Mesa (gallium-winsys-handle): i965g: Work in progress conversion to winsys handle
Jakob Bornecrantz
wallbraker at kemper.freedesktop.org
Wed Feb 17 21:56:58 UTC 2010
Module: Mesa
Branch: gallium-winsys-handle
Commit: 30de87adbda336d71c535af69d88e6cd27cbf675
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=30de87adbda336d71c535af69d88e6cd27cbf675
Author: Jakob Bornecrantz <jakob at vmware.com>
Date: Wed Feb 17 21:45:41 2010 +0000
i965g: Work in progress conversion to winsys handle
At least now it compiles, all thats left is the driver stuff.
---
src/gallium/winsys/drm/i965/gem/i965_drm_api.c | 126 ---------------------
src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c | 71 ++++++++++++
2 files changed, 71 insertions(+), 126 deletions(-)
diff --git a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
index a061eef..21e8230 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_api.c
@@ -37,129 +37,6 @@ i965_libdrm_get_device_id(unsigned int *device_id)
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)
{
@@ -225,9 +102,6 @@ struct drm_api i965_libdrm_api =
{
.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,
};
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 07be1df..cd6c671 100644
--- a/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
+++ b/src/gallium/winsys/drm/i965/gem/i965_drm_buffer.c
@@ -1,4 +1,5 @@
+#include "state_tracker/drm_api.h"
#include "i965_drm_winsys.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
@@ -122,6 +123,76 @@ err:
return PIPE_ERROR_OUT_OF_MEMORY;
}
+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)
+{
+ 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;
+
+ *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_buffer_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)
{
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