diff options
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_texture.h')
-rw-r--r-- | mesalib/src/mesa/state_tracker/st_texture.h | 446 |
1 files changed, 221 insertions, 225 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_texture.h b/mesalib/src/mesa/state_tracker/st_texture.h index 53d97101d..bca856d71 100644 --- a/mesalib/src/mesa/state_tracker/st_texture.h +++ b/mesalib/src/mesa/state_tracker/st_texture.h @@ -1,225 +1,221 @@ -/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) shall be included in all copies or substantial portions
- * of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
- * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
- * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
- * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
- **************************************************************************/
-
-#ifndef ST_TEXTURE_H
-#define ST_TEXTURE_H
-
-
-#include "pipe/p_context.h"
-#include "util/u_sampler.h"
-
-#include "main/mtypes.h"
-
-
-struct pipe_resource;
-
-
-/**
- * Subclass of gl_texure_image.
- */
-struct st_texture_image
-{
- struct gl_texture_image base;
-
- /* These aren't stored in gl_texture_image
- */
- GLuint level;
- GLuint face;
-
- /* If stImage->pt != NULL, image data is stored here.
- * Else if stImage->base.Data != NULL, image is stored there.
- * Else there is no image data.
- */
- struct pipe_resource *pt;
-
- struct pipe_transfer *transfer;
-};
-
-
-/**
- * Subclass of gl_texure_object.
- */
-struct st_texture_object
-{
- struct gl_texture_object base; /* The "parent" object */
-
- /* The texture must include at levels [0..lastLevel] once validated:
- */
- GLuint lastLevel;
-
- /** The size of the level=0 mipmap image */
- GLuint width0, height0, depth0;
-
- /* On validation any active images held in main memory or in other
- * textures will be copied to this texture and the old storage freed.
- */
- struct pipe_resource *pt;
-
- /* Default sampler view attached to this texture object. Created lazily
- * on first binding.
- */
- struct pipe_sampler_view *sampler_view;
-
- /* True if there is/was a surface bound to this texture object. It helps
- * track whether the texture object is surface based or not.
- */
- GLboolean surface_based;
-};
-
-
-static INLINE struct st_texture_image *
-st_texture_image(struct gl_texture_image *img)
-{
- return (struct st_texture_image *) img;
-}
-
-static INLINE struct st_texture_object *
-st_texture_object(struct gl_texture_object *obj)
-{
- return (struct st_texture_object *) obj;
-}
-
-
-static INLINE struct pipe_resource *
-st_get_texobj_resource(struct gl_texture_object *texObj)
-{
- struct st_texture_object *stObj = st_texture_object(texObj);
- return stObj ? stObj->pt : NULL;
-}
-
-
-static INLINE struct pipe_resource *
-st_get_stobj_resource(struct st_texture_object *stObj)
-{
- return stObj ? stObj->pt : NULL;
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_create_texture_sampler_view(struct pipe_context *pipe,
- struct pipe_resource *texture)
-{
- struct pipe_sampler_view templ;
-
- u_sampler_view_default_template(&templ,
- texture,
- texture->format);
-
- return pipe->create_sampler_view(pipe, texture, &templ);
-}
-
-
-static INLINE struct pipe_sampler_view *
-st_create_texture_sampler_view_format(struct pipe_context *pipe,
- struct pipe_resource *texture,
- enum pipe_format format)
-{
- struct pipe_sampler_view templ;
-
- u_sampler_view_default_template(&templ,
- texture,
- format);
-
- return pipe->create_sampler_view(pipe, texture, &templ);
-}
-
-static INLINE struct pipe_sampler_view *
-st_get_texture_sampler_view(struct st_texture_object *stObj,
- struct pipe_context *pipe)
-
-{
- if (!stObj || !stObj->pt) {
- return NULL;
- }
-
- if (!stObj->sampler_view) {
- stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt);
- }
-
- return stObj->sampler_view;
-}
-
-
-extern struct pipe_resource *
-st_texture_create(struct st_context *st,
- enum pipe_texture_target target,
- enum pipe_format format,
- GLuint last_level,
- GLuint width0,
- GLuint height0,
- GLuint depth0,
- GLuint tex_usage );
-
-
-/* Check if an image fits into an existing texture object.
- */
-extern GLboolean
-st_texture_match_image(const struct pipe_resource *pt,
- const struct gl_texture_image *image,
- GLuint face, GLuint level);
-
-/* Return a pointer to an image within a texture. Return image stride as
- * well.
- */
-extern GLubyte *
-st_texture_image_map(struct st_context *st,
- struct st_texture_image *stImage,
- GLuint zoffset,
- enum pipe_transfer_usage usage,
- unsigned x, unsigned y,
- unsigned w, unsigned h);
-
-extern void
-st_texture_image_unmap(struct st_context *st,
- struct st_texture_image *stImage);
-
-
-/* Return pointers to each 2d slice within an image. Indexed by depth
- * value.
- */
-extern const GLuint *
-st_texture_depth_offsets(struct pipe_resource *pt, GLuint level);
-
-
-/* Upload an image into a texture
- */
-extern void
-st_texture_image_data(struct st_context *st,
- struct pipe_resource *dst,
- GLuint face, GLuint level, void *src,
- GLuint src_row_pitch, GLuint src_image_pitch);
-
-
-/* Copy an image between two textures
- */
-extern void
-st_texture_image_copy(struct pipe_context *pipe,
- struct pipe_resource *dst, GLuint dstLevel,
- struct pipe_resource *src, GLuint srcLevel,
- GLuint face);
-
-#endif
+/************************************************************************** + * + * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +#ifndef ST_TEXTURE_H +#define ST_TEXTURE_H + + +#include "pipe/p_context.h" +#include "util/u_sampler.h" + +#include "main/mtypes.h" + + +struct pipe_resource; + + +/** + * Subclass of gl_texure_image. + */ +struct st_texture_image +{ + struct gl_texture_image base; + + /* These aren't stored in gl_texture_image + */ + GLuint level; + GLuint face; + + /* If stImage->pt != NULL, image data is stored here. + * Else if stImage->base.Data != NULL, image is stored there. + * Else there is no image data. + */ + struct pipe_resource *pt; + + struct pipe_transfer *transfer; +}; + + +/** + * Subclass of gl_texure_object. + */ +struct st_texture_object +{ + struct gl_texture_object base; /* The "parent" object */ + + /* The texture must include at levels [0..lastLevel] once validated: + */ + GLuint lastLevel; + + /** The size of the level=0 mipmap image */ + GLuint width0, height0, depth0; + + /* On validation any active images held in main memory or in other + * textures will be copied to this texture and the old storage freed. + */ + struct pipe_resource *pt; + + /* Default sampler view attached to this texture object. Created lazily + * on first binding. + */ + struct pipe_sampler_view *sampler_view; + + /* True if there is/was a surface bound to this texture object. It helps + * track whether the texture object is surface based or not. + */ + GLboolean surface_based; +}; + + +static INLINE struct st_texture_image * +st_texture_image(struct gl_texture_image *img) +{ + return (struct st_texture_image *) img; +} + +static INLINE struct st_texture_object * +st_texture_object(struct gl_texture_object *obj) +{ + return (struct st_texture_object *) obj; +} + + +static INLINE struct pipe_resource * +st_get_texobj_resource(struct gl_texture_object *texObj) +{ + struct st_texture_object *stObj = st_texture_object(texObj); + return stObj ? stObj->pt : NULL; +} + + +static INLINE struct pipe_resource * +st_get_stobj_resource(struct st_texture_object *stObj) +{ + return stObj ? stObj->pt : NULL; +} + + +static INLINE struct pipe_sampler_view * +st_create_texture_sampler_view(struct pipe_context *pipe, + struct pipe_resource *texture) +{ + struct pipe_sampler_view templ; + + u_sampler_view_default_template(&templ, texture, texture->format); + + return pipe->create_sampler_view(pipe, texture, &templ); +} + + +static INLINE struct pipe_sampler_view * +st_create_texture_sampler_view_format(struct pipe_context *pipe, + struct pipe_resource *texture, + enum pipe_format format) +{ + struct pipe_sampler_view templ; + + u_sampler_view_default_template(&templ, texture, format); + + return pipe->create_sampler_view(pipe, texture, &templ); +} + + +static INLINE struct pipe_sampler_view * +st_get_texture_sampler_view(struct st_texture_object *stObj, + struct pipe_context *pipe) +{ + if (!stObj || !stObj->pt) { + return NULL; + } + + if (!stObj->sampler_view) { + stObj->sampler_view = st_create_texture_sampler_view(pipe, stObj->pt); + } + + return stObj->sampler_view; +} + + +extern struct pipe_resource * +st_texture_create(struct st_context *st, + enum pipe_texture_target target, + enum pipe_format format, + GLuint last_level, + GLuint width0, + GLuint height0, + GLuint depth0, + GLuint tex_usage ); + + +/* Check if an image fits into an existing texture object. + */ +extern GLboolean +st_texture_match_image(const struct pipe_resource *pt, + const struct gl_texture_image *image, + GLuint face, GLuint level); + +/* Return a pointer to an image within a texture. Return image stride as + * well. + */ +extern GLubyte * +st_texture_image_map(struct st_context *st, + struct st_texture_image *stImage, + GLuint zoffset, + enum pipe_transfer_usage usage, + unsigned x, unsigned y, + unsigned w, unsigned h); + +extern void +st_texture_image_unmap(struct st_context *st, + struct st_texture_image *stImage); + + +/* Return pointers to each 2d slice within an image. Indexed by depth + * value. + */ +extern const GLuint * +st_texture_depth_offsets(struct pipe_resource *pt, GLuint level); + + +/* Upload an image into a texture + */ +extern void +st_texture_image_data(struct st_context *st, + struct pipe_resource *dst, + GLuint face, GLuint level, void *src, + GLuint src_row_pitch, GLuint src_image_pitch); + + +/* Copy an image between two textures + */ +extern void +st_texture_image_copy(struct pipe_context *pipe, + struct pipe_resource *dst, GLuint dstLevel, + struct pipe_resource *src, GLuint srcLevel, + GLuint face); + +#endif |