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authorJason Ekstrand <jason.ekstrand@intel.com>2016-02-18 10:34:47 -0800
committerJason Ekstrand <jason.ekstrand@intel.com>2016-02-18 10:34:47 -0800
commit47b8b08612d44a43e43c3f6e95fe509ee3348723 (patch)
treeee9fa225da5f6265188c179f15996abf38945e3d /src/intel/isl/isl_format.c
parentf6d95876888c81559d4ba773e4e6c82b184e708e (diff)
Move isl to src/intel
Diffstat (limited to 'src/intel/isl/isl_format.c')
-rw-r--r--src/intel/isl/isl_format.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/src/intel/isl/isl_format.c b/src/intel/isl/isl_format.c
new file mode 100644
index 00000000000..0fe6e9b83ab
--- /dev/null
+++ b/src/intel/isl/isl_format.c
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2015 Intel Corporation
+ *
+ * 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 (including the next
+ * paragraph) 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.
+ */
+
+#include <assert.h>
+
+#include "isl.h"
+
+bool
+isl_format_has_sint_channel(enum isl_format fmt)
+{
+ const struct isl_format_layout *fmtl = isl_format_get_layout(fmt);
+
+ return fmtl->channels.r.type == ISL_SINT ||
+ fmtl->channels.g.type == ISL_SINT ||
+ fmtl->channels.b.type == ISL_SINT ||
+ fmtl->channels.a.type == ISL_SINT ||
+ fmtl->channels.l.type == ISL_SINT ||
+ fmtl->channels.i.type == ISL_SINT ||
+ fmtl->channels.p.type == ISL_SINT ||
+ fmtl->channels.g.type == ISL_SINT;
+}
+
+enum isl_format
+isl_format_rgb_to_rgba(enum isl_format rgb)
+{
+ assert(isl_format_is_rgb(rgb));
+
+ switch (rgb) {
+ case ISL_FORMAT_R32G32B32_FLOAT: return ISL_FORMAT_R32G32B32A32_FLOAT;
+ case ISL_FORMAT_R32G32B32_SINT: return ISL_FORMAT_R32G32B32A32_SINT;
+ case ISL_FORMAT_R32G32B32_UINT: return ISL_FORMAT_R32G32B32A32_UINT;
+ case ISL_FORMAT_R32G32B32_UNORM: return ISL_FORMAT_R32G32B32A32_UNORM;
+ case ISL_FORMAT_R32G32B32_SNORM: return ISL_FORMAT_R32G32B32A32_SNORM;
+ case ISL_FORMAT_R32G32B32_SSCALED: return ISL_FORMAT_R32G32B32A32_SSCALED;
+ case ISL_FORMAT_R32G32B32_USCALED: return ISL_FORMAT_R32G32B32A32_USCALED;
+ case ISL_FORMAT_R32G32B32_SFIXED: return ISL_FORMAT_R32G32B32A32_SFIXED;
+ case ISL_FORMAT_R8G8B8_UNORM: return ISL_FORMAT_R8G8B8A8_UNORM;
+ case ISL_FORMAT_R8G8B8_SNORM: return ISL_FORMAT_R8G8B8A8_SNORM;
+ case ISL_FORMAT_R8G8B8_SSCALED: return ISL_FORMAT_R8G8B8A8_SSCALED;
+ case ISL_FORMAT_R8G8B8_USCALED: return ISL_FORMAT_R8G8B8A8_USCALED;
+ case ISL_FORMAT_R16G16B16_FLOAT: return ISL_FORMAT_R16G16B16A16_FLOAT;
+ case ISL_FORMAT_R16G16B16_UNORM: return ISL_FORMAT_R16G16B16A16_UNORM;
+ case ISL_FORMAT_R16G16B16_SNORM: return ISL_FORMAT_R16G16B16A16_SNORM;
+ case ISL_FORMAT_R16G16B16_SSCALED: return ISL_FORMAT_R16G16B16A16_SSCALED;
+ case ISL_FORMAT_R16G16B16_USCALED: return ISL_FORMAT_R16G16B16A16_USCALED;
+ case ISL_FORMAT_R8G8B8_UNORM_SRGB: return ISL_FORMAT_R8G8B8A8_UNORM_SRGB;
+ case ISL_FORMAT_R16G16B16_UINT: return ISL_FORMAT_R16G16B16A16_UINT;
+ case ISL_FORMAT_R16G16B16_SINT: return ISL_FORMAT_R16G16B16A16_SINT;
+ case ISL_FORMAT_R8G8B8_UINT: return ISL_FORMAT_R8G8B8A8_UINT;
+ case ISL_FORMAT_R8G8B8_SINT: return ISL_FORMAT_R8G8B8A8_SINT;
+ default:
+ return ISL_FORMAT_UNSUPPORTED;
+ }
+}
+
+enum isl_format
+isl_format_rgb_to_rgbx(enum isl_format rgb)
+{
+ assert(isl_format_is_rgb(rgb));
+
+ switch (rgb) {
+ case ISL_FORMAT_R32G32B32_FLOAT:
+ return ISL_FORMAT_R32G32B32X32_FLOAT;
+ case ISL_FORMAT_R16G16B16_UNORM:
+ return ISL_FORMAT_R16G16B16X16_UNORM;
+ case ISL_FORMAT_R16G16B16_FLOAT:
+ return ISL_FORMAT_R16G16B16X16_FLOAT;
+ case ISL_FORMAT_R8G8B8_UNORM:
+ return ISL_FORMAT_R8G8B8X8_UNORM;
+ case ISL_FORMAT_R8G8B8_UNORM_SRGB:
+ return ISL_FORMAT_R8G8B8X8_UNORM_SRGB;
+ default:
+ return ISL_FORMAT_UNSUPPORTED;
+ }
+}