/**************************************************************************
- *
- * 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
* 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
#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 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];
+};
+
+struct st_compressed_data
+{
+ struct pipe_reference reference;
+ GLubyte *ptr;
+};
+
+
/**
* Subclass of gl_texure_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.
+ */
+ struct st_compressed_data* compressed_data;
};
*/
GLuint lastLevel;
- /** The size of the level=0 mipmap image */
- GLuint width0, height0, depth0;
+ 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 st_sampler_views *sampler_views;
- /* True if there is/was a surface bound to this texture object. It helps
- * track whether the texture object is surface based or not.
+ /* 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
+ * 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-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 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 *
+static inline struct pipe_resource *
st_get_texobj_resource(struct gl_texture_object *texObj)
{
struct st_texture_object *stObj = st_texture_object(texObj);
}
-static INLINE struct pipe_resource *
+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,
- struct pipe_context *pipe)
-
+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(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
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,
+ 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_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_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
projects / mesa.git / blobdiff