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,
}
-/*
- * 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;
- GLuint format;
-
- 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);
-
- format = translate_tex_format(tex->base.format);
- assert(format != BRW_SURFACEFORMAT_INVALID);
- tex->ss.ss0.surface_format = format;
-
- /* 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;
fclose(file);
}
-static struct i965_libdrm_buffer *
-i965_libdrm_buffer_from_handle(struct i965_libdrm_winsys *idws,
- const char* name, unsigned handle)
-{
- struct i965_libdrm_buffer *buf = CALLOC_STRUCT(i965_libdrm_buffer);
- uint32_t swizzle = 0;
-
- if (BRW_DUMP)
- debug_printf("%s\n", __FUNCTION__);
-
- if (!buf)
- return NULL;
- pipe_reference_init(&buf->base.reference, 1);
- buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, name, handle);
- buf->base.size = buf->bo->size;
- buf->base.sws = &idws->base;
- buf->flinked = TRUE;
- buf->flink = handle;
-
-
- if (!buf->bo)
- goto err;
-
- drm_intel_bo_get_tiling(buf->bo, &buf->tiling, &swizzle);
- if (buf->tiling != 0)
- buf->map_gtt = TRUE;
-
- return buf;
-
-err:
- FREE(buf);
- return NULL;
-}
-
-
-/*
- * Exported functions
- */
-
-
-static struct pipe_texture *
-i965_libdrm_texture_from_shared_handle(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *template,
- const char* name,
- unsigned pitch,
- unsigned handle)
-{
- /* XXX: this is silly -- there should be a way to get directly from
- * the "drm_api" struct to ourselves, without peering into
- * unrelated code:
- */
- struct i965_libdrm_winsys *idws = i965_libdrm_winsys(brw_screen(screen)->sws);
- struct i965_libdrm_buffer *buffer;
-
- if (BRW_DUMP)
- debug_printf("%s %s pitch %d handle 0x%x\n", __FUNCTION__,
- name, pitch, handle);
-
- buffer = i965_libdrm_buffer_from_handle(idws, name, handle);
- if (!buffer)
- return NULL;
-
- return brw_texture_blanket_winsys_buffer(screen, template, pitch,
- buffer->tiling,
- &buffer->base);
-}
-
-
-static boolean
-i965_libdrm_shared_handle_from_texture(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *pitch,
- unsigned *handle)
-{
- struct i965_libdrm_buffer *buf = NULL;
- struct brw_winsys_buffer *buffer = NULL;
-
- if (BRW_DUMP)
- debug_printf("%s\n", __FUNCTION__);
-
- if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch))
- return FALSE;
-
- buf = i965_libdrm_buffer(buffer);
- if (!buf->flinked) {
- if (drm_intel_bo_flink(buf->bo, &buf->flink))
- return FALSE;
- buf->flinked = TRUE;
- }
-
- *handle = buf->flink;
-
- if (BRW_DUMP)
- debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle);
-
- return TRUE;
-}
-
-static boolean
-i965_libdrm_local_handle_from_texture(struct drm_api *api,
- struct pipe_screen *screen,
- struct pipe_texture *texture,
- unsigned *pitch,
- unsigned *handle)
-{
- struct brw_winsys_buffer *buffer = NULL;
-
- if (BRW_DUMP)
- debug_printf("%s\n", __FUNCTION__);
-
- if (!brw_texture_get_winsys_buffer(texture, &buffer, pitch))
- return FALSE;
-
- *handle = i965_libdrm_buffer(buffer)->bo->handle;
-
- if (BRW_DUMP)
- debug_printf(" -> pitch %d handle 0x%x\n", *pitch, *handle);
-
- return TRUE;
-}
-
static void
i965_libdrm_winsys_destroy(struct brw_winsys_screen *iws)
{
{
.name = "i965",
.create_screen = i965_libdrm_create_screen,
- .texture_from_shared_handle = i965_libdrm_texture_from_shared_handle,
- .shared_handle_from_texture = i965_libdrm_shared_handle_from_texture,
- .local_handle_from_texture = i965_libdrm_local_handle_from_texture,
.destroy = destroy,
};
+#include "state_tracker/drm_api.h"
#include "i965_drm_winsys.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
return PIPE_ERROR_OUT_OF_MEMORY;
}
+static enum pipe_error
+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);
+ uint32_t swizzle = 0;
+
+ if (BRW_DUMP)
+ debug_printf("%s\n", __FUNCTION__);
+
+ if (!buf)
+ return PIPE_ERROR_OUT_OF_MEMORY;
+
+ pipe_reference_init(&buf->base.reference, 1);
+ buf->bo = drm_intel_bo_gem_create_from_name(idws->gem, "FROM_HANDLE", whandle->handle);
+ buf->base.size = buf->bo->size;
+ buf->base.sws = &idws->base;
+ buf->flinked = TRUE;
+ buf->flink = whandle->handle;
+
+
+ if (!buf->bo)
+ goto err;
+
+ drm_intel_bo_get_tiling(buf->bo, &buf->tiling, &swizzle);
+ if (buf->tiling != 0)
+ buf->map_gtt = TRUE;
+
+ *tile = buf->tiling;
+ *stride = whandle->stride;
+
+ *bo_out = &buf->base;
+ return PIPE_OK;
+
+err:
+ FREE(buf);
+ return PIPE_ERROR_OUT_OF_MEMORY;
+}
+
+static enum pipe_error
+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);
+
+ if (BRW_DUMP)
+ debug_printf("%s\n", __FUNCTION__);
+
+ if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
+ if (!buf->flinked) {
+ if (drm_intel_bo_flink(buf->bo, &buf->flink))
+ return PIPE_ERROR_BAD_INPUT;
+ buf->flinked = TRUE;
+ }
+
+ whandle->handle = buf->flink;
+ } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
+ whandle->handle = buf->bo->handle;
+ } else {
+ assert(!"unknown usage");
+ return PIPE_ERROR_BAD_INPUT;
+ }
+
+ whandle->stride = stride;
+ return PIPE_OK;
+}
+
static void
i965_libdrm_bo_destroy(struct brw_winsys_buffer *buffer)
{
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;
projects / mesa.git / commitdiff