#include "pipe/p_compiler.h"
#include "pipe/p_state.h"
#include "util/u_inlines.h"
+#include "util/u_memory.h"
#include "util/u_transfer.h"
#include "svga_screen_cache.h"
extern struct u_resource_vtbl svga_texture_vtbl;
-struct svga_texture
+struct svga_texture
{
struct u_resource b;
- boolean defined[6][SVGA_MAX_TEXTURE_LEVELS];
-
+ ushort *defined;
+
struct svga_sampler_view *cached_view;
unsigned view_age[SVGA_MAX_TEXTURE_LEVELS];
/**
* Creation key for the host surface handle.
- *
- * This structure describes all the host surface characteristics so that it
+ *
+ * This structure describes all the host surface characteristics so that it
* can be looked up in cache, since creating a host surface is often a slow
* operation.
*/
* to this texture and never destroy this handle directly.
*/
struct svga_winsys_surface *handle;
+
+ /**
+ * Whether the host side surface is validated, either through the
+ * InvalidateGBSurface command or after the surface is updated
+ * or rendered to.
+ */
+ boolean validated;
+
+ /**
+ * Whether the host side surface is imported and not created by this
+ * driver.
+ */
+ boolean imported;
+
+ /**
+ * Whether texture upload buffer can be used on this texture
+ */
+ boolean can_use_upload;
+
+ unsigned size; /**< Approximate size in bytes */
+
+ /** array indexed by cube face or 3D/array slice, one bit per mipmap level */
+ ushort *rendered_to;
+
+ /** array indexed by cube face or 3D/array slice, one bit per mipmap level.
+ * Set if the level is marked as dirty.
+ */
+ ushort *dirty;
+
+ /**
+ * A cached backing host side surface to be used if this texture is being
+ * used for rendering and sampling at the same time.
+ * Currently we only cache one handle. If needed, we can extend this to
+ * support multiple handles.
+ */
+ struct svga_host_surface_cache_key backed_key;
+ struct svga_winsys_surface *backed_handle;
+ unsigned backed_age;
};
{
struct pipe_transfer base;
+ unsigned slice; /**< array slice or cube face */
+ SVGA3dBox box; /* The adjusted box with slice index removed from z */
+
struct svga_winsys_buffer *hwbuf;
/* Height of the hardware buffer in pixel blocks */
/* Temporary malloc buffer when we can't allocate a hardware buffer
* big enough */
void *swbuf;
+
+ /* True if guest backed surface is supported and we can directly map
+ * to the surface for this transfer.
+ */
+ boolean use_direct_map;
+
+ struct {
+ struct pipe_resource *buf; /* points to the upload buffer if this
+ * transfer is done via the upload buffer
+ * instead of directly mapping to the
+ * resource's surface.
+ */
+ void *map;
+ unsigned offset;
+ SVGA3dBox box;
+ unsigned nlayers;
+ } upload;
};
-static INLINE struct svga_texture *svga_texture( struct pipe_resource *resource )
+static inline struct svga_texture *
+svga_texture(struct pipe_resource *resource)
{
struct svga_texture *tex = (struct svga_texture *)resource;
assert(tex == NULL || tex->b.vtbl == &svga_texture_vtbl);
}
-static INLINE struct svga_transfer *
+static inline struct svga_transfer *
svga_transfer(struct pipe_transfer *transfer)
{
assert(transfer);
}
+/**
+ * Increment the age of a view into a texture
+ * This is used to track updates to textures when we draw into
+ * them via a surface.
+ */
+static inline void
+svga_age_texture_view(struct svga_texture *tex, unsigned level)
+{
+ assert(level < ARRAY_SIZE(tex->view_age));
+ tex->view_age[level] = ++(tex->age);
+}
-struct pipe_resource *
-svga_texture_create(struct pipe_screen *screen,
- const struct pipe_resource *template);
-struct pipe_resource *
-svga_texture_from_handle(struct pipe_screen * screen,
- const struct pipe_resource *template,
- struct winsys_handle *whandle);
+/** For debugging, check that face and level are legal */
+static inline void
+check_face_level(const struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ if (tex->b.b.target == PIPE_TEXTURE_CUBE) {
+ assert(face < 6);
+ }
+ else if (tex->b.b.target == PIPE_TEXTURE_3D) {
+ assert(face < tex->b.b.depth0);
+ }
+ else {
+ assert(face < tex->b.b.array_size);
+ }
+
+ assert(level < 8 * sizeof(tex->rendered_to[0]));
+}
+/**
+ * Mark the given texture face/level as being defined.
+ */
+static inline void
+svga_define_texture_level(struct svga_texture *tex,
+ unsigned face,unsigned level)
+{
+ check_face_level(tex, face, level);
+ tex->defined[face] |= 1 << level;
+ tex->validated = TRUE;
+}
+
+
+static inline bool
+svga_is_texture_level_defined(const struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ return (tex->defined[face] & (1 << level)) != 0;
+}
+
+
+static inline void
+svga_set_texture_rendered_to(struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ tex->rendered_to[face] |= 1 << level;
+ tex->validated = TRUE;
+}
+
+
+static inline void
+svga_clear_texture_rendered_to(struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ tex->rendered_to[face] &= ~(1 << level);
+}
-enum SVGA3dSurfaceFormat
-svga_translate_format(enum pipe_format format);
-enum SVGA3dSurfaceFormat
-svga_translate_format_render(enum pipe_format format);
+static inline boolean
+svga_was_texture_rendered_to(const struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ return !!(tex->rendered_to[face] & (1 << level));
+}
+static inline void
+svga_set_texture_dirty(struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ tex->dirty[face] |= 1 << level;
+}
+
+static inline void
+svga_clear_texture_dirty(struct svga_texture *tex)
+{
+ unsigned i;
+ for (i = 0; i < tex->b.b.depth0 * tex->b.b.array_size; i++) {
+ tex->dirty[i] = 0;
+ }
+}
+
+static inline boolean
+svga_is_texture_dirty(const struct svga_texture *tex,
+ unsigned face, unsigned level)
+{
+ check_face_level(tex, face, level);
+ return !!(tex->dirty[face] & (1 << level));
+}
+
+struct pipe_resource *
+svga_texture_create(struct pipe_screen *screen,
+ const struct pipe_resource *template);
+
+struct pipe_resource *
+svga_texture_from_handle(struct pipe_screen * screen,
+ const struct pipe_resource *template,
+ struct winsys_handle *whandle);
+
+bool
+svga_texture_generate_mipmap(struct pipe_context *pipe,
+ struct pipe_resource *pt,
+ enum pipe_format format,
+ unsigned base_level,
+ unsigned last_level,
+ unsigned first_layer,
+ unsigned last_layer);
+
+boolean
+svga_texture_transfer_map_upload_create(struct svga_context *svga);
+
+void
+svga_texture_transfer_map_upload_destroy(struct svga_context *svga);
+
+boolean
+svga_texture_transfer_map_can_upload(const struct svga_screen *svgascreen,
+ const struct pipe_resource *pt);
+
+void *
+svga_texture_transfer_map_upload(struct svga_context *svga,
+ struct svga_transfer *st);
+
+void
+svga_texture_transfer_unmap_upload(struct svga_context *svga,
+ struct svga_transfer *st);
+
+boolean
+svga_texture_device_format_has_alpha(struct pipe_resource *texture);
#endif /* SVGA_TEXTURE_H */
projects / mesa.git / blobdiff