/**************************************************************************
- *
- * 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
* 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 INTEL_MIPMAP_TREE_H
#include "intel_regions.h"
#include "intel_resolve_map.h"
+#include <GL/internal/dri_interface.h>
#ifdef __cplusplus
extern "C" {
*
* - Code to size and layout a region to hold a set of mipmaps.
* - Query to determine if a new image fits in an existing tree.
- * - More refcounting
+ * - More refcounting
* - maybe able to remove refcounting from intel_region?
* - ?
*
* the texture object would slot into the tree as they arrive. The
* reality can be a little messier, as images can arrive from the user
* with sizes that don't fit in the existing tree, or in an order
- * where the tree layout cannot be guessed immediately.
- *
+ * where the tree layout cannot be guessed immediately.
+ *
* This structure encodes an idealized mipmap tree. The GL image
* commands build these where possible, otherwise store the images in
* temporary system buffers.
};
-#ifndef I915
/**
- * Enum for keeping track of the state of an MCS buffer associated with a
- * miptree. This determines when fast clear related operations are needed.
+ * Enum for keeping track of the fast clear state of a buffer associated with
+ * a miptree.
*
* Fast clear works by deferring the memory writes that would be used to clear
* the buffer, so that instead of performing them at the time of the clear
* buffer is later accessed for rendering. The MCS buffer keeps track of
* which regions of the buffer still have pending clear writes.
*
- * This enum keeps track of the driver's knowledge of the state of the MCS
- * buffer.
+ * This enum keeps track of the driver's knowledge of pending fast clears in
+ * the MCS buffer.
*
* MCS buffers only exist on Gen7+.
*/
-enum intel_mcs_state
+enum intel_fast_clear_state
{
/**
* There is no MCS buffer for this miptree, and one should never be
* allocated.
*/
- INTEL_MCS_STATE_NONE,
-
- /**
- * An MCS buffer exists for this miptree, and it is used for MSAA purposes.
- */
- INTEL_MCS_STATE_MSAA,
+ INTEL_FAST_CLEAR_STATE_NO_MCS,
/**
* No deferred clears are pending for this miptree, and the contents of the
*
* In this state, the color buffer can be used for purposes other than
* rendering without needing a render target resolve.
+ *
+ * Since there is no such thing as a "fast color clear resolve" for MSAA
+ * buffers, an MSAA buffer will never be in this state.
*/
- INTEL_MCS_STATE_RESOLVED,
+ INTEL_FAST_CLEAR_STATE_RESOLVED,
/**
* An MCS buffer exists for this miptree, and deferred clears are pending
* The contents of the color buffer are only correct for the regions where
* the MCS buffer doesn't indicate a deferred clear.
*
- * In this state, a render target resolve must be performed before the
- * color buffer can be used for purposes other than rendering.
+ * If a single-sample buffer is in this state, a render target resolve must
+ * be performed before it can be used for purposes other than rendering.
*/
- INTEL_MCS_STATE_UNRESOLVED,
+ INTEL_FAST_CLEAR_STATE_UNRESOLVED,
/**
* An MCS buffer exists for this miptree, and deferred clears are pending
* for the entire color buffer, and the contents of the MCS buffer reflect
* this. The contents of the color buffer are undefined.
*
- * In this state, a render target resolve must be performed before the
- * color buffer can be used for purposes other than rendering.
+ * If a single-sample buffer is in this state, a render target resolve must
+ * be performed before it can be used for purposes other than rendering.
*
* If the client attempts to clear a buffer which is already in this state,
* the clear can be safely skipped, since the buffer is already clear.
*/
- INTEL_MCS_STATE_CLEAR,
+ INTEL_FAST_CLEAR_STATE_CLEAR,
};
-#endif
struct intel_mipmap_tree
{
gl_format etc_format;
/**
- * The X offset of each image in the miptree must be aligned to this. See
- * the "Alignment Unit Size" section of the BSpec.
+ * The X offset of each image in the miptree must be aligned to this.
+ * See the comments in brw_tex_layout.c.
*/
unsigned int align_w;
unsigned int align_h; /**< \see align_w */
*/
bool array_spacing_lod0;
+ /**
+ * The distance in rows between array slices.
+ */
+ uint32_t qpitch;
+
/**
* MSAA layout used by this buffer.
*/
*/
struct intel_mipmap_tree *stencil_mt;
-#ifndef I915
/**
* \brief MCS miptree.
*
struct intel_mipmap_tree *mcs_mt;
/**
- * MCS state for this buffer.
+ * Fast clear state for this buffer.
*/
- enum intel_mcs_state mcs_state;
-#endif
+ enum intel_fast_clear_state fast_clear_state;
/**
* The SURFACE_STATE bits associated with the last fast color clear to this
};
bool
-intel_is_non_msrt_mcs_buffer_supported(struct intel_context *intel,
+intel_is_non_msrt_mcs_buffer_supported(struct brw_context *brw,
struct intel_mipmap_tree *mt);
void
-intel_get_non_msrt_mcs_alignment(struct intel_context *intel,
+intel_get_non_msrt_mcs_alignment(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned *width_px, unsigned *height);
bool
-intel_miptree_alloc_non_msrt_mcs(struct intel_context *intel,
+intel_miptree_alloc_non_msrt_mcs(struct brw_context *brw,
struct intel_mipmap_tree *mt);
-struct intel_mipmap_tree *intel_miptree_create(struct intel_context *intel,
+struct intel_mipmap_tree *intel_miptree_create(struct brw_context *brw,
GLenum target,
gl_format format,
GLuint first_level,
enum intel_miptree_tiling_mode);
struct intel_mipmap_tree *
-intel_miptree_create_layout(struct intel_context *intel,
+intel_miptree_create_layout(struct brw_context *brw,
GLenum target,
gl_format format,
GLuint first_level,
GLuint num_samples);
struct intel_mipmap_tree *
-intel_miptree_create_for_bo(struct intel_context *intel,
+intel_miptree_create_for_bo(struct brw_context *brw,
drm_intel_bo *bo,
gl_format format,
uint32_t offset,
uint32_t tiling);
struct intel_mipmap_tree*
-intel_miptree_create_for_dri2_buffer(struct intel_context *intel,
+intel_miptree_create_for_dri2_buffer(struct brw_context *brw,
unsigned dri_attachment,
gl_format format,
uint32_t num_samples,
struct intel_region *region);
+struct intel_mipmap_tree*
+intel_miptree_create_for_image_buffer(struct brw_context *intel,
+ enum __DRIimageBufferMask buffer_type,
+ gl_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:
* - Depth is 1.
*/
struct intel_mipmap_tree*
-intel_miptree_create_for_renderbuffer(struct intel_context *intel,
+intel_miptree_create_for_renderbuffer(struct brw_context *brw,
gl_format format,
uint32_t width,
uint32_t height,
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);
GLuint img, GLuint x, GLuint y);
void
-intel_miptree_copy_teximage(struct intel_context *intel,
+intel_miptree_copy_teximage(struct brw_context *brw,
struct intel_texture_image *intelImage,
struct intel_mipmap_tree *dst_mt, bool invalidate);
-/**
- * Copy the stencil data from \c mt->stencil_mt->region to \c mt->region for
- * the given miptree slice.
- *
- * \see intel_mipmap_tree::stencil_mt
- */
-void
-intel_miptree_s8z24_scatter(struct intel_context *intel,
- struct intel_mipmap_tree *mt,
- uint32_t level,
- uint32_t slice);
-
-/**
- * Copy the stencil data in \c mt->stencil_mt->region to \c mt->region for the
- * given miptree slice.
- *
- * \see intel_mipmap_tree::stencil_mt
- */
-void
-intel_miptree_s8z24_gather(struct intel_context *intel,
- struct intel_mipmap_tree *mt,
- uint32_t level,
- uint32_t layer);
-
bool
-intel_miptree_alloc_mcs(struct intel_context *intel,
+intel_miptree_alloc_mcs(struct brw_context *brw,
struct intel_mipmap_tree *mt,
GLuint num_samples);
*/
bool
-intel_miptree_alloc_hiz(struct intel_context *intel,
+intel_miptree_alloc_hiz(struct brw_context *brw,
struct intel_mipmap_tree *mt);
bool
uint32_t level,
uint32_t depth);
+void
+intel_miptree_set_all_slices_need_depth_resolve(struct intel_mipmap_tree *mt,
+ uint32_t level);
+
/**
* \return false if no resolve was needed
*/
bool
-intel_miptree_slice_resolve_hiz(struct intel_context *intel,
+intel_miptree_slice_resolve_hiz(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned int level,
unsigned int depth);
* \return false if no resolve was needed
*/
bool
-intel_miptree_slice_resolve_depth(struct intel_context *intel,
+intel_miptree_slice_resolve_depth(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned int level,
unsigned int depth);
* \return false if no resolve was needed
*/
bool
-intel_miptree_all_slices_resolve_hiz(struct intel_context *intel,
+intel_miptree_all_slices_resolve_hiz(struct brw_context *brw,
struct intel_mipmap_tree *mt);
/**
* \return false if no resolve was needed
*/
bool
-intel_miptree_all_slices_resolve_depth(struct intel_context *intel,
+intel_miptree_all_slices_resolve_depth(struct brw_context *brw,
struct intel_mipmap_tree *mt);
/**\}*/
static inline void
intel_miptree_used_for_rendering(struct intel_mipmap_tree *mt)
{
-#ifdef I915
- /* Nothing needs to be done for I915, since it doesn't support fast
- * clear.
- */
-#else
/* If the buffer was previously in fast clear state, change it to
* unresolved state, since it won't be guaranteed to be clear after
* rendering occurs.
*/
- if (mt->mcs_state == INTEL_MCS_STATE_CLEAR)
- mt->mcs_state = INTEL_MCS_STATE_UNRESOLVED;
-#endif
+ if (mt->fast_clear_state == INTEL_FAST_CLEAR_STATE_CLEAR)
+ mt->fast_clear_state = INTEL_FAST_CLEAR_STATE_UNRESOLVED;
}
void
-intel_miptree_resolve_color(struct intel_context *intel,
+intel_miptree_resolve_color(struct brw_context *brw,
struct intel_mipmap_tree *mt);
void
-intel_miptree_make_shareable(struct intel_context *intel,
+intel_miptree_make_shareable(struct brw_context *brw,
struct intel_mipmap_tree *mt);
void
-intel_miptree_downsample(struct intel_context *intel,
+intel_miptree_downsample(struct brw_context *brw,
struct intel_mipmap_tree *mt);
void
-intel_miptree_upsample(struct intel_context *intel,
+intel_miptree_upsample(struct brw_context *brw,
struct intel_mipmap_tree *mt);
-/* i915_mipmap_tree.c:
- */
-void i915_miptree_layout(struct intel_mipmap_tree *mt);
-void i945_miptree_layout(struct intel_mipmap_tree *mt);
-void brw_miptree_layout(struct intel_context *intel,
- struct intel_mipmap_tree *mt);
+void brw_miptree_layout(struct brw_context *brw, struct intel_mipmap_tree *mt);
-void *intel_miptree_map_raw(struct intel_context *intel,
+void *intel_miptree_map_raw(struct brw_context *brw,
struct intel_mipmap_tree *mt);
-void intel_miptree_unmap_raw(struct intel_context *intel,
+void intel_miptree_unmap_raw(struct brw_context *brw,
struct intel_mipmap_tree *mt);
void
-intel_miptree_map(struct intel_context *intel,
+intel_miptree_map(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned int level,
unsigned int slice,
int *out_stride);
void
-intel_miptree_unmap(struct intel_context *intel,
+intel_miptree_unmap(struct brw_context *brw,
struct intel_mipmap_tree *mt,
unsigned int level,
unsigned int slice);
-#ifdef I915
-static inline void
-intel_hiz_exec(struct intel_context *intel, struct intel_mipmap_tree *mt,
- unsigned int level, unsigned int layer, enum gen6_hiz_op op)
-{
- /* Stub on i915. It would be nice if we didn't execute resolve code at all
- * there.
- */
-}
-#else
void
-intel_hiz_exec(struct intel_context *intel, struct intel_mipmap_tree *mt,
+intel_hiz_exec(struct brw_context *brw, struct intel_mipmap_tree *mt,
unsigned int level, unsigned int layer, enum gen6_hiz_op op);
-#endif
#ifdef __cplusplus
}