struct intel_resolve_map;
struct intel_texture_image;
+/**
+ * When calling intel_miptree_map() on an ETC-transcoded-to-RGB miptree or a
+ * depthstencil-split-to-separate-stencil miptree, we'll normally make a
+ * tmeporary and recreate the kind of data requested by Mesa core, since we're
+ * satisfying some glGetTexImage() request or something.
+ *
+ * However, occasionally you want to actually map the miptree's current data
+ * without transcoding back. This flag to intel_miptree_map() gets you that.
+ */
+#define BRW_MAP_DIRECT_BIT 0x80000000
+
struct intel_miptree_map {
/** Bitfield of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT, GL_MAP_INVALIDATE_BIT */
GLbitfield mode;
* intel_miptree_map/unmap on this slice.
*/
struct intel_miptree_map *map;
+
+ /**
+ * \brief Is HiZ enabled for this slice?
+ *
+ * If \c mt->level[l].slice[s].has_hiz is set, then (1) \c mt->hiz_mt
+ * has been allocated and (2) the HiZ memory corresponding to this slice
+ * resides at \c mt->hiz_mt->level[l].slice[s].
+ */
+ bool has_hiz;
} *slice;
};
GLuint first_level;
GLuint last_level;
- GLuint width0, height0, depth0; /**< Level zero image dimensions */
+ /**
+ * Level zero image dimensions. These dimensions correspond to the
+ * physical layout of data in memory. Accordingly, they account for the
+ * extra width, height, and or depth that must be allocated in order to
+ * accommodate multisample formats, and they account for the extra factor
+ * of 6 in depth that must be allocated in order to accommodate cubemap
+ * textures.
+ */
+ GLuint physical_width0, physical_height0, physical_depth0;
+
GLuint cpp;
GLuint num_samples;
bool compressed;
/**
- * If num_samples > 0, then singlesample_width0 is the value that width0
- * would have if instead a singlesample miptree were created. Note that,
- * for non-interleaved msaa layouts, the two values are the same.
- *
- * If num_samples == 0, then singlesample_width0 is undefined.
+ * Level zero image dimensions. These dimensions correspond to the
+ * logical width, height, and depth of the region as seen by client code.
+ * Accordingly, they do not account for the extra width, height, and/or
+ * depth that must be allocated in order to accommodate multisample
+ * formats, nor do they account for the extra factor of 6 in depth that
+ * must be allocated in order to accommodate cubemap textures.
*/
- uint32_t singlesample_width0;
-
- /** \see singlesample_width0 */
- uint32_t singlesample_height0;
+ uint32_t logical_width0, logical_height0, logical_depth0;
/**
* For 1D array, 2D array, cube, and 2D multisampled surfaces on Gen7: true
/**
* \brief HiZ miptree
*
- * This is non-null only if HiZ is enabled for this miptree.
+ * The hiz miptree contains the miptree's hiz buffer. To allocate the hiz
+ * miptree, use intel_miptree_alloc_hiz().
*
- * \see intel_miptree_alloc_hiz()
+ * To determine if hiz is enabled, do not check this pointer. Instead, use
+ * intel_miptree_slice_has_hiz().
*/
struct intel_mipmap_tree *hiz_mt;
*/
struct intel_mipmap_tree *mcs_mt;
- /**
- * \brief The miptree contains uncompressed data that was originally
- * ETC1/ETC2 data.
- *
- * On hardware that lacks support for ETC1/ETC2 textures, we do the following
- * on calls to glCompressedTexImage2D() with an ETC1/ETC2 texture format:
- * 1. Create a miptree whose format is a suitable uncompressed mesa format
- * with the wraps_etc flag set.
- * 2. Translate the ETC1/ETC2 data into uncompressed mesa format.
- * 3. Store the uncompressed data into the miptree and discard the ETC1/ETC2
- * data.
- */
- bool wraps_etc;
-
/* These are also refcounted:
*/
GLuint refcount;
GLuint depth0,
bool expect_accelerated_upload,
GLuint num_samples,
- enum intel_msaa_layout msaa_layout,
bool force_y_tiling);
+struct intel_mipmap_tree *
+intel_miptree_create_layout(struct intel_context *intel,
+ GLenum target,
+ gl_format format,
+ GLuint first_level,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0,
+ bool for_region,
+ GLuint num_samples);
+
struct intel_mipmap_tree *
intel_miptree_create_for_region(struct intel_context *intel,
GLenum target,
intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
int *width, int *height, int *depth);
+void
+intel_miptree_get_tile_offsets(struct intel_mipmap_tree *mt,
+ GLuint level, GLuint slice,
+ uint32_t *tile_x,
+ uint32_t *tile_y);
+
void intel_miptree_set_level_info(struct intel_mipmap_tree *mt,
GLuint level,
GLuint x, GLuint y,
void
intel_miptree_copy_teximage(struct intel_context *intel,
struct intel_texture_image *intelImage,
- struct intel_mipmap_tree *dst_mt);
+ struct intel_mipmap_tree *dst_mt, bool invalidate);
/**
* Copy the stencil data from \c mt->stencil_mt->region to \c mt->region for
bool
intel_miptree_alloc_hiz(struct intel_context *intel,
- struct intel_mipmap_tree *mt,
- GLuint num_samples);
+ struct intel_mipmap_tree *mt);
+
+bool
+intel_miptree_slice_has_hiz(struct intel_mipmap_tree *mt,
+ uint32_t level,
+ uint32_t layer);
void
intel_miptree_slice_set_needs_hiz_resolve(struct intel_mipmap_tree *mt,
void brw_miptree_layout(struct intel_context *intel,
struct intel_mipmap_tree *mt);
+void *intel_miptree_map_raw(struct intel_context *intel,
+ struct intel_mipmap_tree *mt);
+
+void intel_miptree_unmap_raw(struct intel_context *intel,
+ struct intel_mipmap_tree *mt);
+
void
intel_miptree_map(struct intel_context *intel,
struct intel_mipmap_tree *mt,
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