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-rw-r--r--mesalib/src/mesa/main/pack_tmp.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/mesalib/src/mesa/main/pack_tmp.h b/mesalib/src/mesa/main/pack_tmp.h
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+++ b/mesalib/src/mesa/main/pack_tmp.h
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+/*
+ * Copyright © 2012 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.
+ */
+
+static void
+FN_NAME(DST_TYPE *dst,
+ GLenum dstFormat,
+ SRC_TYPE rgba[][4],
+ int n)
+{
+ int i;
+
+ switch (dstFormat) {
+ case GL_RED_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i] = SRC_CONVERT(rgba[i][RCOMP]);
+ }
+ break;
+
+ case GL_GREEN_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i] = SRC_CONVERT(rgba[i][GCOMP]);
+ }
+ break;
+
+ case GL_BLUE_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i] = SRC_CONVERT(rgba[i][BCOMP]);
+ };
+ break;
+
+ case GL_ALPHA_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i] = SRC_CONVERT(rgba[i][ACOMP]);
+ }
+ break;
+
+ case GL_RG_INTEGER:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP]);
+ dst[i*2+1] = SRC_CONVERT(rgba[i][GCOMP]);
+ }
+ break;
+
+ case GL_RGB_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*3+0] = SRC_CONVERT(rgba[i][RCOMP]);
+ dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]);
+ dst[i*3+2] = SRC_CONVERT(rgba[i][BCOMP]);
+ }
+ break;
+
+ case GL_RGBA_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*4+0] = SRC_CONVERT(rgba[i][RCOMP]);
+ dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]);
+ dst[i*4+2] = SRC_CONVERT(rgba[i][BCOMP]);
+ dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]);
+ }
+ break;
+
+ case GL_BGR_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*3+0] = SRC_CONVERT(rgba[i][BCOMP]);
+ dst[i*3+1] = SRC_CONVERT(rgba[i][GCOMP]);
+ dst[i*3+2] = SRC_CONVERT(rgba[i][RCOMP]);
+ }
+ break;
+
+ case GL_BGRA_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*4+0] = SRC_CONVERT(rgba[i][BCOMP]);
+ dst[i*4+1] = SRC_CONVERT(rgba[i][GCOMP]);
+ dst[i*4+2] = SRC_CONVERT(rgba[i][RCOMP]);
+ dst[i*4+3] = SRC_CONVERT(rgba[i][ACOMP]);
+ }
+ break;
+
+ case GL_LUMINANCE_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i] = SRC_CONVERT(rgba[i][RCOMP] +
+ rgba[i][GCOMP] +
+ rgba[i][BCOMP]);
+ }
+ break;
+
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ for (i=0;i<n;i++) {
+ dst[i*2+0] = SRC_CONVERT(rgba[i][RCOMP] +
+ rgba[i][GCOMP] +
+ rgba[i][BCOMP]);
+ dst[i*2+1] = SRC_CONVERT(rgba[i][ACOMP]);
+ }
+ break;
+ }
+}