURE_MAX_WASTE;
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2012-11-08 15:33:00 -05:00
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tex = COGL_TEXTURE (_cogl_texture_2d_sliced_new_from_bitmap (bitmap,
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2013-06-08 13:52:20 -04:00
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max_waste,
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2013-07-01 20:48:54 -04:00
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can_convert_in_place));
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_cogl_texture_set_internal_format (tex, internal_format);
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if (!cogl_texture_allocate (tex, error))
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{
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cogl_object_unref (tex);
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tex = NULL;
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}
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2012-11-08 15:33:00 -05:00
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}
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2013-06-08 13:52:20 -04:00
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if (tex &&
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flags & COGL_TEXTURE_NO_AUTO_MIPMAP)
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{
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cogl_meta_texture_foreach_in_region (COGL_META_TEXTURE (tex),
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0, 0, 1, 1,
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COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
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COGL_PIPELINE_WRAP_MODE_CLAMP_TO_EDGE,
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set_auto_mipmap_cb,
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NULL);
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}
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2012-11-08 15:33:00 -05:00
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return tex;
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}
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CoglTexture *
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cogl_texture_new_from_bitmap (CoglBitmap *bitmap,
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CoglTextureFlags flags,
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CoglPixelFormat internal_format)
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{
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CoglError *ignore_error = NULL;
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CoglTexture *tex =
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2013-06-07 19:28:14 -04:00
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_cogl_texture_new_from_bitmap (bitmap,
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flags,
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internal_format,
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FALSE, /* can't convert in-place */
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2012-11-08 15:33:00 -05:00
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&ignore_error);
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if (!tex)
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cogl_error_free (ignore_error);
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return tex;
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}
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CoglTexture *
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cogl_texture_new_from_file (const char *filename,
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CoglTextureFlags flags,
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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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CoglTexture *texture = NULL;
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_COGL_GET_CONTEXT (ctx, NULL);
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_COGL_RETURN_VAL_IF_FAIL (error == NULL || *error == NULL, NULL);
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bmp = cogl_bitmap_new_from_file (filename, error);
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if (bmp == NULL)
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return NULL;
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2013-06-07 19:28:14 -04:00
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texture = _cogl_texture_new_from_bitmap (bmp, flags,
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internal_format,
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TRUE, /* can convert in-place */
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error);
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2012-11-08 15:33:00 -05:00
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cogl_object_unref (bmp);
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return texture;
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}
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CoglTexture *
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cogl_texture_new_from_foreign (GLuint gl_handle,
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GLenum gl_target,
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GLuint width,
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GLuint height,
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GLuint x_pot_waste,
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GLuint y_pot_waste,
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CoglPixelFormat format)
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{
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_COGL_GET_CONTEXT (ctx, NULL);
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2013-01-24 06:40:19 -05:00
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#ifdef HAVE_COGL_GL
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2012-11-08 15:33:00 -05:00
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if (gl_target == GL_TEXTURE_RECTANGLE_ARB)
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|
|
{
|
|
|
|
CoglTextureRectangle *texture_rectangle;
|
|
|
|
CoglSubTexture *sub_texture;
|
|
|
|
|
|
|
|
if (x_pot_waste != 0 || y_pot_waste != 0)
|
|
|
|
{
|
|
|
|
/* It shouldn't be necessary to have waste in this case since
|
|
|
|
* the texture isn't limited to power of two sizes. */
|
|
|
|
g_warning ("You can't create a foreign GL_TEXTURE_RECTANGLE cogl "
|
|
|
|
"texture with waste\n");
|
|
|
|
return NULL;
|
|
|
|
}
|
|
|
|
|
|
|
|
texture_rectangle = cogl_texture_rectangle_new_from_foreign (ctx,
|
|
|
|
gl_handle,
|
|
|
|
width,
|
|
|
|
height,
|
2013-07-01 20:48:54 -04:00
|
|
|
format);
|
|
|
|
_cogl_texture_set_internal_format (COGL_TEXTURE (texture_rectangle),
|
|
|
|
format);
|
2012-11-08 15:33:00 -05:00
|
|
|
|
|
|
|
/* CoglTextureRectangle textures work with non-normalized
|
|
|
|
* coordinates, but the semantics for this function that people
|
|
|
|
* depend on are that all returned texture works with normalized
|
|
|
|
* coordinates so we wrap with a CoglSubTexture... */
|
|
|
|
sub_texture = cogl_sub_texture_new (ctx,
|
|
|
|
COGL_TEXTURE (texture_rectangle),
|
|
|
|
0, 0, width, height);
|
|
|
|
return COGL_TEXTURE (sub_texture);
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
if (x_pot_waste != 0 || y_pot_waste != 0)
|
2013-07-01 20:48:54 -04:00
|
|
|
{
|
|
|
|
CoglTexture *tex =
|
|
|
|
COGL_TEXTURE (_cogl_texture_2d_sliced_new_from_foreign (ctx,
|
|
|
|
gl_handle,
|
|
|
|
gl_target,
|
|
|
|
width,
|
|
|
|
height,
|
|
|
|
x_pot_waste,
|
|
|
|
y_pot_waste,
|
|
|
|
format));
|
|
|
|
_cogl_texture_set_internal_format (tex, format);
|
|
|
|
|
|
|
|
cogl_texture_allocate (tex, NULL);
|
|
|
|
return tex;
|
|
|
|
}
|
2012-11-08 15:33:00 -05:00
|
|
|
else
|
2013-07-01 20:48:54 -04:00
|
|
|
{
|
|
|
|
CoglTexture *tex =
|
|
|
|
COGL_TEXTURE (cogl_texture_2d_gl_new_from_foreign (ctx,
|
2012-11-08 15:33:00 -05:00
|
|
|
gl_handle,
|
|
|
|
width,
|
|
|
|
height,
|
2013-07-01 20:48:54 -04:00
|
|
|
format));
|
|
|
|
_cogl_texture_set_internal_format (tex, format);
|
|
|
|
|
|
|
|
cogl_texture_allocate (tex, NULL);
|
|
|
|
return tex;
|
|
|
|
}
|
2012-11-08 15:33:00 -05:00
|
|
|
}
|
2014-01-01 20:39:56 -05:00
|
|
|
|
|
|
|
CoglTexture *
|
|
|
|
cogl_texture_new_from_sub_texture (CoglTexture *full_texture,
|
|
|
|
int sub_x,
|
|
|
|
int sub_y,
|
|
|
|
int sub_width,
|
|
|
|
int sub_height)
|
|
|
|
{
|
|
|
|
_COGL_GET_CONTEXT (ctx, NULL);
|
|
|
|
return COGL_TEXTURE (cogl_sub_texture_new (ctx,
|
|
|
|
full_texture, sub_x, sub_y,
|
|
|
|
sub_width, sub_height));
|
|
|
|
}
|