gralloc1 : initial implementation
Initial implementation of the gralloc1 APIs
Change-Id: I3b01595b0f9b30d9a08d02101fe42281556bd6a2
diff --git a/libgralloc1/gr_utils.cpp b/libgralloc1/gr_utils.cpp
new file mode 100644
index 0000000..98b6889
--- /dev/null
+++ b/libgralloc1/gr_utils.cpp
@@ -0,0 +1,152 @@
+/*
+ * Copyright (c) 2011-2016, The Linux Foundation. All rights reserved.
+
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ * * Neither the name of The Linux Foundation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "gr_utils.h"
+
+namespace gralloc1 {
+
+bool IsUncompressedRGBFormat(int format) {
+ switch (format) {
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ case HAL_PIXEL_FORMAT_RGB_888:
+ case HAL_PIXEL_FORMAT_RGB_565:
+ case HAL_PIXEL_FORMAT_BGR_565:
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+ case HAL_PIXEL_FORMAT_R_8:
+ case HAL_PIXEL_FORMAT_RG_88:
+ case HAL_PIXEL_FORMAT_BGRX_8888:
+ case HAL_PIXEL_FORMAT_RGBA_1010102:
+ case HAL_PIXEL_FORMAT_ARGB_2101010:
+ case HAL_PIXEL_FORMAT_RGBX_1010102:
+ case HAL_PIXEL_FORMAT_XRGB_2101010:
+ case HAL_PIXEL_FORMAT_BGRA_1010102:
+ case HAL_PIXEL_FORMAT_ABGR_2101010:
+ case HAL_PIXEL_FORMAT_BGRX_1010102:
+ case HAL_PIXEL_FORMAT_XBGR_2101010:
+ return true;
+ default:
+ break;
+ }
+
+ return false;
+}
+
+bool IsCompressedRGBFormat(int format) {
+ switch (format) {
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_4x4_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x4_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_5x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_6x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_8x8_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x8_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_10x10_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x10_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_RGBA_ASTC_12x12_KHR:
+ case HAL_PIXEL_FORMAT_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ return true;
+ default:
+ break;
+ }
+
+ return false;
+}
+
+uint32_t GetBppForUncompressedRGB(int format) {
+ uint32_t bpp = 0;
+ switch (format) {
+ case HAL_PIXEL_FORMAT_RGBA_8888:
+ case HAL_PIXEL_FORMAT_RGBX_8888:
+ case HAL_PIXEL_FORMAT_BGRA_8888:
+ case HAL_PIXEL_FORMAT_BGRX_8888:
+ bpp = 4;
+ break;
+ case HAL_PIXEL_FORMAT_RGB_888:
+ bpp = 3;
+ break;
+ case HAL_PIXEL_FORMAT_RGB_565:
+ case HAL_PIXEL_FORMAT_BGR_565:
+ case HAL_PIXEL_FORMAT_RGBA_5551:
+ case HAL_PIXEL_FORMAT_RGBA_4444:
+ bpp = 2;
+ break;
+ default:
+ ALOGE("Error : %s New format request", __FUNCTION__);
+ break;
+ }
+
+ return bpp;
+}
+
+bool CpuCanAccess(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage) {
+ return CpuCanRead(prod_usage, cons_usage) || CpuCanWrite(prod_usage);
+}
+
+bool CpuCanRead(gralloc1_producer_usage_t prod_usage, gralloc1_consumer_usage_t cons_usage) {
+ if (prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_READ) {
+ return true;
+ }
+
+ if (cons_usage & GRALLOC1_CONSUMER_USAGE_CPU_READ) {
+ return true;
+ }
+
+ return false;
+}
+
+bool CpuCanWrite(gralloc1_producer_usage_t prod_usage) {
+ if (prod_usage & GRALLOC1_PRODUCER_USAGE_CPU_WRITE) {
+ // Application intends to use CPU for rendering
+ return true;
+ }
+
+ return false;
+}
+
+} // namespace gralloc1