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-rw-r--r--src/mesa/main/pack.c112
-rw-r--r--src/mesa/main/pack_tmp.h115
2 files changed, 176 insertions, 51 deletions
diff --git a/src/mesa/main/pack.c b/src/mesa/main/pack.c
index 8f2c8fd974f..f874ab21a8e 100644
--- a/src/mesa/main/pack.c
+++ b/src/mesa/main/pack.c
@@ -448,65 +448,75 @@ get_type_min_max(GLenum type, GLfloat *min, GLfloat *max)
}
}
-/*
- * integer packing , no transfer operations only packs
- * to dst of GL_UNSIGNED_INT or GL_INT
+/* Customization of integer packing. We always treat src as uint, and can pack dst
+ * as any integer type/format combo.
*/
+#define SRC_TYPE GLuint
+
+#define DST_TYPE GLuint
+#define SRC_CONVERT(x) (x)
+#define FN_NAME pack_uint_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLushort
+#define SRC_CONVERT(x) (x)
+#define FN_NAME pack_ushort_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLshort
+#define SRC_CONVERT(x) (x)
+#define FN_NAME pack_short_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLubyte
+#define SRC_CONVERT(x) (x)
+#define FN_NAME pack_ubyte_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLbyte
+#define SRC_CONVERT(x) (x)
+#define FN_NAME pack_byte_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
void
_mesa_pack_rgba_span_int(struct gl_context *ctx, GLuint n, GLuint rgba[][4],
GLenum dstFormat, GLenum dstType,
GLvoid *dstAddr)
{
- int i;
-
switch(dstType) {
- case GL_UNSIGNED_INT: {
- GLuint *dst = (GLuint *) dstAddr;
- switch (dstFormat) {
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RG_INTEGER:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- for (i=0;i<n;i++) {
- dst[i*4+0] = (GLuint) rgba[i][RCOMP];
- dst[i*4+1] = (GLuint) rgba[i][GCOMP];
- dst[i*4+2] = (GLuint) rgba[i][BCOMP];
- dst[i*4+3] = (GLuint) rgba[i][ACOMP];
- }
- break;
- }
- }
+ case GL_UNSIGNED_INT:
+ pack_uint_from_uint_rgba(dstAddr, dstFormat, rgba, n);
break;
- case GL_INT: {
- GLint *dst = (GLint *) dstAddr;
- switch (dstFormat) {
- case GL_RED_INTEGER_EXT:
- case GL_GREEN_INTEGER_EXT:
- case GL_BLUE_INTEGER_EXT:
- case GL_ALPHA_INTEGER_EXT:
- case GL_RG_INTEGER:
- case GL_RGB_INTEGER_EXT:
- case GL_RGBA_INTEGER_EXT:
- case GL_BGR_INTEGER_EXT:
- case GL_BGRA_INTEGER_EXT:
- case GL_LUMINANCE_INTEGER_EXT:
- case GL_LUMINANCE_ALPHA_INTEGER_EXT:
- for (i=0;i<n;i++) {
- dst[i*4+0] = (GLint) rgba[i][RCOMP];
- dst[i*4+1] = (GLint) rgba[i][GCOMP];
- dst[i*4+2] = (GLint) rgba[i][BCOMP];
- dst[i*4+3] = (GLint) rgba[i][ACOMP];
- }
- break;
- }
- }
+ case GL_INT:
+ /* No conversion necessary. */
+ pack_uint_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_UNSIGNED_SHORT:
+ pack_ushort_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_SHORT:
+ pack_short_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_UNSIGNED_BYTE:
+ pack_ubyte_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_BYTE:
+ pack_byte_from_uint_rgba(dstAddr, dstFormat, rgba, n);
break;
default:
assert(0);
diff --git a/src/mesa/main/pack_tmp.h b/src/mesa/main/pack_tmp.h
new file mode 100644
index 00000000000..83b65572998
--- /dev/null
+++ b/src/mesa/main/pack_tmp.h
@@ -0,0 +1,115 @@
+/*
+ * 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;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 16:04:28 +0000