#ifndef ILO_RESOURCE_H
#define ILO_RESOURCE_H
+#include "intel_winsys.h"
+
#include "ilo_common.h"
+#include "ilo_screen.h"
+
+enum ilo_texture_flags {
+ /*
+ * Possible writers of a texture. There can be at most one writer at any
+ * time.
+ *
+ * Wine set in resolve flags (in ilo_blit_resolve_slices()), they indicate
+ * the new writer. When set in slice flags (ilo_texture_slice::flags),
+ * they indicate the writer since last resolve.
+ */
+ ILO_TEXTURE_RENDER_WRITE = 1 << 0,
+ ILO_TEXTURE_BLT_WRITE = 1 << 1,
+ ILO_TEXTURE_CPU_WRITE = 1 << 2,
+
+ /*
+ * Possible readers of a texture. There may be multiple readers at any
+ * time.
+ *
+ * When set in resolve flags, they indicate the new readers. They are
+ * never set in slice flags.
+ */
+ ILO_TEXTURE_RENDER_READ = 1 << 3,
+ ILO_TEXTURE_BLT_READ = 1 << 4,
+ ILO_TEXTURE_CPU_READ = 1 << 5,
+
+ /*
+ * Set when the texture is cleared.
+ *
+ * When set in resolve flags, the new writer will clear. When set in slice
+ * flags, the slice has been cleared.
+ */
+ ILO_TEXTURE_CLEAR = 1 << 6,
+
+ /*
+ * Set when HiZ can be enabled.
+ *
+ * It is never set in resolve flags. When set in slice flags, the slice
+ * can have HiZ enabled. It is to be noted that this bit is always set for
+ * either all or none of the slices in a level, allowing quick check in
+ * case of layered rendering.
+ */
+ ILO_TEXTURE_HIZ = 1 << 7,
+};
+
+struct ilo_buffer {
+ struct pipe_resource base;
+
+ struct intel_bo *bo;
+ unsigned bo_size;
+ unsigned bo_flags;
+};
+
+/**
+ * A 3D image slice, cube face, or array layer.
+ */
+struct ilo_texture_slice {
+ /* 2D offset to the slice */
+ unsigned x, y;
+ unsigned flags;
+};
+
+struct ilo_texture {
+ struct pipe_resource base;
+
+ bool imported;
+ unsigned bo_flags;
+
+ enum pipe_format bo_format;
+ struct intel_bo *bo;
+
+ /*
+ * These are the values passed to or returned from winsys for bo
+ * allocation. As such,
+ *
+ * - width and height are in blocks,
+ * - cpp is the block size in bytes, and
+ * - stride is the distance in bytes between two block rows.
+ */
+ int bo_width, bo_height, bo_cpp, bo_stride;
+ enum intel_tiling_mode tiling;
+
+ bool compressed;
+ unsigned block_width;
+ unsigned block_height;
+
+ /* true if the mip level alignments are stricter */
+ bool halign_8, valign_4;
+ /* true if space is reserved between layers */
+ bool array_spacing_full;
+ /* true if samples are interleaved */
+ bool interleaved;
+
+ struct ilo_texture_slice *slices[PIPE_MAX_TEXTURE_LEVELS];
-struct ilo_screen;
-struct ilo_context;
+ struct ilo_texture *separate_s8;
+
+ struct {
+ struct intel_bo *bo;
+ int bo_stride;
+ } hiz;
+};
+
+static inline struct ilo_buffer *
+ilo_buffer(struct pipe_resource *res)
+{
+ return (struct ilo_buffer *)
+ ((res && res->target == PIPE_BUFFER) ? res : NULL);
+}
+
+static inline struct ilo_texture *
+ilo_texture(struct pipe_resource *res)
+{
+ return (struct ilo_texture *)
+ ((res && res->target != PIPE_BUFFER) ? res : NULL);
+}
void
ilo_init_resource_functions(struct ilo_screen *is);
-void
-ilo_init_transfer_functions(struct ilo_context *ilo);
+bool
+ilo_buffer_alloc_bo(struct ilo_buffer *buf);
+
+bool
+ilo_texture_alloc_bo(struct ilo_texture *tex);
+
+static inline struct ilo_texture_slice *
+ilo_texture_get_slice(const struct ilo_texture *tex,
+ unsigned level, unsigned slice)
+{
+ assert(level <= tex->base.last_level);
+ assert(slice < ((tex->base.target == PIPE_TEXTURE_3D) ?
+ u_minify(tex->base.depth0, level) : tex->base.array_size));
+
+ return &tex->slices[level][slice];
+}
+
+unsigned
+ilo_texture_get_slice_offset(const struct ilo_texture *tex,
+ unsigned level, unsigned slice,
+ unsigned *x_offset, unsigned *y_offset);
+
+static inline void
+ilo_texture_set_slice_flags(struct ilo_texture *tex, unsigned level,
+ unsigned first_slice, unsigned num_slices,
+ unsigned mask, unsigned value)
+{
+ const struct ilo_texture_slice *last =
+ ilo_texture_get_slice(tex, level, first_slice + num_slices - 1);
+ struct ilo_texture_slice *slice =
+ ilo_texture_get_slice(tex, level, first_slice);
+
+ while (slice <= last) {
+ slice->flags = (slice->flags & ~mask) | (value & mask);
+ slice++;
+ }
+}
+
+static inline bool
+ilo_texture_can_enable_hiz(const struct ilo_texture *tex, unsigned level,
+ unsigned first_slice, unsigned num_slices)
+{
+ const struct ilo_screen *is = ilo_screen(tex->base.screen);
+ const struct ilo_texture_slice *slice =
+ ilo_texture_get_slice(tex, level, first_slice);
+
+ if (!tex->hiz.bo)
+ return false;
+
+ /* we can adjust 3DSTATE_DEPTH_BUFFER for the first slice */
+ if (level == 0 && first_slice == 0 && num_slices == 1)
+ return true;
+
+ /* HiZ is non-mipmapped and non-array on GEN6 */
+ assert(is->dev.gen > ILO_GEN(6));
+
+ /*
+ * Either all or none of the slices in the same level have ILO_TEXTURE_HIZ
+ * set. It suffices to check only the first slice.
+ */
+ return (slice->flags & ILO_TEXTURE_HIZ);
+}
#endif /* ILO_RESOURCE_H */
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