}
+static struct pipe_transfer*
+i915_get_tex_transfer(struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ unsigned face, unsigned level, unsigned zslice,
+ enum pipe_transfer_usage usage, unsigned x, unsigned y,
+ unsigned w, unsigned h)
+{
+ struct i915_texture *tex = (struct i915_texture *)texture;
+ struct i915_transfer *trans;
+ unsigned offset; /* in bytes */
+
+ if (texture->target == PIPE_TEXTURE_CUBE) {
+ offset = tex->image_offset[level][face];
+ }
+ else if (texture->target == PIPE_TEXTURE_3D) {
+ offset = tex->image_offset[level][zslice];
+ }
+ else {
+ offset = tex->image_offset[level][0];
+ assert(face == 0);
+ assert(zslice == 0);
+ }
+
+ trans = CALLOC_STRUCT(i915_transfer);
+ if (trans) {
+ trans->base.refcount = 1;
+ pipe_texture_reference(&trans->base.texture, texture);
+ trans->base.format = trans->base.format;
+ trans->base.width = w;
+ trans->base.height = h;
+ trans->base.block = texture->block;
+ trans->base.nblocksx = texture->nblocksx[level];
+ trans->base.nblocksy = texture->nblocksy[level];
+ trans->base.stride = tex->stride;
+ trans->offset = offset;
+ trans->base.usage = usage;
+ }
+ return &trans->base;
+}
+
+static void
+i915_tex_transfer_release(struct pipe_screen *screen,
+ struct pipe_transfer **transfer)
+{
+ struct pipe_transfer *trans = *transfer;
+
+ if (--trans->refcount == 0) {
+ pipe_texture_reference(&trans->texture, NULL);
+ FREE(trans);
+ }
+
+ *transfer = NULL;
+}
+
static void *
-i915_surface_map( struct pipe_screen *screen,
- struct pipe_surface *surface,
- unsigned flags )
+i915_transfer_map( struct pipe_screen *screen,
+ struct pipe_transfer *transfer )
{
- struct i915_texture *tex = (struct i915_texture *)surface->texture;
- char *map = pipe_buffer_map( screen, tex->buffer, flags );
+ struct i915_texture *tex = (struct i915_texture *)transfer->texture;
+ char *map;
+ unsigned flags = 0;
+
+ if (transfer->usage != PIPE_TRANSFER_WRITE)
+ flags |= PIPE_BUFFER_USAGE_CPU_READ;
+
+ if (transfer->usage != PIPE_TRANSFER_READ)
+ flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
+
+ map = pipe_buffer_map( screen, tex->buffer, flags );
if (map == NULL)
return NULL;
- if (surface->texture &&
+ if (transfer->texture &&
(flags & PIPE_BUFFER_USAGE_CPU_WRITE))
{
/* Do something to notify contexts of a texture change.
/* i915_screen(screen)->timestamp++; */
}
- return map + surface->offset;
+ return map + i915_transfer(transfer)->offset +
+ transfer->y / transfer->block.height * transfer->stride +
+ transfer->x / transfer->block.width * transfer->block.size;
}
static void
-i915_surface_unmap(struct pipe_screen *screen,
- struct pipe_surface *surface)
+i915_transfer_unmap(struct pipe_screen *screen,
+ struct pipe_transfer *transfer)
{
- struct i915_texture *tex = (struct i915_texture *)surface->texture;
+ struct i915_texture *tex = (struct i915_texture *)transfer->texture;
pipe_buffer_unmap( screen, tex->buffer );
}
i915screen->screen.get_param = i915_get_param;
i915screen->screen.get_paramf = i915_get_paramf;
i915screen->screen.is_format_supported = i915_is_format_supported;
- i915screen->screen.surface_map = i915_surface_map;
- i915screen->screen.surface_unmap = i915_surface_unmap;
+ i915screen->screen.get_tex_transfer = i915_get_tex_transfer;
+ i915screen->screen.tex_transfer_release = i915_tex_transfer_release;
+ i915screen->screen.transfer_map = i915_transfer_map;
+ i915screen->screen.transfer_unmap = i915_transfer_unmap;
i915_init_screen_texture_functions(&i915screen->screen);
u_simple_screen_init(&i915screen->screen);
};
-/** cast wrapper */
+/**
+ * Subclass of pipe_transfer
+ */
+struct i915_transfer
+{
+ struct pipe_transfer base;
+
+ unsigned offset;
+};
+
+
+/** cast wrappers */
static INLINE struct i915_screen *
i915_screen(struct pipe_screen *pscreen)
{
return (struct i915_screen *) pscreen;
}
+static INLINE struct i915_transfer *
+i915_transfer( struct pipe_transfer *transfer )
+{
+ return (struct i915_transfer *)transfer;
+}
+
extern struct pipe_screen *
i915_create_screen(struct pipe_winsys *winsys, uint pci_id);
struct pipe_surface *depth_surface = i915->framebuffer.zsbuf;
if (cbuf_surface) {
- unsigned cpitch = cbuf_surface->stride;
unsigned ctile = BUF_3D_USE_FENCE;
struct i915_texture *tex = (struct i915_texture *)
cbuf_surface->texture;
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(BUF_3D_ID_COLOR_BACK |
- BUF_3D_PITCH(cpitch) | /* pitch in bytes */
+ BUF_3D_PITCH(tex->stride) | /* pitch in bytes */
ctile);
OUT_RELOC(tex->buffer,
/* What happens if no zbuf??
*/
if (depth_surface) {
- unsigned zpitch = depth_surface->stride;
unsigned ztile = BUF_3D_USE_FENCE;
struct i915_texture *tex = (struct i915_texture *)
depth_surface->texture;
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(BUF_3D_ID_DEPTH |
- BUF_3D_PITCH(zpitch) | /* pitch in bytes */
+ BUF_3D_PITCH(tex->stride) | /* pitch in bytes */
ztile);
OUT_RELOC(tex->buffer,
struct pipe_surface *src,
unsigned srcx, unsigned srcy, unsigned width, unsigned height)
{
- assert( dst != src );
- assert( dst->block.size == src->block.size );
- assert( dst->block.width == src->block.height );
- assert( dst->block.height == src->block.height );
+ struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
+ struct i915_texture *src_tex = (struct i915_texture *)src->texture;
- if (0) {
- void *dst_map = pipe->screen->surface_map( pipe->screen,
- dst,
- PIPE_BUFFER_USAGE_CPU_WRITE );
-
- const void *src_map = pipe->screen->surface_map( pipe->screen,
- src,
- PIPE_BUFFER_USAGE_CPU_READ );
-
- pipe_copy_rect(dst_map,
- &dst->block,
- dst->stride,
- dstx, dsty,
- width, height,
- src_map,
- do_flip ? -(int) src->stride : src->stride,
- srcx, do_flip ? height - 1 - srcy : srcy);
+ assert( dst != src );
+ assert( dst_tex->base.block.size == src_tex->base.block.size );
+ assert( dst_tex->base.block.width == src_tex->base.block.height );
+ assert( dst_tex->base.block.height == src_tex->base.block.height );
+ assert( dst_tex->base.block.width == 1 );
+ assert( dst_tex->base.block.height == 1 );
- pipe->screen->surface_unmap(pipe->screen, src);
- pipe->screen->surface_unmap(pipe->screen, dst);
- }
- else {
- struct i915_texture *dst_tex = (struct i915_texture *)dst->texture;
- struct i915_texture *src_tex = (struct i915_texture *)src->texture;
- assert(dst->block.width == 1);
- assert(dst->block.height == 1);
- i915_copy_blit( i915_context(pipe),
- do_flip,
- dst->block.size,
- (unsigned short) src->stride, src_tex->buffer, src->offset,
- (unsigned short) dst->stride, dst_tex->buffer, dst->offset,
- (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
- }
+ i915_copy_blit( i915_context(pipe),
+ do_flip,
+ dst_tex->base.block.size,
+ (unsigned short) src_tex->stride, src_tex->buffer, src->offset,
+ (unsigned short) dst_tex->stride, dst_tex->buffer, dst->offset,
+ (short) srcx, (short) srcy, (short) dstx, (short) dsty, (short) width, (short) height );
}
unsigned dstx, unsigned dsty,
unsigned width, unsigned height, unsigned value)
{
- if (0) {
- void *dst_map = pipe->screen->surface_map( pipe->screen,
- dst,
- PIPE_BUFFER_USAGE_CPU_WRITE );
+ struct i915_texture *tex = (struct i915_texture *)dst->texture;
- pipe_fill_rect(dst_map, &dst->block, dst->stride, dstx, dsty, width, height, value);
+ assert(tex->base.block.width == 1);
+ assert(tex->base.block.height == 1);
- pipe->screen->surface_unmap(pipe->screen, dst);
- }
- else {
- struct i915_texture *tex = (struct i915_texture *)dst->texture;
- assert(dst->block.width == 1);
- assert(dst->block.height == 1);
- i915_fill_blit( i915_context(pipe),
- dst->block.size,
- (unsigned short) dst->stride,
- tex->buffer, dst->offset,
- (short) dstx, (short) dsty,
- (short) width, (short) height,
- value );
- }
+ i915_fill_blit( i915_context(pipe),
+ tex->base.block.size,
+ (unsigned short) tex->stride,
+ tex->buffer, dst->offset,
+ (short) dstx, (short) dsty,
+ (short) width, (short) height,
+ value );
}
ps->format = pt->format;
ps->width = pt->width[level];
ps->height = pt->height[level];
- ps->block = pt->block;
- ps->nblocksx = pt->nblocksx[level];
- ps->nblocksy = pt->nblocksy[level];
- ps->stride = tex->stride;
ps->offset = offset;
ps->usage = flags;
ps->status = PIPE_SURFACE_STATUS_DEFINED;
projects / mesa.git / commitdiff