/**************************************************************************
- *
+ *
* 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
* 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.
* 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
#include "pipe/p_context.h"
#include "util/u_sampler.h"
+#include "util/simple_mtx.h"
#include "main/mtypes.h"
struct pipe_resource;
-struct st_texture_image_transfer {
+struct st_texture_image_transfer
+{
struct pipe_transfer *transfer;
- /* For ETC fallback. */
- GLubyte *temp_data; /**< Temporary ETC texture storage. */
- unsigned temp_stride; /**< Stride of the ETC texture storage. */
+ /* 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_transfer *transfer;
unsigned num_transfers;
- /* For ETC images, keep track of the original data. This is necessary for
- * mapping/unmapping, as well as image copies.
+ /* 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 *etc_data;
- };
+ GLubyte *compressed_data;
+};
/**
*/
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;
- /* Number of views in sampler_views array */
- GLuint num_sampler_views;
+ /* Protect modifications of the sampler_views array */
+ simple_mtx_t validate_mutex;
- /* Array of sampler views (one per context) attached to this texture
+ /* 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_views;
+ struct st_sampler_views *sampler_views;
+
+ /* 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 this texture comes from the window system. Such a texture
* cannot be reallocated and the format can only be changed with a sampler
* views and surfaces instead of pt->format.
*/
enum pipe_format surface_format;
+
+ /* When non-negative, 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.
+ */
+ int level_override;
+
+ /* When non-negative, 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.
+ */
+ int 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 pipe_sampler_view *
-st_create_texture_sampler_view_format(struct pipe_context *pipe,
- struct pipe_resource *texture,
- enum pipe_format format)
+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, 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_create_texture_sampler_view(struct pipe_context *pipe,
- struct pipe_resource *texture)
+static inline enum pipe_format
+st_get_view_format(struct st_texture_object *stObj)
{
- return st_create_texture_sampler_view_format(pipe, texture,
- texture->format);
+ 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,
extern void
st_gl_texture_dims_to_pipe_dims(GLenum texture,
- GLuint widthIn,
- GLuint heightIn,
- GLuint depthIn,
- GLuint *widthOut,
- GLuint *heightOut,
- GLuint *depthOut,
- GLuint *layersOut);
+ 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 struct pipe_resource *
st_create_color_map_texture(struct gl_context *ctx);
-extern struct pipe_sampler_view **
-st_texture_get_sampler_view(struct st_context *st,
- struct st_texture_object *stObj);
+void
+st_destroy_bound_texture_handles(struct st_context *st);
-extern void
-st_texture_release_sampler_view(struct st_context *st,
- struct st_texture_object *stObj);
+void
+st_destroy_bound_image_handles(struct st_context *st);
-extern void
-st_texture_release_all_sampler_views(struct st_context *st,
- struct st_texture_object *stObj);
+bool
+st_astc_format_fallback(const struct st_context *st, mesa_format format);
+
+bool
+st_compressed_format_fallback(struct st_context *st, mesa_format format);
void
-st_texture_free_sampler_views(struct st_texture_object *stObj);
+st_convert_image(const struct st_context *st, const struct gl_image_unit *u,
+ struct pipe_image_view *img, unsigned shader_access);
-bool
-st_etc_fallback(struct st_context *st, struct gl_texture_image *texImage);
+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
projects / mesa.git / blobdiff