X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fstate_tracker%2Fst_texture.h;h=c5fc30cec5d8566b1b47566fe3f29136434aaa3d;hb=f986741a91b80091b510752b707a82f5b19440ee;hp=9fcf86844da24d2e794f33c07d3c1d56fd9967d6;hpb=ef9a619ba9c49e27ac3fd1c2925ae6b288cd4a09;p=mesa.git diff --git a/src/mesa/state_tracker/st_texture.h b/src/mesa/state_tracker/st_texture.h index 9fcf86844da..c5fc30cec5d 100644 --- a/src/mesa/state_tracker/st_texture.h +++ b/src/mesa/state_tracker/st_texture.h @@ -1,8 +1,8 @@ /************************************************************************** - * - * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas. + * + * Copyright 2007 VMware, Inc. * 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 @@ -10,19 +10,19 @@ * 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 + * IN NO EVENT SHALL VMWARE 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 @@ -31,33 +31,83 @@ #include "pipe/p_context.h" #include "util/u_sampler.h" +#include "util/simple_mtx.h" #include "main/mtypes.h" -struct pipe_context; + struct pipe_resource; +struct st_texture_image_transfer +{ + struct pipe_transfer *transfer; + + /* For compressed texture fallback. */ + GLubyte *temp_data; /**< Temporary compressed texture storage. */ + unsigned temp_stride; /**< Stride of the compressed texture storage. */ + GLubyte *map; /**< Saved map pointer of the uncompressed transfer. */ +}; + + +/** + * Container for one context's validated sampler view. + */ +struct st_sampler_view +{ + struct pipe_sampler_view *view; + + /** The context which created this view */ + struct st_context *st; + + /** The glsl version of the shader seen during validation */ + bool glsl130_or_later; + /** Derived from the sampler's sRGBDecode state during validation */ + bool srgb_skip_decode; +}; + + +/** + * Container for per-context sampler views of a texture. + */ +struct st_sampler_views +{ + struct st_sampler_views *next; + uint32_t max; + uint32_t count; + struct st_sampler_view views[0]; +}; + + +/** + * 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; -}; + /* List of transfers, allocated on demand. + * transfer[layer] is a mapping for that layer. + */ + struct st_texture_image_transfer *transfer; + unsigned num_transfers; + /* For compressed images unsupported by the driver. Keep track of + * the original data. This is necessary for mapping/unmapping, + * as well as image copies. + */ + GLubyte *compressed_data; +}; +/** + * Subclass of gl_texure_object. + */ struct st_texture_object { struct gl_texture_object base; /* The "parent" object */ @@ -66,116 +116,186 @@ struct st_texture_object */ GLuint lastLevel; + unsigned int validated_first_level; + unsigned int validated_last_level; + /* 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. + /* Protect modifications of the sampler_views array */ + simple_mtx_t validate_mutex; + + /* Container of sampler views (one per context) attached to this texture + * object. Created lazily on first binding in context. + * + * Purely read-only accesses to the current context's own sampler view + * require no locking. Another thread may simultaneously replace the + * container object in order to grow the array, but the old container will + * be kept alive. + * + * Writing to the container (even for modifying the current context's own + * sampler view) always requires taking the validate_mutex to protect against + * concurrent container switches. + * + * NULL'ing another context's sampler view is allowed only while + * implementing an API call that modifies the texture: an application which + * calls those while simultaneously reading the texture in another context + * invokes undefined behavior. (TODO: a dubious violation of this rule is + * st_finalize_texture, which is a lazy operation that corresponds to a + * texture modification.) */ - struct pipe_sampler_view *sampler_view; - - struct pipe_context *pipe; + struct st_sampler_views *sampler_views; - GLboolean teximage_realloc; + /* Old sampler views container objects that have not been freed yet because + * other threads/contexts may still be reading from them. + */ + struct st_sampler_views *sampler_views_old; - /* True if there is/was a surface bound to this texture object. It helps - * track whether the texture object is surface based or not. + /* True if this texture comes from the window system. Such a texture + * cannot be reallocated and the format can only be changed with a sampler + * view or a surface. */ GLboolean surface_based; + + /* If surface_based is true, this format should be used for all sampler + * views and surfaces instead of pt->format. + */ + enum pipe_format surface_format; + + /* When non-zero, samplers should use this level instead of the level + * range specified by the GL state. + * + * This is used for EGL images, which may correspond to a single level out + * of an imported pipe_resources with multiple mip levels. + */ + uint level_override; + + /* When non-zero, samplers should use this layer instead of the one + * specified by the GL state. + * + * This is used for EGL images and VDPAU interop, where imported + * pipe_resources may be cube, 3D, or array textures (containing layers + * with different fields in the case of VDPAU) even though the GL state + * describes one non-array texture per field. + */ + uint layer_override; + + /** + * Set when the texture images of this texture object might not all be in + * the pipe_resource *pt above. + */ + bool needs_validation; }; -static INLINE struct st_texture_image * +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 * +static inline const struct st_texture_image * +st_texture_image_const(const struct gl_texture_image *img) +{ + return (const 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 const struct st_texture_object * +st_texture_object_const(const struct gl_texture_object *obj) +{ + return (const struct st_texture_object *) obj; +} -static INLINE struct pipe_resource * -st_get_texobj_texture(struct gl_texture_object *texObj) + +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_texture(struct st_texture_object *stObj) +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) +static inline struct st_texture_object * +st_get_texture_object(struct gl_context *ctx, + const struct gl_program *prog, + unsigned unit) { - struct pipe_sampler_view templ; + const GLuint texUnit = prog->SamplerUnits[unit]; + struct gl_texture_object *texObj = ctx->Texture.Unit[texUnit]._Current; - u_sampler_view_default_template(&templ, - texture, - texture->format); + if (!texObj) + return NULL; - return pipe->create_sampler_view(pipe, texture, &templ); + return st_texture_object(texObj); } - -static INLINE struct pipe_sampler_view * -st_get_texture_sampler_view(struct st_texture_object *stObj) +static inline enum pipe_format +st_get_view_format(struct st_texture_object *stObj) { - if (!stObj || !stObj->pt) { - return NULL; - } - - if (!stObj->sampler_view) { - stObj->sampler_view = st_create_texture_sampler_view(stObj->pipe, stObj->pt); - } - - return stObj->sampler_view; + if (!stObj) + return PIPE_FORMAT_NONE; + return stObj->surface_based ? stObj->surface_format : stObj->pt->format; } extern struct pipe_resource * st_texture_create(struct st_context *st, enum pipe_texture_target target, - enum pipe_format format, + enum pipe_format format, GLuint last_level, GLuint width0, GLuint height0, GLuint depth0, + GLuint layers, + GLuint nr_samples, GLuint tex_usage ); +extern void +st_gl_texture_dims_to_pipe_dims(GLenum texture, + unsigned widthIn, + uint16_t heightIn, + uint16_t depthIn, + unsigned *widthOut, + uint16_t *heightOut, + uint16_t *depthOut, + uint16_t *layersOut); + /* 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); +st_texture_match_image(struct st_context *st, + const struct pipe_resource *pt, + const struct gl_texture_image *image); /* 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, +st_texture_image_map(struct st_context *st, struct st_texture_image *stImage, enum pipe_transfer_usage usage, - unsigned x, unsigned y, - unsigned w, unsigned h); + GLuint x, GLuint y, GLuint z, + GLuint w, GLuint h, GLuint d, + struct pipe_transfer **transfer); extern void st_texture_image_unmap(struct st_context *st, - struct st_texture_image *stImage); + struct st_texture_image *stImage, unsigned slice); /* Return pointers to each 2d slice within an image. Indexed by depth @@ -184,40 +304,61 @@ st_texture_image_unmap(struct st_context *st, extern const GLuint * st_texture_depth_offsets(struct pipe_resource *pt, GLuint level); - -/* Return the linear offset of an image relative to the start of its region. - */ -extern GLuint -st_texture_image_offset(const struct pipe_resource *pt, - GLuint face, GLuint level); - -extern GLuint -st_texture_texel_offset(const struct pipe_resource * pt, - GLuint face, GLuint level, - GLuint col, GLuint row, GLuint img); - - -/* 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, + struct pipe_resource *src, GLuint srcLevel, GLuint face); -extern void -st_teximage_flush_before_map(struct st_context *st, - struct pipe_resource *pt, - unsigned int face, - unsigned int level, - enum pipe_transfer_usage usage); + +extern struct pipe_resource * +st_create_color_map_texture(struct gl_context *ctx); + +void +st_destroy_bound_texture_handles(struct st_context *st); + +void +st_destroy_bound_image_handles(struct st_context *st); + +bool +st_compressed_format_fallback(struct st_context *st, mesa_format format); + +void +st_convert_image(const struct st_context *st, const struct gl_image_unit *u, + struct pipe_image_view *img, unsigned shader_access); + +void +st_convert_image_from_unit(const struct st_context *st, + struct pipe_image_view *img, + GLuint imgUnit, + unsigned shader_access); + +void +st_convert_sampler(const struct st_context *st, + const struct gl_texture_object *texobj, + const struct gl_sampler_object *msamp, + float tex_unit_lod_bias, + struct pipe_sampler_state *sampler); + +void +st_convert_sampler_from_unit(const struct st_context *st, + struct pipe_sampler_state *sampler, + GLuint texUnit); + +void +st_update_single_texture(struct st_context *st, + struct pipe_sampler_view **sampler_view, + GLuint texUnit, bool glsl130_or_later, + bool ignore_srgb_decode); + +void +st_make_bound_samplers_resident(struct st_context *st, + struct gl_program *prog); + +void +st_make_bound_images_resident(struct st_context *st, + struct gl_program *prog); + #endif