[Mesa-dev] [PATCH 07/13] mesa pack: handle packed integer formats with clamping
Jordan Justen
jordan.l.justen at intel.com
Mon Jun 25 17:34:38 PDT 2012
pack_int_cases_tmp.h is included in two places:
_mesa_pack_rgba_span_from_ints with GLint rgba[][4]
and
_mesa_pack_rgba_span_from_uints with GLuint rgba[][4]
Signed-off-by: Jordan Justen <jordan.l.justen at intel.com>
---
src/mesa/main/pack.c | 6 +
src/mesa/main/pack_int_cases_tmp.h | 304 ++++++++++++++++++++++++++++++++++++
2 files changed, 310 insertions(+)
create mode 100644 src/mesa/main/pack_int_cases_tmp.h
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 9fb8771..613d68b 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -530,6 +530,9 @@ _mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][
pack_byte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
+ /* Packed integer cases */
+#include "pack_int_cases_tmp.h"
+
default:
_mesa_problem(ctx,
"Unsupported type (%s) for format (%s)",
@@ -615,6 +618,9 @@ _mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4]
pack_byte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
+ /* Packed integer cases */
+#include "pack_int_cases_tmp.h"
+
default:
_mesa_problem(ctx,
"Unsupported type (%s) for format (%s)",
diff --git a/src/mesa/main/pack_int_cases_tmp.h b/src/mesa/main/pack_int_cases_tmp.h
new file mode 100644
index 0000000..c1f15e9
--- /dev/null
+++ b/src/mesa/main/pack_int_cases_tmp.h
@@ -0,0 +1,304 @@
+/*
+ * Mesa 3-D graphics library
+ *
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
+ * Copyright (C) 2009-2010 VMware, Inc. All Rights Reserved.
+ *
+ * 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
+ * THEA AUTHORS 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.
+ */
+
+/*
+ * These case statements are used two places:
+ * pack.c:_mesa_pack_rgba_span_from_ints with GLint rgba[][4]
+ * and
+ * pack.c:_mesa_pack_rgba_span_from_uints with GLuint rgba[][4]
+ */
+
+ case GL_UNSIGNED_BYTE_3_3_2:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 2)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_BYTE_2_3_3_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLubyte *dst = (GLubyte *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 7) )
+ | (CLAMP(rgba[i][GCOMP], 0, 7) << 3)
+ | (CLAMP(rgba[i][BCOMP], 0, 3) << 6);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_6_5_REV:
+ if ((dstFormat == GL_RGB) || (dstFormat == GL_RGB_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 63) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 11);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_4_4_4_4_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 15) )
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 15) << 12);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 15) )
+ | (CLAMP(rgba[i][BCOMP], 0, 15) << 4)
+ | (CLAMP(rgba[i][GCOMP], 0, 15) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 15) << 12);
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) << 11)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 6)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 1)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_SHORT_1_5_5_5_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 31) )
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][RCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][ACOMP], 0, 1) << 15);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 31) )
+ | (CLAMP(rgba[i][BCOMP], 0, 31) << 5)
+ | (CLAMP(rgba[i][GCOMP], 0, 31) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1) << 15);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) << 24)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 255) )
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][ACOMP], 0, 255) << 24);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 255) )
+ | (CLAMP(rgba[i][BCOMP], 0, 255) << 8)
+ | (CLAMP(rgba[i][GCOMP], 0, 255) << 16)
+ | (CLAMP(rgba[i][RCOMP], 0, 255) << 24);
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_10_10_10_2:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) << 22)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 12)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 2)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) );
+ }
+ }
+ break;
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ if ((dstFormat == GL_RGBA) || (dstFormat == GL_RGBA_INTEGER_EXT)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][RCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][BCOMP], 0, 1023) )
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][RCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][ACOMP], 0, 3) << 30);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (CLAMP(rgba[i][ACOMP], 0, 1023) )
+ | (CLAMP(rgba[i][BCOMP], 0, 1023) << 10)
+ | (CLAMP(rgba[i][GCOMP], 0, 1023) << 20)
+ | (CLAMP(rgba[i][RCOMP], 0, 3) << 30);
+ }
+ }
+ break;
+
--
1.7.9.5
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