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Diffstat (limited to 'mesalib/src/mesa/main/pack.c')
-rw-r--r--mesalib/src/mesa/main/pack.c112
1 files changed, 61 insertions, 51 deletions
diff --git a/mesalib/src/mesa/main/pack.c b/mesalib/src/mesa/main/pack.c
index 8f2c8fd97..f874ab21a 100644
--- a/mesalib/src/mesa/main/pack.c
+++ b/mesalib/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);