material: Avoid redundant glBindTexture calls
This adds a _cogl_bind_gl_texture_transient function that should be used instead of glBindTexture so we can have a consistent cache of the textures bound to each texture unit so we can avoid some redundant binding.
This commit is contained in:
parent
acc44161c1
commit
82e80e6765
11 changed files with 266 additions and 41 deletions
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@ -146,7 +146,9 @@ _cogl_atlas_texture_blit_begin (CoglAtlasTextureBlitData *data,
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data->fbo = 0;
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}
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GE( glBindTexture (data->dst_gl_target, dst_gl_texture) );
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_cogl_bind_gl_texture_transient (data->dst_gl_target,
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dst_gl_texture,
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FALSE);
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}
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if (data->fbo)
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@ -274,7 +276,8 @@ _cogl_atlas_texture_free (CoglAtlasTexture *atlas_tex)
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cogl_handle_unref (atlas_tex->sub_texture);
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g_free (atlas_tex);
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/* Chain up */
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_cogl_texture_free (COGL_TEXTURE (atlas_tex));
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}
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static int
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@ -1074,5 +1077,6 @@ cogl_atlas_texture_vtable =
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_cogl_atlas_texture_get_format,
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_cogl_atlas_texture_get_gl_format,
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_cogl_atlas_texture_get_width,
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_cogl_atlas_texture_get_height
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_cogl_atlas_texture_get_height,
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NULL /* is_foreign */
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};
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@ -70,6 +70,26 @@ typedef struct _CoglTextureUnit
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* with a layer may represent more than one GL texture) */
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GLuint gl_texture;
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/* Foreign textures are those not created or deleted by Cogl. If we ever
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* call glBindTexture for a foreign texture then the next time we are
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* asked to glBindTexture we can't try and optimize a redundant state
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* change because we don't know if the original texture name was deleted
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* and now we are being asked to bind a recycled name. */
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gboolean is_foreign;
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/* We have many components in Cogl that need to temporarily bind arbitrary
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* textures e.g. to query texture object parameters and since we don't
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* want that to result in too much redundant reflushing of layer state
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* when all that's needed is to re-bind the layers gl_texture we use this
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* to track when the .layer_gl_texture state is invalid.
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*
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* XXX: as a further optimization cogl-material.c uses a convention
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* of always leaving texture unit 1 active when not dealing with the
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* flushing of layer state, so we can assume this is only ever TRUE
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* for unit 1.
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*/
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gboolean dirty_gl_texture;
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/* A matrix stack giving us the means to associate a texture
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* transform matrix with the texture unit. */
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CoglMatrixStack *matrix_stack;
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@ -123,6 +143,11 @@ _cogl_get_texture_unit (int index_);
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void
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_cogl_destroy_texture_units (void);
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void
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_cogl_bind_gl_texture_transient (GLenum gl_target,
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GLuint gl_texture,
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gboolean is_foreign);
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typedef enum _CoglMaterialEqualFlags
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{
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/* Return FALSE if any component of either material isn't set to its
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@ -440,6 +465,9 @@ void
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_cogl_material_set_user_program (CoglHandle handle,
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CoglHandle program);
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void
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_cogl_delete_gl_texture (GLuint gl_texture);
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void
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_cogl_material_apply_legacy_state (CoglHandle handle);
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@ -962,6 +962,8 @@ texture_unit_init (CoglTextureUnit *unit, int index_)
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unit->enabled = FALSE;
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unit->enabled_gl_target = 0;
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unit->gl_texture = 0;
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unit->is_foreign = FALSE;
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unit->dirty_gl_texture = FALSE;
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unit->matrix_stack = _cogl_matrix_stack_new ();
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unit->layer = NULL;
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@ -1027,6 +1029,71 @@ set_active_texture_unit (int unit_index)
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}
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}
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/* Note: this conceptually has slightly different semantics to
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* OpenGL's glBindTexture because Cogl never cares about tracking
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* multiple textures bound to different targets on the same texture
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* unit.
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*
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* glBindTexture lets you bind multiple textures to a single texture
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* unit if they are bound to different targets. So it does something
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* like:
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* unit->current_texture[target] = texture;
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*
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* Cogl only lets you associate one texture with the currently active
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* texture unit, so the target is basically a redundant parameter
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* that's implicitly set on that texture.
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*
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* Technically this is just a thin wrapper around glBindTexture so
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* actually it does have the GL semantics but it seems worth
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* mentioning the conceptual difference in case anyone wonders why we
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* don't associate the gl_texture with a gl_target in the
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* CoglTextureUnit.
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*/
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void
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_cogl_bind_gl_texture_transient (GLenum gl_target,
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GLuint gl_texture,
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gboolean is_foreign)
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{
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CoglTextureUnit *unit;
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_COGL_GET_CONTEXT (ctx, NO_RETVAL);
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unit = _cogl_get_texture_unit (ctx->active_texture_unit);
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/* NB: If we have previously bound a foreign texture to this texture
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* unit we don't know if that texture has since been deleted and we
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* are seeing the texture name recycled */
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if (unit->gl_texture == gl_texture &&
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!unit->dirty_gl_texture &&
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!unit->is_foreign)
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return;
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GE (glBindTexture (gl_target, gl_texture));
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unit->dirty_gl_texture = TRUE;
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unit->is_foreign = is_foreign;
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}
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void
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_cogl_delete_gl_texture (GLuint gl_texture)
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{
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int i;
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_COGL_GET_CONTEXT (ctx, NO_RETVAL);
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for (i = 0; i < ctx->texture_units->len; i++)
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{
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CoglTextureUnit *unit =
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&g_array_index (ctx->texture_units, CoglTextureUnit, i);
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if (unit->gl_texture == gl_texture)
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{
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unit->gl_texture = 0;
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unit->dirty_gl_texture = FALSE;
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}
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}
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}
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/* Asserts that a layer corresponding to the given index exists. If no
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* match is found, then a new empty layer is added.
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*/
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@ -2926,14 +2993,42 @@ _cogl_material_flush_common_gl_state (CoglMaterial *material,
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unit->layer0_overridden = layer0_override_texture ? TRUE : FALSE;
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unit->fallback = fallback;
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/* FIXME: We could be more clever here and only bind the texture
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if it is different from gl_layer_info->gl_texture to avoid
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redundant GL calls. However a few other places in Cogl and
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Clutter call glBindTexture such as ClutterGLXTexturePixmap so
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we'd need to ensure they affect the cache. Also deleting a
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texture should clear it from the cache in case a new texture
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is generated with the same number */
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/* NB: There are several Cogl components and some code in
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* Clutter that will temporarily bind arbitrary GL textures to
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* query and modify texture object parameters. If you look at
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* the end of _cogl_material_flush_gl_state() you can see we
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* make sure that such code always binds to texture unit 1 by
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* always leaving texture unit 1 active. This means we can't
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* rely on the unit->gl_texture state if unit->index == 1.
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* Because texture unit 1 is a bit special we actually defer any
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* necessary glBindTexture for it until the end of
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* _cogl_material_flush_gl_state().
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*
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* NB: we get notified whenever glDeleteTextures is used (see
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* _cogl_delete_gl_texture()) where we invalidate
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* unit->gl_texture references to deleted textures so it's safe
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* to compare unit->gl_texture with gl_texture. (Without the
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* hook it would be possible to delete a GL texture and create a
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* new one with the same name and comparing unit->gl_texture and
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* gl_texture wouldn't detect that.)
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*
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* NB: for foreign textures we don't know how the deletion of
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* the GL texture objects correspond to the deletion of the
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* CoglTextures so if there was previously a foreign texture
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* associated with the texture unit then we can't assume that we
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* aren't seeing a recycled texture name so we have to bind.
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*/
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#ifndef DISABLE_MATERIAL_CACHE
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if (unit->gl_texture != gl_texture || unit->is_foreign)
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{
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if (unit->index != 1)
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GE (glBindTexture (gl_target, gl_texture));
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unit->gl_texture = gl_texture;
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}
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#else
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GE (glBindTexture (gl_target, gl_texture));
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#endif
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unit->is_foreign = _cogl_texture_is_foreign (texture);
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/* Disable the previous target if it was different and it's
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* still enabled */
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@ -3275,10 +3370,11 @@ done: /* well, almost... */
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* unless multitexturing is being used.
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*/
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unit1 = _cogl_get_texture_unit (1);
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if (unit1->enabled)
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if (unit1->enabled && unit1->dirty_gl_texture)
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{
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set_active_texture_unit (1);
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GE (glBindTexture (unit1->enabled_gl_target, unit1->gl_texture));
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unit1->dirty_gl_texture = FALSE;
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}
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/* Since there are several places where Cogl will temporarily bind a
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@ -243,7 +243,8 @@ _cogl_sub_texture_free (CoglSubTexture *sub_tex)
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cogl_handle_unref (sub_tex->next_texture);
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cogl_handle_unref (sub_tex->full_texture);
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g_free (sub_tex);
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/* Chain up */
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_cogl_texture_free (COGL_TEXTURE (sub_tex));
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}
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CoglHandle
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@ -556,5 +557,6 @@ cogl_sub_texture_vtable =
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_cogl_sub_texture_get_format,
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_cogl_sub_texture_get_gl_format,
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_cogl_sub_texture_get_width,
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_cogl_sub_texture_get_height
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_cogl_sub_texture_get_height,
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NULL /* is_foreign */
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};
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@ -42,6 +42,7 @@
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#include "cogl-handle.h"
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#include "cogl-spans.h"
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#include "cogl-journal-private.h"
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#include "cogl-material-private.h"
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#include <string.h>
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#include <stdlib.h>
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@ -253,6 +254,7 @@ _cogl_texture_2d_sliced_upload_to_gl (CoglTexture2DSliced *tex_2ds,
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_cogl_texture_driver_upload_subregion_to_gl (
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tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign,
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x_span->start, /* src x */
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y_span->start, /* src y */
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0, /* dst x */
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@ -441,6 +443,7 @@ _cogl_texture_2d_sliced_upload_subregion_to_gl (CoglTexture2DSliced *tex_2ds,
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_cogl_texture_driver_upload_subregion_to_gl (tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign,
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source_x,
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source_y,
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local_x, /* dst x */
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@ -680,7 +683,9 @@ _cogl_texture_2d_sliced_set_wrap_mode_parameters (CoglTexture *tex,
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{
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GLuint texnum = g_array_index (tex_2ds->slice_gl_handles, GLuint, i);
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GE( glBindTexture (tex_2ds->gl_target, texnum) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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texnum,
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tex_2ds->is_foreign);
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GE( glTexParameteri (tex_2ds->gl_target,
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GL_TEXTURE_WRAP_S, wrap_mode_s) );
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GE( glTexParameteri (tex_2ds->gl_target,
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@ -855,8 +860,9 @@ _cogl_texture_2d_sliced_slices_create (CoglTexture2DSliced *tex_2ds,
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y_span->size - y_span->waste);
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/* Setup texture parameters */
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GE( glBindTexture (tex_2ds->gl_target,
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gl_handles[y * n_x_slices + x] ) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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gl_handles[y * n_x_slices + x],
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FALSE);
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_cogl_texture_driver_try_setting_gl_border_color (tex_2ds->gl_target,
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transparent_color);
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@ -882,11 +888,14 @@ _cogl_texture_2d_sliced_slices_free (CoglTexture2DSliced *tex_2ds)
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if (tex_2ds->slice_gl_handles != NULL)
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{
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int i;
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if (tex_2ds->is_foreign == FALSE)
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{
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GE( glDeleteTextures (tex_2ds->slice_gl_handles->len,
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(GLuint*) tex_2ds->slice_gl_handles->data) );
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}
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for (i = 0; i < tex_2ds->slice_gl_handles->len; i++)
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{
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GLuint texture =
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g_array_index (tex_2ds->slice_gl_handles, GLuint, i);
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_cogl_delete_gl_texture (texture);
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}
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g_array_free (tex_2ds->slice_gl_handles, TRUE);
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}
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@ -899,7 +908,9 @@ static void
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_cogl_texture_2d_sliced_free (CoglTexture2DSliced *tex_2ds)
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{
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_cogl_texture_2d_sliced_slices_free (tex_2ds);
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g_free (tex_2ds);
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/* Chain up */
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_cogl_texture_free (COGL_TEXTURE (tex_2ds));
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}
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static gboolean
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@ -1121,7 +1132,8 @@ _cogl_texture_2d_sliced_new_from_foreign (GLuint gl_handle,
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/* Make sure binding succeeds */
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while ((gl_error = glGetError ()) != GL_NO_ERROR)
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;
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glBindTexture (gl_target, gl_handle);
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_cogl_bind_gl_texture_transient (gl_target, gl_handle, TRUE);
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if (glGetError () != GL_NO_ERROR)
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return COGL_INVALID_HANDLE;
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return _cogl_texture_2d_sliced_handle_new (tex_2ds);
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}
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static gboolean
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_cogl_texture_2d_sliced_is_foreign (CoglTexture *tex)
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{
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return COGL_TEXTURE_2D_SLICED (tex)->is_foreign;
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}
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static int
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_cogl_texture_2d_sliced_get_max_waste (CoglTexture *tex)
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{
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@ -1371,7 +1389,9 @@ _cogl_texture_2d_sliced_set_filters (CoglTexture *tex,
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for (i=0; i<tex_2ds->slice_gl_handles->len; ++i)
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{
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gl_handle = g_array_index (tex_2ds->slice_gl_handles, GLuint, i);
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GE( glBindTexture (tex_2ds->gl_target, gl_handle) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign);
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GE( glTexParameteri (tex_2ds->gl_target, GL_TEXTURE_MAG_FILTER,
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tex_2ds->mag_filter) );
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GE( glTexParameteri (tex_2ds->gl_target, GL_TEXTURE_MIN_FILTER,
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@ -1399,7 +1419,9 @@ _cogl_texture_2d_sliced_ensure_mipmaps (CoglTexture *tex)
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for (i = 0; i < tex_2ds->slice_gl_handles->len; i++)
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{
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GLuint gl_handle = g_array_index (tex_2ds->slice_gl_handles, GLuint, i);
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GE( glBindTexture (tex_2ds->gl_target, gl_handle) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign);
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/* glGenerateMipmap is defined in the FBO extension */
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if (cogl_features_available (COGL_FEATURE_OFFSCREEN))
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@ -1544,7 +1566,9 @@ _cogl_texture_2d_sliced_download_from_gl (
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bpp);
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/* Download slice image data into temp bmp */
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GE( glBindTexture (tex_2ds->gl_target, gl_handle) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign);
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if (!_cogl_texture_driver_gl_get_tex_image (tex_2ds->gl_target,
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target_gl_format,
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@ -1578,7 +1602,9 @@ _cogl_texture_2d_sliced_download_from_gl (
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bpp);
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/* Download slice image data */
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GE( glBindTexture (tex_2ds->gl_target, gl_handle) );
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_cogl_bind_gl_texture_transient (tex_2ds->gl_target,
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gl_handle,
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tex_2ds->is_foreign);
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if (!_cogl_texture_driver_gl_get_tex_image (tex_2ds->gl_target,
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target_gl_format,
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@ -1737,5 +1763,6 @@ cogl_texture_2d_sliced_vtable =
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_cogl_texture_2d_sliced_get_format,
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_cogl_texture_2d_sliced_get_gl_format,
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_cogl_texture_2d_sliced_get_width,
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_cogl_texture_2d_sliced_get_height
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_cogl_texture_2d_sliced_get_height,
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_cogl_texture_2d_sliced_is_foreign
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};
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@ -37,6 +37,7 @@
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#include "cogl-context.h"
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#include "cogl-handle.h"
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#include "cogl-journal-private.h"
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#include "cogl-material-private.h"
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#include <string.h>
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#include <math.h>
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@ -137,7 +138,9 @@ _cogl_texture_2d_set_wrap_mode_parameters (CoglTexture *tex,
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if (tex_2d->wrap_mode_s != wrap_mode_s ||
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tex_2d->wrap_mode_t != wrap_mode_t)
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{
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GE( glBindTexture (GL_TEXTURE_2D, tex_2d->gl_texture) );
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_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
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tex_2d->gl_texture,
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FALSE);
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GE( glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, wrap_mode_s) );
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GE( glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, wrap_mode_t) );
|
||||
|
||||
|
@ -149,8 +152,10 @@ _cogl_texture_2d_set_wrap_mode_parameters (CoglTexture *tex,
|
|||
static void
|
||||
_cogl_texture_2d_free (CoglTexture2D *tex_2d)
|
||||
{
|
||||
GE( glDeleteTextures (1, &tex_2d->gl_texture) );
|
||||
g_free (tex_2d);
|
||||
_cogl_delete_gl_texture (tex_2d->gl_texture);
|
||||
|
||||
/* Chain up */
|
||||
_cogl_texture_free (COGL_TEXTURE (tex_2d));
|
||||
}
|
||||
|
||||
static gboolean
|
||||
|
@ -253,7 +258,9 @@ _cogl_texture_2d_new_with_size (unsigned int width,
|
|||
tex_2d = _cogl_texture_2d_create_base (width, height, flags, internal_format);
|
||||
|
||||
_cogl_texture_driver_gen (GL_TEXTURE_2D, 1, &tex_2d->gl_texture);
|
||||
GE( glBindTexture (GL_TEXTURE_2D, tex_2d->gl_texture) );
|
||||
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE);
|
||||
GE( glTexImage2D (GL_TEXTURE_2D, 0, gl_intformat,
|
||||
width, height, 0, gl_format, gl_type, NULL) );
|
||||
|
||||
|
@ -299,6 +306,7 @@ _cogl_texture_2d_new_from_bitmap (CoglHandle bmp_handle,
|
|||
_cogl_texture_driver_gen (GL_TEXTURE_2D, 1, &tex_2d->gl_texture);
|
||||
_cogl_texture_driver_upload_to_gl (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE,
|
||||
&dst_bmp,
|
||||
gl_intformat,
|
||||
gl_format,
|
||||
|
@ -389,7 +397,9 @@ _cogl_texture_2d_set_filters (CoglTexture *tex,
|
|||
tex_2d->mag_filter = mag_filter;
|
||||
|
||||
/* Apply new filters to the texture */
|
||||
GE( glBindTexture (GL_TEXTURE_2D, tex_2d->gl_texture) );
|
||||
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE);
|
||||
GE( glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, mag_filter) );
|
||||
GE( glTexParameteri (GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_filter) );
|
||||
}
|
||||
|
@ -405,7 +415,9 @@ _cogl_texture_2d_ensure_mipmaps (CoglTexture *tex)
|
|||
if (!tex_2d->auto_mipmap || !tex_2d->mipmaps_dirty)
|
||||
return;
|
||||
|
||||
GE( glBindTexture (GL_TEXTURE_2D, tex_2d->gl_texture) );
|
||||
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE);
|
||||
/* glGenerateMipmap is defined in the FBO extension. We only allow
|
||||
CoglTexture2D instances to be created if this feature is
|
||||
available so we don't need to check for the extension */
|
||||
|
@ -474,6 +486,7 @@ _cogl_texture_2d_set_region (CoglTexture *tex,
|
|||
/* Send data to GL */
|
||||
_cogl_texture_driver_upload_subregion_to_gl (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE,
|
||||
src_x, src_y,
|
||||
dst_x, dst_y,
|
||||
dst_width, dst_height,
|
||||
|
@ -552,7 +565,9 @@ _cogl_texture_2d_get_data (CoglTexture *tex,
|
|||
_cogl_texture_driver_prep_gl_for_pixels_download (target_bmp.rowstride,
|
||||
closest_bpp);
|
||||
|
||||
GE( glBindTexture (GL_TEXTURE_2D, tex_2d->gl_texture) );
|
||||
_cogl_bind_gl_texture_transient (GL_TEXTURE_2D,
|
||||
tex_2d->gl_texture,
|
||||
FALSE);
|
||||
if (!_cogl_texture_driver_gl_get_tex_image (GL_TEXTURE_2D,
|
||||
closest_gl_format,
|
||||
closest_gl_type,
|
||||
|
@ -638,5 +653,6 @@ cogl_texture_2d_vtable =
|
|||
_cogl_texture_2d_get_format,
|
||||
_cogl_texture_2d_get_gl_format,
|
||||
_cogl_texture_2d_get_width,
|
||||
_cogl_texture_2d_get_height
|
||||
_cogl_texture_2d_get_height,
|
||||
NULL /* is_foreign */
|
||||
};
|
||||
|
|
|
@ -61,6 +61,7 @@ _cogl_texture_driver_prep_gl_for_pixels_upload (int pixels_rowstride,
|
|||
void
|
||||
_cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
int src_x,
|
||||
int src_y,
|
||||
int dst_x,
|
||||
|
@ -80,6 +81,7 @@ _cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
|||
void
|
||||
_cogl_texture_driver_upload_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
CoglBitmap *source_bmp,
|
||||
GLint internal_gl_format,
|
||||
GLuint source_gl_format,
|
||||
|
|
|
@ -118,6 +118,8 @@ struct _CoglTextureVtable
|
|||
GLenum (* get_gl_format) (CoglTexture *tex);
|
||||
int (* get_width) (CoglTexture *tex);
|
||||
int (* get_height) (CoglTexture *tex);
|
||||
|
||||
gboolean (* is_foreign) (CoglTexture *tex);
|
||||
};
|
||||
|
||||
struct _CoglTexture
|
||||
|
@ -126,6 +128,20 @@ struct _CoglTexture
|
|||
const CoglTextureVtable *vtable;
|
||||
};
|
||||
|
||||
typedef enum _CoglTextureChangeFlags
|
||||
{
|
||||
/* Whenever the internals of a texture are changed such that the
|
||||
* underlying GL textures that represent the CoglTexture change then
|
||||
* we notify cogl-material.c via
|
||||
* _cogl_material_texture_pre_change_notify
|
||||
*/
|
||||
COGL_TEXTURE_CHANGE_GL_TEXTURES
|
||||
|
||||
} CoglTextureChangeFlags;
|
||||
|
||||
void
|
||||
_cogl_texture_free (CoglTexture *texture);
|
||||
|
||||
void
|
||||
_cogl_texture_foreach_sub_texture_in_region (CoglHandle handle,
|
||||
float virtual_tx_1,
|
||||
|
@ -215,4 +231,7 @@ _cogl_texture_draw_and_read (CoglHandle handle,
|
|||
GLuint target_gl_format,
|
||||
GLuint target_gl_type);
|
||||
|
||||
gboolean
|
||||
_cogl_texture_is_foreign (CoglHandle handle);
|
||||
|
||||
#endif /* __COGL_TEXTURE_PRIVATE_H */
|
||||
|
|
|
@ -102,6 +102,12 @@ cogl_texture_unref (CoglHandle handle)
|
|||
cogl_handle_unref (handle);
|
||||
}
|
||||
|
||||
void
|
||||
_cogl_texture_free (CoglTexture *texture)
|
||||
{
|
||||
g_free (texture);
|
||||
}
|
||||
|
||||
static gboolean
|
||||
_cogl_texture_needs_premult_conversion (CoglPixelFormat src_format,
|
||||
CoglPixelFormat dst_format)
|
||||
|
@ -471,6 +477,8 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
|
|||
GLuint y_pot_waste,
|
||||
CoglPixelFormat format)
|
||||
{
|
||||
/* FIXME: only create a sliced texture if x or y waste was specified
|
||||
*/
|
||||
return _cogl_texture_2d_sliced_new_from_foreign (gl_handle,
|
||||
gl_target,
|
||||
width,
|
||||
|
@ -480,6 +488,21 @@ cogl_texture_new_from_foreign (GLuint gl_handle,
|
|||
format);
|
||||
}
|
||||
|
||||
gboolean
|
||||
_cogl_texture_is_foreign (CoglHandle handle)
|
||||
{
|
||||
CoglTexture *tex;
|
||||
|
||||
g_return_val_if_fail (cogl_is_texture (handle), FALSE);
|
||||
|
||||
tex = COGL_TEXTURE (handle);
|
||||
|
||||
if (tex->vtable->is_foreign)
|
||||
return tex->vtable->is_foreign (tex);
|
||||
else
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
CoglHandle
|
||||
cogl_texture_new_from_sub_texture (CoglHandle full_texture,
|
||||
int sub_x,
|
||||
|
|
|
@ -40,6 +40,7 @@
|
|||
#include "cogl-context.h"
|
||||
#include "cogl-handle.h"
|
||||
#include "cogl-primitives.h"
|
||||
#include "cogl-material-private.h"
|
||||
|
||||
#include <string.h>
|
||||
#include <stdlib.h>
|
||||
|
@ -58,7 +59,9 @@ _cogl_texture_driver_gen (GLenum gl_target,
|
|||
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
GE (glBindTexture (gl_target, textures[i]));
|
||||
_cogl_bind_gl_texture_transient (gl_target,
|
||||
textures[i],
|
||||
FALSE);
|
||||
|
||||
switch (gl_target)
|
||||
{
|
||||
|
@ -123,6 +126,7 @@ _cogl_texture_driver_prep_gl_for_pixels_download (int pixels_rowstride,
|
|||
void
|
||||
_cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
int src_x,
|
||||
int src_y,
|
||||
int dst_x,
|
||||
|
@ -141,7 +145,7 @@ _cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
|||
src_y,
|
||||
bpp);
|
||||
|
||||
GE( glBindTexture (gl_target, gl_handle) );
|
||||
_cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign);
|
||||
|
||||
GE( glTexSubImage2D (gl_target, 0,
|
||||
dst_x, dst_y,
|
||||
|
@ -154,6 +158,7 @@ _cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
|||
void
|
||||
_cogl_texture_driver_upload_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
CoglBitmap *source_bmp,
|
||||
GLint internal_gl_format,
|
||||
GLuint source_gl_format,
|
||||
|
@ -164,7 +169,7 @@ _cogl_texture_driver_upload_to_gl (GLenum gl_target,
|
|||
/* Setup gl alignment to match rowstride and top-left corner */
|
||||
prep_gl_for_pixels_upload_full (source_bmp->rowstride, 0, 0, bpp);
|
||||
|
||||
GE( glBindTexture (gl_target, gl_handle) );
|
||||
_cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign);
|
||||
|
||||
GE( glTexImage2D (gl_target, 0,
|
||||
internal_gl_format,
|
||||
|
|
|
@ -37,6 +37,7 @@
|
|||
#include "cogl-bitmap-private.h"
|
||||
#include "cogl-texture-private.h"
|
||||
#include "cogl-material.h"
|
||||
#include "cogl-material-private.h"
|
||||
#include "cogl-context.h"
|
||||
#include "cogl-handle.h"
|
||||
#include "cogl-primitives.h"
|
||||
|
@ -58,7 +59,7 @@ _cogl_texture_driver_gen (GLenum gl_target,
|
|||
|
||||
for (i = 0; i < n; i++)
|
||||
{
|
||||
GE (glBindTexture (gl_target, textures[i]));
|
||||
_cogl_bind_gl_texture_transient (gl_target, textures[i], FALSE);
|
||||
|
||||
switch (gl_target)
|
||||
{
|
||||
|
@ -91,6 +92,7 @@ _cogl_texture_driver_prep_gl_for_pixels_download (int pixels_rowstride,
|
|||
void
|
||||
_cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
int src_x,
|
||||
int src_y,
|
||||
int dst_x,
|
||||
|
@ -131,7 +133,7 @@ _cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
|||
slice_bmp.width,
|
||||
slice_bmp.height);
|
||||
|
||||
GE( glBindTexture (gl_target, gl_handle) );
|
||||
_cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign);
|
||||
|
||||
GE( glTexSubImage2D (gl_target, 0,
|
||||
dst_x, dst_y,
|
||||
|
@ -147,6 +149,7 @@ _cogl_texture_driver_upload_subregion_to_gl (GLenum gl_target,
|
|||
void
|
||||
_cogl_texture_driver_upload_to_gl (GLenum gl_target,
|
||||
GLuint gl_handle,
|
||||
gboolean is_foreign,
|
||||
CoglBitmap *source_bmp,
|
||||
GLint internal_gl_format,
|
||||
GLuint source_gl_format,
|
||||
|
@ -175,7 +178,7 @@ _cogl_texture_driver_upload_to_gl (GLenum gl_target,
|
|||
_cogl_texture_driver_prep_gl_for_pixels_upload (bmp.rowstride,
|
||||
bpp);
|
||||
|
||||
GE( glBindTexture (gl_target, gl_handle) );
|
||||
_cogl_bind_gl_texture_transient (gl_target, gl_handle, is_foreign);
|
||||
|
||||
GE( glTexImage2D (gl_target, 0,
|
||||
internal_gl_format,
|
||||
|
|
Loading…
Reference in a new issue