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mutter/cogl/cogl-texture-rectangle-private.h

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cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_TEXTURE_RECTANGLE_H
#define __COGL_TEXTURE_RECTANGLE_H
cogl: rename CoglMaterial -> CoglPipeline This applies an API naming change that's been deliberated over for a while now which is to rename CoglMaterial to CoglPipeline. For now the new pipeline API is marked as experimental and public headers continue to talk about materials not pipelines. The CoglMaterial API is now maintained in terms of the cogl_pipeline API internally. Currently this API is targeting Cogl 2.0 so we will have time to integrate it properly with other upcoming Cogl 2.0 work. The basic reasons for the rename are: - That the term "material" implies to many people that they are constrained to fragment processing; perhaps as some kind of high-level texture abstraction. - In Clutter they get exposed by ClutterTexture actors which may be re-inforcing this misconception. - When comparing how other frameworks use the term material, a material sometimes describes a multi-pass fragment processing technique which isn't the case in Cogl. - In code, "CoglPipeline" will hopefully be a much more self documenting summary of what these objects represent; a full GPU pipeline configuration including, for example, vertex processing, fragment processing and blending. - When considering the API documentation story, at some point we need a document introducing developers to how the "GPU pipeline" works so it should become intuitive that CoglPipeline maps back to that description of the GPU pipeline. - This is consistent in terminology and concept to OpenGL 4's new pipeline object which is a container for program objects. Note: The cogl-material.[ch] files have been renamed to cogl-material-compat.[ch] because otherwise git doesn't seem to treat the change as a moving the old cogl-material.c->cogl-pipeline.c and so we loose all our git-blame history.
2010-10-27 13:54:57 -04:00
#include "cogl-pipeline-private.h"
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
#include "cogl-texture-private.h"
Remove all internal includes of cogl.h The cogl.h header is meant to be the public header for including the 1.x api used by Clutter so we should stop using that as a convenient way to include all likely prototypes and typedefs. Actually we already do a good job of listing the specific headers we depend on in each of the .c files we have so mostly this patch just strip out the redundant includes for cogl.h with a few fixups where that broke the build. Reviewed-by: Neil Roberts <neil@linux.intel.com>
2012-02-17 20:19:17 -05:00
#include "cogl-texture-rectangle.h"
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
struct _CoglTextureRectangle
{
texture: rename texobj flush code as gl specific This renames the set_filters and set_wrap_mode_parameters texture virtual functions to gl_flush_legacy_texobj_filters and gl_flush_legacy_texobj_wrap_modes respectively to clarify that they are opengl driver specific and that they are only used to support the legacy opengl apis for setting filters and wrap modes where the state is associated with texture objects instead of being associated with sampler objects. This part of an effort to clearly delimit our abstraction over opengl so that we can start to consider non-opengl backends for Cogl. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 6f78b8a613340d7c6b736e51a16c625f52154430)
2012-09-10 15:35:39 -04:00
CoglTexture _parent;
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
texture: rename texobj flush code as gl specific This renames the set_filters and set_wrap_mode_parameters texture virtual functions to gl_flush_legacy_texobj_filters and gl_flush_legacy_texobj_wrap_modes respectively to clarify that they are opengl driver specific and that they are only used to support the legacy opengl apis for setting filters and wrap modes where the state is associated with texture objects instead of being associated with sampler objects. This part of an effort to clearly delimit our abstraction over opengl so that we can start to consider non-opengl backends for Cogl. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 6f78b8a613340d7c6b736e51a16c625f52154430)
2012-09-10 15:35:39 -04:00
/* The internal format of the texture represented as a
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
CoglPixelFormat */
Allow lazy texture storage allocation 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.
2012-11-22 18:01:08 -05:00
CoglPixelFormat internal_format;
texture: rename texobj flush code as gl specific This renames the set_filters and set_wrap_mode_parameters texture virtual functions to gl_flush_legacy_texobj_filters and gl_flush_legacy_texobj_wrap_modes respectively to clarify that they are opengl driver specific and that they are only used to support the legacy opengl apis for setting filters and wrap modes where the state is associated with texture objects instead of being associated with sampler objects. This part of an effort to clearly delimit our abstraction over opengl so that we can start to consider non-opengl backends for Cogl. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 6f78b8a613340d7c6b736e51a16c625f52154430)
2012-09-10 15:35:39 -04:00
/* TODO: factor out these OpenGL specific members into some form
* of driver private state. */
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
/* The internal format of the GL texture represented as a GL enum */
texture: rename texobj flush code as gl specific This renames the set_filters and set_wrap_mode_parameters texture virtual functions to gl_flush_legacy_texobj_filters and gl_flush_legacy_texobj_wrap_modes respectively to clarify that they are opengl driver specific and that they are only used to support the legacy opengl apis for setting filters and wrap modes where the state is associated with texture objects instead of being associated with sampler objects. This part of an effort to clearly delimit our abstraction over opengl so that we can start to consider non-opengl backends for Cogl. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 6f78b8a613340d7c6b736e51a16c625f52154430)
2012-09-10 15:35:39 -04:00
GLenum gl_format;
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
/* The texture object number */
texture: rename texobj flush code as gl specific This renames the set_filters and set_wrap_mode_parameters texture virtual functions to gl_flush_legacy_texobj_filters and gl_flush_legacy_texobj_wrap_modes respectively to clarify that they are opengl driver specific and that they are only used to support the legacy opengl apis for setting filters and wrap modes where the state is associated with texture objects instead of being associated with sampler objects. This part of an effort to clearly delimit our abstraction over opengl so that we can start to consider non-opengl backends for Cogl. Reviewed-by: Neil Roberts <neil@linux.intel.com> (cherry picked from commit 6f78b8a613340d7c6b736e51a16c625f52154430)
2012-09-10 15:35:39 -04:00
GLuint gl_texture;
GLenum gl_legacy_texobj_min_filter;
GLenum gl_legacy_texobj_mag_filter;
GLint gl_legacy_texobj_wrap_mode_s;
GLint gl_legacy_texobj_wrap_mode_t;
CoglBool is_foreign;
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
};
texture: Make CoglTextureRectangle experimentally public This exposes CoglTextureRectangle in the experimental cogl 2.0 api. For now we just expose a single constructor; cogl_texture_rectangle_new_with_size() but we can add more later. This is part of going work to improve our texture apis with more emphasis on providing low-level access to the varying semantics of different texture types understood by the gpu instead of only trying to present a lowest common denominator api. CoglTextureRectangle is notably useful for never being restricted to power of two sizes and for being sampled with non-normalized texture coordinates which can be convenient for use a lookup tables in glsl due to not needing separate uniforms for mapping normalized coordinates to texels. Unlike CoglTexture2D though rectangle textures can't have a mipmap and they only support the _CLAMP_TO_EDGE wrap mode. Applications wanting to use CoglTextureRectangle should first check cogl_has_feature (COGL_FEATURE_ID_TEXTURE_RECTANGLE). Reviewed-by: Neil Roberts <neil@linux.intel.com>
2011-10-14 04:25:12 -04:00
CoglTextureRectangle *
Support foreign textures in the texture-2d and rectangle backends This adds two new internal functions to create a foreign texture for the texture 2d and rectangle backends. cogl_texture_new_from_foreign will now use one of these backends directly if there is no waste instead of always using the sliced texture backend.
2010-10-04 10:27:38 -04:00
_cogl_texture_rectangle_new_from_foreign (GLuint gl_handle,
GLuint width,
GLuint height,
CoglPixelFormat format);
cogl: Add an internal CoglTextureRectangle backend This adds an internal rectangle texture backend which is mostly based on the CoglTexture2D backend. It will throw assert failures if any operations are attempted that rectangle textures don't support, such as mipmapping or hardware repeating.
2010-06-10 10:33:34 -04:00
#endif /* __COGL_TEXTURE_RECTANGLE_H */
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