mirror of
https://github.com/brl/mutter.git
synced 2024-11-29 03:20:46 -05:00
73e8a6d7ce
Consistent with how we lazily allocate framebuffers this patch allows us to instantiate textures but still specify constraints and requirements before allocating storage so that we can be sure to allocate the most appropriate/efficient storage. This adds a cogl_texture_allocate() function that is analogous to cogl_framebuffer_allocate() which can optionally be called to explicitly allocate storage and catch any errors. If this function isn't used explicitly then Cogl will implicitly ensure textures are allocated before the storage is needed. It is generally recommended to rely on lazy storage allocation or at least perform explicit allocation as late as possible so Cogl can be fully informed about the best way to allocate storage. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 1fa7c0f10a8a03043e3c75cb079a49625df098b7) Note: This reverts the cogl_texture_rectangle_new_with_size API change that dropped the CoglError argument and keeps the semantics of allocating the texture immediately. This is because Mutter currently uses this API so we will probably look at updating this later once we have a corresponding Mutter patch prepared. The other API changes were kept since they only affected experimental api.
572 lines
18 KiB
C
572 lines
18 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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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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error);
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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_buffer *buffer,
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CoglError **error)
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{
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if (wl_buffer_is_shm (buffer))
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{
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int stride = wl_shm_buffer_get_stride (buffer);
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CoglPixelFormat format;
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CoglPixelFormat internal_format = COGL_PIXEL_FORMAT_ANY;
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switch (wl_shm_buffer_get_format (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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buffer->width,
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buffer->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 (buffer),
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error);
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}
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else
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{
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EGLImageKHR image;
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CoglTexture2D *tex;
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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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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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buffer->width,
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buffer->height,
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COGL_PIXEL_FORMAT_ARGB_8888_PRE,
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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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#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);
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if (out_gl_handle)
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*out_gl_handle = handle;
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return handle ? TRUE : FALSE;
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}
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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_pre_paint (CoglTexture *tex, CoglTexturePrePaintFlags flags)
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{
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CoglTexture2D *tex_2d = COGL_TEXTURE_2D (tex);
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/* Only update if the mipmaps are dirty */
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if ((flags & COGL_TEXTURE_NEEDS_MIPMAP) &&
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tex_2d->auto_mipmap && tex_2d->mipmaps_dirty)
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{
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CoglContext *ctx = tex->context;
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ctx->driver_vtable->texture_2d_generate_mipmap (tex_2d);
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tex_2d->mipmaps_dirty = FALSE;
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}
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}
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static void
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_cogl_texture_2d_ensure_non_quad_rendering (CoglTexture *tex)
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{
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/* Nothing needs to be done */
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}
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static CoglBool
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_cogl_texture_2d_set_region (CoglTexture *tex,
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int src_x,
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int src_y,
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int dst_x,
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int dst_y,
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int width,
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int height,
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int level,
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CoglBitmap *bmp,
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CoglError **error)
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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_copy_from_bitmap (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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bmp,
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dst_x,
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dst_y,
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level,
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error))
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{
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return FALSE;
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}
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tex_2d->mipmaps_dirty = TRUE;
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return TRUE;
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}
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static CoglBool
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_cogl_texture_2d_get_data (CoglTexture *tex,
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CoglPixelFormat format,
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int rowstride,
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uint8_t *data)
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{
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CoglContext *ctx = tex->context;
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if (ctx->driver_vtable->texture_2d_get_data)
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|
{
|
|
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
|
|
};
|