Move isl to src/intel

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;
+   }
+}