initial commit

1 files changed, 84 insertions, 0 deletions

diff --git a/gralloc_drm.h b/gralloc_drm.h
new file mode 100644
index 0000000..67f3598
--- /dev/null
+++ b/gralloc_drm.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010-2011 Chia-I Wu <olvaffe@gmail.com>
+ * Copyright (C) 2010-2011 LunarG Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef _GRALLOC_DRM_H_
+#define _GRALLOC_DRM_H_
+
+#include <hardware/gralloc.h>
+
+struct gralloc_drm_t;
+struct gralloc_drm_bo_t;
+
+struct gralloc_drm_t *gralloc_drm_create(void);
+void gralloc_drm_destroy(struct gralloc_drm_t *drm);
+
+int gralloc_drm_get_fd(struct gralloc_drm_t *drm);
+int gralloc_drm_get_magic(struct gralloc_drm_t *drm, int32_t *magic);
+int gralloc_drm_auth_magic(struct gralloc_drm_t *drm, int32_t magic);
+int gralloc_drm_set_master(struct gralloc_drm_t *drm);
+void gralloc_drm_drop_master(struct gralloc_drm_t *drm);
+
+int gralloc_drm_init_kms(struct gralloc_drm_t *drm);
+void gralloc_drm_get_kms_info(struct gralloc_drm_t *drm, struct framebuffer_device_t *fb);
+int gralloc_drm_is_kms_pipelined(struct gralloc_drm_t *drm);
+
+static inline int gralloc_drm_get_bpp(int format)
+{
+	int bpp;
+
+	switch (format) {
+	case HAL_PIXEL_FORMAT_RGBA_8888:
+	case HAL_PIXEL_FORMAT_RGBX_8888:
+	case HAL_PIXEL_FORMAT_BGRA_8888:
+		bpp = 4;
+		break;
+	case HAL_PIXEL_FORMAT_RGB_888:
+		bpp = 3;
+		break;
+	case HAL_PIXEL_FORMAT_RGB_565:
+	case HAL_PIXEL_FORMAT_RGBA_5551:
+	case HAL_PIXEL_FORMAT_RGBA_4444:
+		bpp = 2;
+		break;
+	default:
+		bpp = 0;
+		break;
+	}
+
+	return bpp;
+}
+
+struct gralloc_drm_bo_t *gralloc_drm_bo_create(struct gralloc_drm_t *drm, int width, int height, int format, int usage);
+struct gralloc_drm_bo_t *gralloc_drm_bo_validate(struct gralloc_drm_t *drm, buffer_handle_t handle);
+void gralloc_drm_bo_destroy(struct gralloc_drm_bo_t *bo);
+
+int gralloc_drm_bo_map(struct gralloc_drm_bo_t *bo, int x, int y, int w, int h, int enable_write, void **addr);
+void gralloc_drm_bo_unmap(struct gralloc_drm_bo_t *bo);
+buffer_handle_t gralloc_drm_bo_get_handle(struct gralloc_drm_bo_t *bo, int *stride);
+
+int gralloc_drm_bo_need_fb(const struct gralloc_drm_bo_t *bo);
+int gralloc_drm_bo_add_fb(struct gralloc_drm_bo_t *bo);
+void gralloc_drm_bo_rm_fb(struct gralloc_drm_bo_t *bo);
+int gralloc_drm_bo_post(struct gralloc_drm_bo_t *bo);
+
+#endif /* _GRALLOC_DRM_H_ */