/**************************************************************************
*
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2006 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 INTEL_MIPMAP_TREE_H
#define INTEL_MIPMAP_TREE_H
+#include <assert.h>
+
+#include "intel_screen.h"
#include "intel_regions.h"
+#include "GL/internal/dri_interface.h"
/* A layer on top of the intel_regions code which adds:
*
* temporary system buffers.
*/
+struct intel_texture_image;
+
+struct intel_miptree_map {
+ /** Bitfield of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT, GL_MAP_INVALIDATE_BIT */
+ GLbitfield mode;
+ /** Region of interest for the map. */
+ int x, y, w, h;
+ /** Possibly malloced temporary buffer for the mapping. */
+ void *buffer;
+ /** Possible pointer to a temporary linear miptree for the mapping. */
+ struct intel_mipmap_tree *mt;
+ /** Pointer to the start of (map_x, map_y) returned by the mapping. */
+ void *ptr;
+ /** Stride of the mapping. */
+ int stride;
+};
/**
* Describes the location of each texture image within a texture region.
*/
struct intel_mipmap_level
{
- GLuint level_offset;
+ /** Offset to this miptree level, used in computing x_offset. */
+ GLuint level_x;
+ /** Offset to this miptree level, used in computing y_offset. */
+ GLuint level_y;
GLuint width;
GLuint height;
+
+ /**
+ * \brief Number of 2D slices in this miplevel.
+ *
+ * The exact semantics of depth varies according to the texture target:
+ * - For GL_TEXTURE_CUBE_MAP, depth is 6.
+ * - For GL_TEXTURE_3D, it is the texture's depth at this miplevel. Its
+ * value, like width and height, varies with miplevel.
+ * - For other texture types, depth is 1.
+ */
GLuint depth;
- GLuint nr_images;
- /* Explicitly store the offset of each image for each cube face or
- * depth value. Pretty much have to accept that hardware formats
- * are going to be so diverse that there is no unified way to
- * compute the offsets of depth/cube images within a mipmap level,
- * so have to store them as a lookup table:
+ /**
+ * \brief List of 2D images in this mipmap level.
+ *
+ * This may be a list of cube faces, array slices in 2D array texture, or
+ * layers in a 3D texture. The list's length is \c depth.
*/
- GLuint *image_offset;
+ struct intel_mipmap_slice {
+ /**
+ * \name Offset to slice
+ * \{
+ *
+ * Hardware formats are so diverse that that there is no unified way to
+ * compute the slice offsets, so we store them in this table.
+ *
+ * The (x, y) offset to slice \c s at level \c l relative the miptrees
+ * base address is
+ * \code
+ * x = mt->level[l].slice[s].x_offset
+ * y = mt->level[l].slice[s].y_offset
+ */
+ GLuint x_offset;
+ GLuint y_offset;
+ /** \} */
+
+ /**
+ * Mapping information. Persistent for the duration of
+ * intel_miptree_map/unmap on this slice.
+ */
+ struct intel_miptree_map *map;
+ } *slice;
};
+
struct intel_mipmap_tree
{
/* Effectively the key:
*/
GLenum target;
- GLenum internal_format;
+
+ /**
+ * This is just the same as the gl_texture_image->TexFormat or
+ * gl_renderbuffer->Format.
+ */
+ mesa_format format;
+
+ /**
+ * The X offset of each image in the miptree must be aligned to this. See
+ * the "Alignment Unit Size" section of the BSpec.
+ */
+ unsigned int align_w;
+ unsigned int align_h; /**< \see align_w */
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 factor of 6 in depth that must be allocated in order to
+ * accommodate cubemap textures.
+ */
+ GLuint physical_width0, physical_height0, physical_depth0;
+
GLuint cpp;
- GLboolean compressed;
+ bool compressed;
/* Derived from the above:
*/
- GLuint pitch;
- GLuint depth_pitch; /* per-image on i945? */
+ GLuint total_width;
GLuint total_height;
/* Includes image offset tables:
*/
struct intel_region *region;
+ /* Offset into region bo where miptree starts:
+ */
+ uint32_t offset;
+
/* These are also refcounted:
*/
GLuint refcount;
};
-
+enum intel_miptree_tiling_mode {
+ INTEL_MIPTREE_TILING_ANY,
+ INTEL_MIPTREE_TILING_Y,
+ INTEL_MIPTREE_TILING_NONE,
+};
struct intel_mipmap_tree *intel_miptree_create(struct intel_context *intel,
GLenum target,
- GLenum internal_format,
+ mesa_format format,
GLuint first_level,
GLuint last_level,
GLuint width0,
GLuint height0,
GLuint depth0,
- GLuint cpp,
- GLuint compress_byte);
+ bool expect_accelerated_upload,
+ enum intel_miptree_tiling_mode);
+
+struct intel_mipmap_tree *
+intel_miptree_create_layout(struct intel_context *intel,
+ GLenum target,
+ mesa_format format,
+ GLuint first_level,
+ GLuint last_level,
+ GLuint width0,
+ GLuint height0,
+ GLuint depth0);
+
+struct intel_mipmap_tree *
+intel_miptree_create_for_bo(struct intel_context *intel,
+ drm_intel_bo *bo,
+ mesa_format format,
+ uint32_t offset,
+ uint32_t width,
+ uint32_t height,
+ int pitch,
+ uint32_t tiling);
+
+struct intel_mipmap_tree*
+intel_miptree_create_for_dri2_buffer(struct intel_context *intel,
+ unsigned dri_attachment,
+ mesa_format format,
+ struct intel_region *region);
+
+struct intel_mipmap_tree*
+intel_miptree_create_for_image_buffer(struct intel_context *intel,
+ enum __DRIimageBufferMask buffer_type,
+ mesa_format format,
+ uint32_t num_samples,
+ struct intel_region *region);
+
+/**
+ * Create a miptree appropriate as the storage for a non-texture renderbuffer.
+ * The miptree has the following properties:
+ * - The target is GL_TEXTURE_2D.
+ * - There are no levels other than the base level 0.
+ * - Depth is 1.
+ */
+struct intel_mipmap_tree*
+intel_miptree_create_for_renderbuffer(struct intel_context *intel,
+ mesa_format format,
+ uint32_t width,
+ uint32_t height);
+
+/** \brief Assert that the level and layer are valid for the miptree. */
+static inline void
+intel_miptree_check_level_layer(struct intel_mipmap_tree *mt,
+ uint32_t level,
+ uint32_t layer)
+{
+ (void) mt;
+ (void) level;
+ (void) layer;
+
+ assert(level >= mt->first_level);
+ assert(level <= mt->last_level);
+ assert(layer < mt->level[level].depth);
+}
+
+int intel_miptree_pitch_align (struct intel_context *intel,
+ struct intel_mipmap_tree *mt,
+ uint32_t tiling,
+ int pitch);
void intel_miptree_reference(struct intel_mipmap_tree **dst,
struct intel_mipmap_tree *src);
-void intel_miptree_release(struct intel_context *intel,
- struct intel_mipmap_tree **mt);
+void intel_miptree_release(struct intel_mipmap_tree **mt);
/* Check if an image fits an existing mipmap tree layout
*/
-GLboolean intel_miptree_match_image(struct intel_mipmap_tree *mt,
- struct gl_texture_image *image,
- GLuint face, GLuint level);
+bool intel_miptree_match_image(struct intel_mipmap_tree *mt,
+ struct gl_texture_image *image);
-/* Return a pointer to an image within a tree. Return image stride as
- * well.
- */
-GLubyte *intel_miptree_image_map(struct intel_context *intel,
- struct intel_mipmap_tree *mt,
- GLuint face,
- GLuint level,
- GLuint * row_stride, GLuint * image_stride);
+void
+intel_miptree_get_image_offset(struct intel_mipmap_tree *mt,
+ GLuint level, GLuint slice,
+ GLuint *x, GLuint *y);
-void intel_miptree_image_unmap(struct intel_context *intel,
- struct intel_mipmap_tree *mt);
-
-
-/* Return the linear offset of an image relative to the start of the
- * tree:
- */
-GLuint intel_miptree_image_offset(struct intel_mipmap_tree *mt,
- GLuint face, GLuint level);
-
-/* Return pointers to each 2d slice within an image. Indexed by depth
- * value.
- */
-const GLuint *intel_miptree_depth_offsets(struct intel_mipmap_tree *mt,
- GLuint level);
+void
+intel_miptree_get_dimensions_for_image(struct gl_texture_image *image,
+ int *width, int *height, int *depth);
+uint32_t
+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 nr_images,
GLuint x, GLuint y,
GLuint w, GLuint h, GLuint d);
GLuint level,
GLuint img, GLuint x, GLuint y);
+void
+intel_miptree_copy_teximage(struct intel_context *intel,
+ struct intel_texture_image *intelImage,
+ struct intel_mipmap_tree *dst_mt, bool invalidate);
-/* Upload an image into a tree
- */
-void intel_miptree_image_data(struct intel_context *intel,
- struct intel_mipmap_tree *dst,
- GLuint face,
- GLuint level,
- void *src,
- GLuint src_row_pitch, GLuint src_image_pitch);
-
-/* Copy an image between two trees
- */
-void intel_miptree_image_copy(struct intel_context *intel,
- struct intel_mipmap_tree *dst,
- GLuint face, GLuint level,
- struct intel_mipmap_tree *src);
+/**\}*/
/* i915_mipmap_tree.c:
*/
-GLboolean i915_miptree_layout(struct intel_mipmap_tree *mt);
-GLboolean i945_miptree_layout(struct intel_mipmap_tree *mt);
-
+void i915_miptree_layout(struct intel_mipmap_tree *mt);
+void i945_miptree_layout(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_mipmap_tree *mt);
+
+void
+intel_miptree_map(struct intel_context *intel,
+ struct intel_mipmap_tree *mt,
+ unsigned int level,
+ unsigned int slice,
+ unsigned int x,
+ unsigned int y,
+ unsigned int w,
+ unsigned int h,
+ GLbitfield mode,
+ void **out_ptr,
+ int *out_stride);
+
+void
+intel_miptree_unmap(struct intel_context *intel,
+ struct intel_mipmap_tree *mt,
+ unsigned int level,
+ unsigned int slice);
#endif
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