Mesa (gallium-winsys-handle): i965g: Finish the conversion to winsys handle
Jakob Bornecrantz
wallbraker at kemper.freedesktop.org
Thu Feb 18 11:09:51 UTC 2010
Module: Mesa
Branch: gallium-winsys-handle
Commit: ba274fc6f8041ba5323cd8c9c2e098bf9597fc0c
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=ba274fc6f8041ba5323cd8c9c2e098bf9597fc0c
Author: Jakob Bornecrantz <jakob at vmware.com>
Date: Thu Feb 18 02:01:24 2010 +0000
i965g: Finish the conversion to winsys handle
---
src/gallium/drivers/i965/brw_screen_texture.c | 228 +++++++++++----------
src/gallium/drivers/i965/brw_winsys.h | 10 +
src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c | 18 +-
3 files changed, 136 insertions(+), 120 deletions(-)
diff --git a/src/gallium/drivers/i965/brw_screen_texture.c b/src/gallium/drivers/i965/brw_screen_texture.c
index f5f12dd..0df8bc5 100644
--- a/src/gallium/drivers/i965/brw_screen_texture.c
+++ b/src/gallium/drivers/i965/brw_screen_texture.c
@@ -300,6 +300,119 @@ fail:
return NULL;
}
+static struct pipe_texture *
+brw_texture_from_handle(struct pipe_screen *screen,
+ const struct pipe_texture *templ,
+ struct winsys_handle *whandle)
+{
+ struct brw_screen *bscreen = brw_screen(screen);
+ struct brw_texture *tex;
+ struct brw_winsys_buffer *buffer;
+ unsigned tiling;
+ unsigned pitch;
+
+ if (templ->target != PIPE_TEXTURE_2D ||
+ templ->last_level != 0 ||
+ templ->depth0 != 1)
+ return NULL;
+
+ if (util_format_is_compressed(templ->format))
+ return NULL;
+
+ tex = CALLOC_STRUCT(brw_texture);
+ if (!tex)
+ return NULL;
+
+ if (bscreen->sws->bo_from_handle(bscreen->sws, whandle, &pitch, &tiling, &buffer) != PIPE_OK)
+ goto fail;
+
+ memcpy(&tex->base, templ, sizeof *templ);
+ pipe_reference_init(&tex->base.reference, 1);
+ tex->base.screen = screen;
+
+ /* XXX: cpp vs. blocksize
+ */
+ tex->cpp = util_format_get_blocksize(tex->base.format);
+ tex->tiling = tiling;
+
+ make_empty_list(&tex->views[0]);
+ make_empty_list(&tex->views[1]);
+
+ if (!brw_texture_layout(bscreen, tex))
+ goto fail;
+
+ /* XXX Maybe some more checks? */
+ if ((pitch / tex->cpp) < tex->pitch)
+ goto fail;
+
+ tex->pitch = pitch / tex->cpp;
+
+ tex->bo = buffer;
+
+ /* fix this warning */
+#if 0
+ if (tex->size > buffer->size)
+ goto fail;
+#endif
+
+ tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
+ tex->ss.ss0.surface_type = translate_tex_target(tex->base.target);
+ tex->ss.ss0.surface_format = translate_tex_format(tex->base.format);
+ assert(tex->ss.ss0.surface_format != BRW_SURFACEFORMAT_INVALID);
+
+ /* This is ok for all textures with channel width 8bit or less:
+ */
+/* tex->ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
+
+
+ /* XXX: what happens when tex->bo->offset changes???
+ */
+ tex->ss.ss1.base_addr = 0; /* reloc */
+ tex->ss.ss2.mip_count = tex->base.last_level;
+ tex->ss.ss2.width = tex->base.width0 - 1;
+ tex->ss.ss2.height = tex->base.height0 - 1;
+
+ switch (tex->tiling) {
+ case BRW_TILING_NONE:
+ tex->ss.ss3.tiled_surface = 0;
+ tex->ss.ss3.tile_walk = 0;
+ break;
+ case BRW_TILING_X:
+ tex->ss.ss3.tiled_surface = 1;
+ tex->ss.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
+ break;
+ case BRW_TILING_Y:
+ tex->ss.ss3.tiled_surface = 1;
+ tex->ss.ss3.tile_walk = BRW_TILEWALK_YMAJOR;
+ break;
+ }
+
+ tex->ss.ss3.pitch = (tex->pitch * tex->cpp) - 1;
+ tex->ss.ss3.depth = tex->base.depth0 - 1;
+
+ tex->ss.ss4.min_lod = 0;
+
+ return &tex->base;
+
+fail:
+ FREE(tex);
+ return NULL;
+}
+
+static boolean
+brw_texture_get_handle(struct pipe_screen *screen,
+ struct pipe_texture *texture,
+ struct winsys_handle *whandle)
+{
+ struct brw_screen *bscreen = brw_screen(screen);
+ struct brw_texture *tex = brw_texture(texture);
+ unsigned stride;
+
+ stride = tex->pitch * tex->cpp;
+
+ return bscreen->sws->bo_get_handle(tex->bo, whandle, stride);
+}
+
static struct pipe_texture *brw_texture_blanket(struct pipe_screen *screen,
const struct pipe_texture *templ,
const unsigned *stride,
@@ -447,123 +560,12 @@ brw_tex_transfer_destroy(struct pipe_transfer *trans)
FREE(trans);
}
-
-/*
- * Functions exported to the winsys
- */
-
-boolean brw_texture_get_winsys_buffer(struct pipe_texture *texture,
- struct brw_winsys_buffer **buffer,
- unsigned *stride)
-{
- struct brw_texture *tex = brw_texture(texture);
-
- *buffer = tex->bo;
- if (stride)
- *stride = tex->pitch * tex->cpp;
-
- return TRUE;
-}
-
-struct pipe_texture *
-brw_texture_blanket_winsys_buffer(struct pipe_screen *screen,
- const struct pipe_texture *templ,
- unsigned pitch,
- unsigned tiling,
- struct brw_winsys_buffer *buffer)
-{
- struct brw_screen *bscreen = brw_screen(screen);
- struct brw_texture *tex;
-
- if (templ->target != PIPE_TEXTURE_2D ||
- templ->last_level != 0 ||
- templ->depth0 != 1)
- return NULL;
-
- if (util_format_is_compressed(templ->format))
- return NULL;
-
- tex = CALLOC_STRUCT(brw_texture);
- if (!tex)
- return NULL;
-
- memcpy(&tex->base, templ, sizeof *templ);
- pipe_reference_init(&tex->base.reference, 1);
- tex->base.screen = screen;
-
- /* XXX: cpp vs. blocksize
- */
- tex->cpp = util_format_get_blocksize(tex->base.format);
- tex->tiling = tiling;
-
- make_empty_list(&tex->views[0]);
- make_empty_list(&tex->views[1]);
-
- if (!brw_texture_layout(bscreen, tex))
- goto fail;
-
- /* XXX Maybe some more checks? */
- if ((pitch / tex->cpp) < tex->pitch)
- goto fail;
-
- tex->pitch = pitch / tex->cpp;
-
- tex->bo = buffer;
-
- /* fix this warning */
-#if 0
- if (tex->size > buffer->size)
- goto fail;
-#endif
-
- tex->ss.ss0.mipmap_layout_mode = BRW_SURFACE_MIPMAPLAYOUT_BELOW;
- tex->ss.ss0.surface_type = translate_tex_target(tex->base.target);
- tex->ss.ss0.surface_format = translate_tex_format(tex->base.format);
- assert(tex->ss.ss0.surface_format != BRW_SURFACEFORMAT_INVALID);
-
- /* This is ok for all textures with channel width 8bit or less:
- */
-/* tex->ss.ss0.data_return_format = BRW_SURFACERETURNFORMAT_S1; */
-
-
- /* XXX: what happens when tex->bo->offset changes???
- */
- tex->ss.ss1.base_addr = 0; /* reloc */
- tex->ss.ss2.mip_count = tex->base.last_level;
- tex->ss.ss2.width = tex->base.width0 - 1;
- tex->ss.ss2.height = tex->base.height0 - 1;
-
- switch (tex->tiling) {
- case BRW_TILING_NONE:
- tex->ss.ss3.tiled_surface = 0;
- tex->ss.ss3.tile_walk = 0;
- break;
- case BRW_TILING_X:
- tex->ss.ss3.tiled_surface = 1;
- tex->ss.ss3.tile_walk = BRW_TILEWALK_XMAJOR;
- break;
- case BRW_TILING_Y:
- tex->ss.ss3.tiled_surface = 1;
- tex->ss.ss3.tile_walk = BRW_TILEWALK_YMAJOR;
- break;
- }
-
- tex->ss.ss3.pitch = (tex->pitch * tex->cpp) - 1;
- tex->ss.ss3.depth = tex->base.depth0 - 1;
-
- tex->ss.ss4.min_lod = 0;
-
- return &tex->base;
-
-fail:
- FREE(tex);
- return NULL;
-}
-
void brw_screen_tex_init( struct brw_screen *brw_screen )
{
brw_screen->base.is_format_supported = brw_is_format_supported;
brw_screen->base.texture_create = brw_texture_create;
+ brw_screen->base.texture_from_handle = brw_texture_from_handle;
+ brw_screen->base.texture_get_handle = brw_texture_get_handle;
brw_screen->base.texture_destroy = brw_texture_destroy;
brw_screen->base.texture_blanket = brw_texture_blanket;
brw_screen->base.get_tex_transfer = brw_get_tex_transfer;
diff --git a/src/gallium/drivers/i965/brw_winsys.h b/src/gallium/drivers/i965/brw_winsys.h
index c82d00f..139e26e 100644
--- a/src/gallium/drivers/i965/brw_winsys.h
+++ b/src/gallium/drivers/i965/brw_winsys.h
@@ -162,6 +162,16 @@ struct brw_winsys_screen {
unsigned alignment,
struct brw_winsys_buffer **bo_out);
+ enum pipe_error (*bo_from_handle)(struct brw_winsys_screen *sws,
+ struct winsys_handle *whandle,
+ unsigned *stride,
+ unsigned *tiling,
+ struct brw_winsys_buffer **bo_out);
+
+ enum pipe_error (*bo_get_handle)(struct brw_winsys_buffer *buffer,
+ struct winsys_handle *whandle,
+ unsigned stride);
+
/* Destroy a buffer when our refcount goes to zero:
*/
void (*bo_destroy)(struct brw_winsys_buffer *buffer);
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
index cd6c671..33a1749 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
@@ -124,10 +124,11 @@ err:
}
static enum pipe_error
-i965_libdrm_buffer_from_handle(struct brw_winsys_screen *sws,
- struct winsys_handle *whandle,
- unsigned *stride,
- struct brw_winsys_buffer **bo_out)
+i965_libdrm_bo_from_handle(struct brw_winsys_screen *sws,
+ struct winsys_handle *whandle,
+ unsigned *stride,
+ unsigned *tile,
+ struct brw_winsys_buffer **bo_out)
{
struct i965_libdrm_winsys *idws = i965_libdrm_winsys(sws);
struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer);
@@ -154,6 +155,7 @@ i965_libdrm_buffer_from_handle(struct brw_winsys_screen *sws,
if (buf->tiling != 0)
buf->map_gtt = TRUE;
+ *tile = buf->tiling;
*stride = whandle->stride;
*bo_out = &buf->base;
@@ -165,9 +167,9 @@ err:
}
static enum pipe_error
-i965_libdrm_buffer_get_handle(struct brw_winsys_buffer *buffer,
- struct winsys_handle *whandle,
- unsigned stride)
+i965_libdrm_bo_get_handle(struct brw_winsys_buffer *buffer,
+ struct winsys_handle *whandle,
+ unsigned stride)
{
struct i965_libdrm_buffer *buf = i965_libdrm_buffer(buffer);
@@ -486,6 +488,8 @@ void
i965_libdrm_winsys_init_buffer_functions(struct i965_libdrm_winsys *idws)
{
idws->base.bo_alloc = i965_libdrm_bo_alloc;
+ idws->base.bo_from_handle = i965_libdrm_bo_from_handle;
+ idws->base.bo_get_handle = i965_libdrm_bo_get_handle;
idws->base.bo_destroy = i965_libdrm_bo_destroy;
idws->base.bo_emit_reloc = i965_libdrm_bo_emit_reloc;
idws->base.bo_exec = i965_libdrm_bo_exec;
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