*/
+/*
+ * XXX: MSVC takes forever to compile this module for x86_64 unless we disable
+ * this global optimization.
+ *
+ * See also:
+ * - http://msdn.microsoft.com/en-us/library/1yk3ydd7.aspx
+ * - http://msdn.microsoft.com/en-us/library/chh3fb0k.aspx
+ */
+#if defined(_MSC_VER) && defined(_M_X64)
+# pragma optimize( "g", off )
+#endif
+
+
#include "glheader.h"
#include "colormac.h"
#include "enums.h"
#include "pack.h"
#include "pixeltransfer.h"
#include "imports.h"
+#include "glformats.h"
#include "../../gallium/auxiliary/util/u_format_rgb9e5.h"
#include "../../gallium/auxiliary/util/u_format_r11g11b10f.h"
/* Alloc dest storage */
bytes = ((width + 7) / 8 * height);
- buffer = (GLubyte *) malloc( bytes );
+ buffer = malloc( bytes );
if (!buffer)
return NULL;
}
}
-/* Customization of integer packing. We always treat src as uint, and can pack dst
- * as any integer type/format combo.
+/* Customization of unsigned integer packing.
*/
#define SRC_TYPE GLuint
#undef SRC_CONVERT
#undef FN_NAME
+#define DST_TYPE GLint
+#define SRC_CONVERT(x) MIN2(x, 0x7fffffff)
+#define FN_NAME pack_int_from_uint_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
#define DST_TYPE GLushort
#define SRC_CONVERT(x) MIN2(x, 0xffff)
#define FN_NAME pack_ushort_from_uint_rgba
#undef SRC_CONVERT
#undef FN_NAME
+#undef SRC_TYPE
+
+static void
+_pack_rgba_span_from_uints_problem(struct gl_context *ctx,
+ GLenum dstFormat, GLenum dstType)
+{
+ _mesa_problem(ctx,
+ "Unsupported type (%s) / format (%s) "
+ "in _mesa_pack_rgba_span_from_uints",
+ _mesa_lookup_enum_by_nr(dstType),
+ _mesa_lookup_enum_by_nr(dstFormat));
+}
+
void
-_mesa_pack_rgba_span_int(struct gl_context *ctx, GLuint n, GLuint rgba[][4],
- GLenum dstFormat, GLenum dstType,
- GLvoid *dstAddr)
+_mesa_pack_rgba_span_from_uints(struct gl_context *ctx, GLuint n, GLuint rgba[][4],
+ GLenum dstFormat, GLenum dstType,
+ GLvoid *dstAddr)
{
+ GLuint i;
+
switch(dstType) {
case GL_UNSIGNED_INT:
- pack_uint_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_uint_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_INT:
+ pack_int_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_UNSIGNED_SHORT:
+ pack_ushort_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_SHORT:
+ pack_short_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_UNSIGNED_BYTE:
+ pack_ubyte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ case GL_BYTE:
+ pack_byte_from_uint_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ 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] = (MIN2(rgba[i][RCOMP], 7) << 5)
+ | (MIN2(rgba[i][GCOMP], 7) << 2)
+ | (MIN2(rgba[i][BCOMP], 3) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 7) )
+ | (MIN2(rgba[i][GCOMP], 7) << 3)
+ | (MIN2(rgba[i][BCOMP], 3) << 6);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 31) << 11)
+ | (MIN2(rgba[i][GCOMP], 63) << 5)
+ | (MIN2(rgba[i][BCOMP], 31) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 31) )
+ | (MIN2(rgba[i][GCOMP], 63) << 5)
+ | (MIN2(rgba[i][BCOMP], 31) << 11);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 15) << 12)
+ | (MIN2(rgba[i][GCOMP], 15) << 8)
+ | (MIN2(rgba[i][BCOMP], 15) << 4)
+ | (MIN2(rgba[i][ACOMP], 15) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 15) << 12)
+ | (MIN2(rgba[i][GCOMP], 15) << 8)
+ | (MIN2(rgba[i][RCOMP], 15) << 4)
+ | (MIN2(rgba[i][ACOMP], 15) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 15) << 12)
+ | (MIN2(rgba[i][BCOMP], 15) << 8)
+ | (MIN2(rgba[i][GCOMP], 15) << 4)
+ | (MIN2(rgba[i][RCOMP], 15) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 15) )
+ | (MIN2(rgba[i][GCOMP], 15) << 4)
+ | (MIN2(rgba[i][BCOMP], 15) << 8)
+ | (MIN2(rgba[i][ACOMP], 15) << 12);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 15) )
+ | (MIN2(rgba[i][GCOMP], 15) << 4)
+ | (MIN2(rgba[i][RCOMP], 15) << 8)
+ | (MIN2(rgba[i][ACOMP], 15) << 12);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 15) )
+ | (MIN2(rgba[i][BCOMP], 15) << 4)
+ | (MIN2(rgba[i][GCOMP], 15) << 8)
+ | (MIN2(rgba[i][RCOMP], 15) << 12);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 31) << 11)
+ | (MIN2(rgba[i][GCOMP], 31) << 6)
+ | (MIN2(rgba[i][BCOMP], 31) << 1)
+ | (MIN2(rgba[i][ACOMP], 1) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 31) << 11)
+ | (MIN2(rgba[i][GCOMP], 31) << 6)
+ | (MIN2(rgba[i][RCOMP], 31) << 1)
+ | (MIN2(rgba[i][ACOMP], 1) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 31) << 11)
+ | (MIN2(rgba[i][BCOMP], 31) << 6)
+ | (MIN2(rgba[i][GCOMP], 31) << 1)
+ | (MIN2(rgba[i][RCOMP], 1) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 31) )
+ | (MIN2(rgba[i][GCOMP], 31) << 5)
+ | (MIN2(rgba[i][BCOMP], 31) << 10)
+ | (MIN2(rgba[i][ACOMP], 1) << 15);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 31) )
+ | (MIN2(rgba[i][GCOMP], 31) << 5)
+ | (MIN2(rgba[i][RCOMP], 31) << 10)
+ | (MIN2(rgba[i][ACOMP], 1) << 15);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLushort *dst = (GLushort *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 31) )
+ | (MIN2(rgba[i][BCOMP], 31) << 5)
+ | (MIN2(rgba[i][GCOMP], 31) << 10)
+ | (MIN2(rgba[i][RCOMP], 1) << 15);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 255) << 24)
+ | (MIN2(rgba[i][GCOMP], 255) << 16)
+ | (MIN2(rgba[i][BCOMP], 255) << 8)
+ | (MIN2(rgba[i][ACOMP], 255) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 255) << 24)
+ | (MIN2(rgba[i][GCOMP], 255) << 16)
+ | (MIN2(rgba[i][RCOMP], 255) << 8)
+ | (MIN2(rgba[i][ACOMP], 255) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 255) << 24)
+ | (MIN2(rgba[i][BCOMP], 255) << 16)
+ | (MIN2(rgba[i][GCOMP], 255) << 8)
+ | (MIN2(rgba[i][RCOMP], 255) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 255) )
+ | (MIN2(rgba[i][GCOMP], 255) << 8)
+ | (MIN2(rgba[i][BCOMP], 255) << 16)
+ | (MIN2(rgba[i][ACOMP], 255) << 24);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 255) )
+ | (MIN2(rgba[i][GCOMP], 255) << 8)
+ | (MIN2(rgba[i][RCOMP], 255) << 16)
+ | (MIN2(rgba[i][ACOMP], 255) << 24);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 255) )
+ | (MIN2(rgba[i][BCOMP], 255) << 8)
+ | (MIN2(rgba[i][GCOMP], 255) << 16)
+ | (MIN2(rgba[i][RCOMP], 255) << 24);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 1023) << 22)
+ | (MIN2(rgba[i][GCOMP], 1023) << 12)
+ | (MIN2(rgba[i][BCOMP], 1023) << 2)
+ | (MIN2(rgba[i][ACOMP], 3) );
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 1023) << 22)
+ | (MIN2(rgba[i][GCOMP], 1023) << 12)
+ | (MIN2(rgba[i][RCOMP], 1023) << 2)
+ | (MIN2(rgba[i][ACOMP], 3) );
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 1023) << 22)
+ | (MIN2(rgba[i][BCOMP], 1023) << 12)
+ | (MIN2(rgba[i][GCOMP], 1023) << 2)
+ | (MIN2(rgba[i][RCOMP], 3) );
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ 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] = (MIN2(rgba[i][RCOMP], 1023) )
+ | (MIN2(rgba[i][GCOMP], 1023) << 10)
+ | (MIN2(rgba[i][BCOMP], 1023) << 20)
+ | (MIN2(rgba[i][ACOMP], 3) << 30);
+ }
+ }
+ else if ((dstFormat == GL_BGRA) || (dstFormat == GL_BGRA_INTEGER)) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][BCOMP], 1023) )
+ | (MIN2(rgba[i][GCOMP], 1023) << 10)
+ | (MIN2(rgba[i][RCOMP], 1023) << 20)
+ | (MIN2(rgba[i][ACOMP], 3) << 30);
+ }
+ }
+ else if (dstFormat == GL_ABGR_EXT) {
+ GLuint *dst = (GLuint *) dstAddr;
+ for (i=0;i<n;i++) {
+ dst[i] = (MIN2(rgba[i][ACOMP], 1023) )
+ | (MIN2(rgba[i][BCOMP], 1023) << 10)
+ | (MIN2(rgba[i][GCOMP], 1023) << 20)
+ | (MIN2(rgba[i][RCOMP], 3) << 30);
+ }
+ } else {
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ }
+ break;
+ default:
+ _pack_rgba_span_from_uints_problem(ctx, dstFormat, dstType);
+ return;
+ }
+}
+
+
+/* Customization of signed integer packing.
+ */
+#define SRC_TYPE GLint
+
+#define DST_TYPE GLuint
+#define SRC_CONVERT(x) MAX2(x, 0)
+#define FN_NAME pack_uint_from_int_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLushort
+#define SRC_CONVERT(x) MAX2(x, 0)
+#define FN_NAME pack_ushort_from_int_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLshort
+#define SRC_CONVERT(x) CLAMP(x, -0x8000, 0x7fff)
+#define FN_NAME pack_short_from_int_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLubyte
+#define SRC_CONVERT(x) MAX2(x, 0)
+#define FN_NAME pack_ubyte_from_int_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#define DST_TYPE GLbyte
+#define SRC_CONVERT(x) CLAMP(x, -0x80, 0x7f)
+#define FN_NAME pack_byte_from_int_rgba
+#include "pack_tmp.h"
+#undef DST_TYPE
+#undef SRC_CONVERT
+#undef FN_NAME
+
+#undef SRC_TYPE
+
+static void
+_pack_rgba_span_from_ints_problem(struct gl_context *ctx,
+ GLenum dstFormat, GLenum dstType)
+{
+ _mesa_problem(ctx,
+ "Unsupported type (%s) / format (%s) "
+ "in _mesa_pack_rgba_span_from_ints",
+ _mesa_lookup_enum_by_nr(dstType),
+ _mesa_lookup_enum_by_nr(dstFormat));
+}
+
+void
+_mesa_pack_rgba_span_from_ints(struct gl_context *ctx, GLuint n, GLint rgba[][4],
+ GLenum dstFormat, GLenum dstType,
+ GLvoid *dstAddr)
+{
+ GLuint i;
+
+ switch(dstType) {
+ case GL_UNSIGNED_INT:
+ pack_uint_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
case GL_INT:
/* No conversion necessary. */
- pack_uint_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_uint_from_uint_rgba(ctx, dstAddr, dstFormat, (GLuint (*)[4]) rgba, n);
break;
case GL_UNSIGNED_SHORT:
- pack_ushort_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_ushort_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
case GL_SHORT:
- pack_short_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_short_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
case GL_UNSIGNED_BYTE:
- pack_ubyte_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_ubyte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
break;
case GL_BYTE:
- pack_byte_from_uint_rgba(dstAddr, dstFormat, rgba, n);
+ pack_byte_from_int_rgba(ctx, dstAddr, dstFormat, rgba, n);
+ break;
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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) );
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
+ 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);
+ }
+ } else {
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
+ }
break;
default:
- assert(0);
+ _pack_rgba_span_from_ints_problem(ctx, dstFormat, dstType);
return;
}
}
{
GLfloat *luminance;
const GLint comps = _mesa_components_in_format(dstFormat);
- const GLboolean intDstFormat = _mesa_is_integer_format(dstFormat);
+ const GLboolean intDstFormat = _mesa_is_enum_format_integer(dstFormat);
GLuint i;
if (dstFormat == GL_LUMINANCE ||
dstFormat == GL_LUMINANCE_ALPHA ||
dstFormat == GL_LUMINANCE_INTEGER_EXT ||
dstFormat == GL_LUMINANCE_ALPHA_INTEGER_EXT) {
- luminance = (GLfloat *) malloc(n * sizeof(GLfloat));
+ luminance = malloc(n * sizeof(GLfloat));
if (!luminance) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing");
return;
break;
case GL_RG_INTEGER:
for (i=0;i<n;i++) {
- dst[i*3+0] = (GLshort) rgba[i][RCOMP];
- dst[i*3+1] = (GLshort) rgba[i][GCOMP];
- dst[i*3+2] = (GLshort) rgba[i][BCOMP];
+ dst[i*2+0] = (GLshort) rgba[i][RCOMP];
+ dst[i*2+1] = (GLshort) rgba[i][GCOMP];
}
break;
case GL_RGB_INTEGER_EXT:
if (dstFormat == GL_RGB) {
GLubyte *dst = (GLubyte *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F) << 5)
- | (IROUND(rgba[i][GCOMP] * 7.0F) << 2)
- | (IROUND(rgba[i][BCOMP] * 3.0F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F) << 5)
+ | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 2)
+ | (F_TO_I(rgba[i][BCOMP] * 3.0F) );
}
}
break;
if (dstFormat == GL_RGB) {
GLubyte *dst = (GLubyte *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 7.0F) )
- | (IROUND(rgba[i][GCOMP] * 7.0F) << 3)
- | (IROUND(rgba[i][BCOMP] * 3.0F) << 6);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 7.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 7.0F) << 3)
+ | (F_TO_I(rgba[i][BCOMP] * 3.0F) << 6);
}
}
break;
if (dstFormat == GL_RGB) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
- | (IROUND(rgba[i][GCOMP] * 63.0F) << 5)
- | (IROUND(rgba[i][BCOMP] * 31.0F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11)
+ | (F_TO_I(rgba[i][GCOMP] * 63.0F) << 5)
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) );
}
}
break;
if (dstFormat == GL_RGB) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) )
- | (IROUND(rgba[i][GCOMP] * 63.0F) << 5)
- | (IROUND(rgba[i][BCOMP] * 31.0F) << 11);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 63.0F) << 5)
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11);
}
}
break;
if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F) << 12)
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][BCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][ACOMP] * 15.0F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12)
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][ACOMP] * 15.0F) );
}
}
else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F) << 12)
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][RCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][ACOMP] * 15.0F) );
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F) << 12)
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][ACOMP] * 15.0F) );
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F) << 12)
- | (IROUND(rgba[i][BCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][RCOMP] * 15.0F) );
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12)
+ | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][RCOMP] * 15.0F) );
}
}
break;
if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 15.0F) )
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][BCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 15.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12);
}
}
else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 15.0F) )
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][RCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][ACOMP] * 15.0F) << 12);
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 15.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][ACOMP] * 15.0F) << 12);
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 15.0F) )
- | (IROUND(rgba[i][BCOMP] * 15.0F) << 4)
- | (IROUND(rgba[i][GCOMP] * 15.0F) << 8)
- | (IROUND(rgba[i][RCOMP] * 15.0F) << 12);
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 15.0F) )
+ | (F_TO_I(rgba[i][BCOMP] * 15.0F) << 4)
+ | (F_TO_I(rgba[i][GCOMP] * 15.0F) << 8)
+ | (F_TO_I(rgba[i][RCOMP] * 15.0F) << 12);
}
}
break;
if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) << 11)
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 6)
- | (IROUND(rgba[i][BCOMP] * 31.0F) << 1)
- | (IROUND(rgba[i][ACOMP] * 1.0F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) << 11)
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 6)
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 1)
+ | (F_TO_I(rgba[i][ACOMP] * 1.0F) );
}
}
else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F) << 11)
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 6)
- | (IROUND(rgba[i][RCOMP] * 31.0F) << 1)
- | (IROUND(rgba[i][ACOMP] * 1.0F) );
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F) << 11)
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 6)
+ | (F_TO_I(rgba[i][RCOMP] * 31.0F) << 1)
+ | (F_TO_I(rgba[i][ACOMP] * 1.0F) );
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F) << 11)
- | (IROUND(rgba[i][BCOMP] * 31.0F) << 6)
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 1)
- | (IROUND(rgba[i][RCOMP] * 1.0F) );
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F) << 11)
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 6)
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 1)
+ | (F_TO_I(rgba[i][RCOMP] * 1.0F) );
}
}
break;
if (dstFormat == GL_RGBA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 31.0F) )
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 5)
- | (IROUND(rgba[i][BCOMP] * 31.0F) << 10)
- | (IROUND(rgba[i][ACOMP] * 1.0F) << 15);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 31.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 5)
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 10)
+ | (F_TO_I(rgba[i][ACOMP] * 1.0F) << 15);
}
}
else if (dstFormat == GL_BGRA) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 31.0F) )
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 5)
- | (IROUND(rgba[i][RCOMP] * 31.0F) << 10)
- | (IROUND(rgba[i][ACOMP] * 1.0F) << 15);
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 31.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 5)
+ | (F_TO_I(rgba[i][RCOMP] * 31.0F) << 10)
+ | (F_TO_I(rgba[i][ACOMP] * 1.0F) << 15);
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLushort *dst = (GLushort *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 31.0F) )
- | (IROUND(rgba[i][BCOMP] * 31.0F) << 5)
- | (IROUND(rgba[i][GCOMP] * 31.0F) << 10)
- | (IROUND(rgba[i][RCOMP] * 1.0F) << 15);
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 31.0F) )
+ | (F_TO_I(rgba[i][BCOMP] * 31.0F) << 5)
+ | (F_TO_I(rgba[i][GCOMP] * 31.0F) << 10)
+ | (F_TO_I(rgba[i][RCOMP] * 1.0F) << 15);
}
}
break;
if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 255.F) << 24)
- | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
- | (IROUND(rgba[i][BCOMP] * 255.F) << 8)
- | (IROUND(rgba[i][ACOMP] * 255.F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.F) << 24)
+ | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16)
+ | (F_TO_I(rgba[i][BCOMP] * 255.F) << 8)
+ | (F_TO_I(rgba[i][ACOMP] * 255.F) );
}
}
else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 255.F) << 24)
- | (IROUND(rgba[i][GCOMP] * 255.F) << 16)
- | (IROUND(rgba[i][RCOMP] * 255.F) << 8)
- | (IROUND(rgba[i][ACOMP] * 255.F) );
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.F) << 24)
+ | (F_TO_I(rgba[i][GCOMP] * 255.F) << 16)
+ | (F_TO_I(rgba[i][RCOMP] * 255.F) << 8)
+ | (F_TO_I(rgba[i][ACOMP] * 255.F) );
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 255.F) << 24)
- | (IROUND(rgba[i][BCOMP] * 255.F) << 16)
- | (IROUND(rgba[i][GCOMP] * 255.F) << 8)
- | (IROUND(rgba[i][RCOMP] * 255.F) );
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.F) << 24)
+ | (F_TO_I(rgba[i][BCOMP] * 255.F) << 16)
+ | (F_TO_I(rgba[i][GCOMP] * 255.F) << 8)
+ | (F_TO_I(rgba[i][RCOMP] * 255.F) );
}
}
break;
if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 255.0F) )
- | (IROUND(rgba[i][GCOMP] * 255.0F) << 8)
- | (IROUND(rgba[i][BCOMP] * 255.0F) << 16)
- | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 255.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 8)
+ | (F_TO_I(rgba[i][BCOMP] * 255.0F) << 16)
+ | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24);
}
}
else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 255.0F) )
- | (IROUND(rgba[i][GCOMP] * 255.0F) << 8)
- | (IROUND(rgba[i][RCOMP] * 255.0F) << 16)
- | (IROUND(rgba[i][ACOMP] * 255.0F) << 24);
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 255.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 8)
+ | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 16)
+ | (F_TO_I(rgba[i][ACOMP] * 255.0F) << 24);
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 255.0F) )
- | (IROUND(rgba[i][BCOMP] * 255.0F) << 8)
- | (IROUND(rgba[i][GCOMP] * 255.0F) << 16)
- | (IROUND(rgba[i][RCOMP] * 255.0F) << 24);
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 255.0F) )
+ | (F_TO_I(rgba[i][BCOMP] * 255.0F) << 8)
+ | (F_TO_I(rgba[i][GCOMP] * 255.0F) << 16)
+ | (F_TO_I(rgba[i][RCOMP] * 255.0F) << 24);
}
}
break;
if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F) << 22)
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
- | (IROUND(rgba[i][BCOMP] * 1023.0F) << 2)
- | (IROUND(rgba[i][ACOMP] * 3.0F) );
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 22)
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12)
+ | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 2)
+ | (F_TO_I(rgba[i][ACOMP] * 3.0F) );
}
}
else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F) << 22)
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 12)
- | (IROUND(rgba[i][RCOMP] * 1023.0F) << 2)
- | (IROUND(rgba[i][ACOMP] * 3.0F) );
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 22)
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 12)
+ | (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 2)
+ | (F_TO_I(rgba[i][ACOMP] * 3.0F) );
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F) << 22)
- | (IROUND(rgba[i][BCOMP] * 1023.0F) << 12)
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 2)
- | (IROUND(rgba[i][RCOMP] * 3.0F) );
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F) << 22)
+ | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 12)
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 2)
+ | (F_TO_I(rgba[i][RCOMP] * 3.0F) );
}
}
break;
if (dstFormat == GL_RGBA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][RCOMP] * 1023.0F) )
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
- | (IROUND(rgba[i][BCOMP] * 1023.0F) << 20)
- | (IROUND(rgba[i][ACOMP] * 3.0F) << 30);
+ dst[i] = (F_TO_I(rgba[i][RCOMP] * 1023.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10)
+ | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 20)
+ | (F_TO_I(rgba[i][ACOMP] * 3.0F) << 30);
}
}
else if (dstFormat == GL_BGRA) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][BCOMP] * 1023.0F) )
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 10)
- | (IROUND(rgba[i][RCOMP] * 1023.0F) << 20)
- | (IROUND(rgba[i][ACOMP] * 3.0F) << 30);
+ dst[i] = (F_TO_I(rgba[i][BCOMP] * 1023.0F) )
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 10)
+ | (F_TO_I(rgba[i][RCOMP] * 1023.0F) << 20)
+ | (F_TO_I(rgba[i][ACOMP] * 3.0F) << 30);
}
}
else if (dstFormat == GL_ABGR_EXT) {
GLuint *dst = (GLuint *) dstAddr;
for (i=0;i<n;i++) {
- dst[i] = (IROUND(rgba[i][ACOMP] * 1023.0F) )
- | (IROUND(rgba[i][BCOMP] * 1023.0F) << 10)
- | (IROUND(rgba[i][GCOMP] * 1023.0F) << 20)
- | (IROUND(rgba[i][RCOMP] * 3.0F) << 30);
+ dst[i] = (F_TO_I(rgba[i][ACOMP] * 1023.0F) )
+ | (F_TO_I(rgba[i][BCOMP] * 1023.0F) << 10)
+ | (F_TO_I(rgba[i][GCOMP] * 1023.0F) << 20)
+ | (F_TO_I(rgba[i][RCOMP] * 3.0F) << 30);
}
}
break;
if (dstPacking->SwapBytes) {
GLint swapSize = _mesa_sizeof_packed_type(dstType);
if (swapSize == 2) {
- if (dstPacking->SwapBytes) {
- _mesa_swap2((GLushort *) dstAddr, n * comps);
- }
+ _mesa_swap2((GLushort *) dstAddr, n * comps);
}
else if (swapSize == 4) {
- if (dstPacking->SwapBytes) {
- _mesa_swap4((GLuint *) dstAddr, n * comps);
- }
+ _mesa_swap4((GLuint *) dstAddr, n * comps);
}
}
stride = _mesa_components_in_format(srcFormat);
- intFormat = _mesa_is_integer_format(srcFormat);
+ intFormat = _mesa_is_enum_format_integer(srcFormat);
#define PROCESS(SRC_INDEX, DST_INDEX, DEFAULT_FLT, DEFAULT_INT, TYPE, CONVERSION) \
if ((SRC_INDEX) < 0) { \
rgba[i][rDst] = ((p ) & 0x3ff) * rs;
rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs;
rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs;
- rgba[i][aDst] = ((p >> 30) ) * as;
+ if (aSrc < 0) {
+ rgba[i][aDst] = 1.0F;
+ } else {
+ rgba[i][aDst] = (p >> 30) * as;
+ }
}
}
else {
rgba[i][rDst] = ((p ) & 0x3ff) * rs;
rgba[i][gDst] = ((p >> 10) & 0x3ff) * gs;
rgba[i][bDst] = ((p >> 20) & 0x3ff) * bs;
- rgba[i][aDst] = ((p >> 30) ) * as;
+ if (aSrc < 0) {
+ rgba[i][aDst] = 1.0F;
+ } else {
+ rgba[i][aDst] = (p >> 30) * as;
+ }
}
}
break;
static inline GLuint
clamp_float_to_uint(GLfloat f)
{
- return f < 0.0F ? 0 : IROUND(f);
+ return f < 0.0F ? 0 : F_TO_I(f);
}
clamp_half_to_uint(GLhalfARB h)
{
GLfloat f = _mesa_half_to_float(h);
- return f < 0.0F ? 0 : IROUND(f);
+ return f < 0.0F ? 0 : F_TO_I(f);
}
const struct gl_pixelstore_attrib *srcPacking,
GLbitfield transferOps )
{
- GLboolean intFormat = _mesa_is_integer_format(srcFormat);
+ GLboolean intFormat = _mesa_is_enum_format_integer(srcFormat);
ASSERT(dstFormat == GL_ALPHA ||
dstFormat == GL_LUMINANCE ||
dstFormat == GL_LUMINANCE_ALPHA ||
{
GLint dstComponents;
GLint rDst, gDst, bDst, aDst, lDst, iDst;
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * n * sizeof(GLfloat));
+ GLfloat (*rgba)[4] = malloc(4 * n * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
* Extract image data and convert to RGBA floats
*/
if (srcFormat == GL_COLOR_INDEX) {
- GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint));
+ GLuint *indexes = malloc(n * sizeof(GLuint));
if (!indexes) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
{
GLint dstComponents;
GLint rDst, gDst, bDst, aDst, lDst, iDst;
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * n * sizeof(GLfloat));
- GLboolean intFormat = _mesa_is_integer_format(srcFormat);
+ GLfloat (*rgba)[4] = malloc(4 * n * sizeof(GLfloat));
+ GLboolean intFormat = _mesa_is_enum_format_integer(srcFormat);
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
* Extract image data and convert to RGBA floats
*/
if (srcFormat == GL_COLOR_INDEX) {
- GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint));
+ GLuint *indexes = malloc(n * sizeof(GLuint));
if (!indexes) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
const GLvoid *source,
const struct gl_pixelstore_attrib *srcPacking)
{
- GLuint (*rgba)[4] = (GLuint (*)[4]) malloc(n * 4 * sizeof(GLfloat));
+ GLuint (*rgba)[4] = malloc(n * 4 * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
GLint dstComponents;
GLbyte *dst = dest;
GLuint i;
- GLfloat (*rgba)[4] = (GLfloat (*)[4]) malloc(4 * n * sizeof(GLfloat));
+ GLfloat (*rgba)[4] = malloc(4 * n * sizeof(GLfloat));
if (!rgba) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
/*
* general solution
*/
- GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint));
+ GLuint *indexes = malloc(n * sizeof(GLuint));
if (!indexes) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
const struct gl_pixelstore_attrib *dstPacking,
GLbitfield transferOps )
{
- GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint));
+ GLuint *indexes = malloc(n * sizeof(GLuint));
if (!indexes) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing");
/*
* general solution
*/
- GLuint *indexes = (GLuint *) malloc(n * sizeof(GLuint));
+ GLuint *indexes = malloc(n * sizeof(GLuint));
if (!indexes) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "stencil unpacking");
GLenum dstType, GLvoid *dest, const GLubyte *source,
const struct gl_pixelstore_attrib *dstPacking )
{
- GLubyte *stencil = (GLubyte *) malloc(n * sizeof(GLubyte));
+ GLubyte *stencil = malloc(n * sizeof(GLubyte));
if (!stencil) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "stencil packing");
depthValues = (GLfloat *) dest;
}
else {
- depthTemp = (GLfloat *) malloc(n * sizeof(GLfloat));
+ depthTemp = malloc(n * sizeof(GLfloat));
if (!depthTemp) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel unpacking");
return;
else {
/* need to use double precision to prevent overflow problems */
for (i = 0; i < n; i++) {
- GLdouble z = depthValues[i] * (GLfloat) depthMax;
+ GLdouble z = depthValues[i] * (GLdouble) depthMax;
if (z >= (GLdouble) 0xffffffff)
zValues[i] = 0xffffffff;
else
GLenum dstType, const GLfloat *depthSpan,
const struct gl_pixelstore_attrib *dstPacking )
{
- GLfloat *depthCopy = (GLfloat *) malloc(n * sizeof(GLfloat));
+ GLfloat *depthCopy = malloc(n * sizeof(GLfloat));
if (!depthCopy) {
_mesa_error(ctx, GL_OUT_OF_MEMORY, "pixel packing");
return;
const GLubyte *stencilVals,
const struct gl_pixelstore_attrib *dstPacking)
{
- GLfloat *depthCopy = (GLfloat *) malloc(n * sizeof(GLfloat));
- GLubyte *stencilCopy = (GLubyte *) malloc(n * sizeof(GLubyte));
+ GLfloat *depthCopy = malloc(n * sizeof(GLfloat));
+ GLubyte *stencilCopy = malloc(n * sizeof(GLubyte));
GLuint i;
if (!depthCopy || !stencilCopy) {
{
GLubyte *destBuffer
- = (GLubyte *) malloc(bytesPerRow * height * depth);
+ = malloc(bytesPerRow * height * depth);
GLubyte *dst;
GLint img, row;
if (!destBuffer)
}
}
+
+
+/**
+ * If we unpack colors from a luminance surface, we'll get pixel colors
+ * such as (l, l, l, a).
+ * When we call _mesa_pack_rgba_span_float(format=GL_LUMINANCE), that
+ * function will compute L=R+G+B before packing. The net effect is we'll
+ * accidentally store luminance values = 3*l.
+ * This function compensates for that by converting (aka rebasing) (l,l,l,a)
+ * to be (l,0,0,a).
+ * It's a similar story for other formats such as LUMINANCE_ALPHA, ALPHA
+ * and INTENSITY.
+ *
+ * Finally, we also need to do this when the actual surface format does
+ * not match the logical surface format. For example, suppose the user
+ * requests a GL_LUMINANCE texture but the driver stores it as RGBA.
+ * Again, we'll get pixel values like (l,l,l,a).
+ */
+void
+_mesa_rebase_rgba_float(GLuint n, GLfloat rgba[][4], GLenum baseFormat)
+{
+ GLuint i;
+
+ switch (baseFormat) {
+ case GL_ALPHA:
+ for (i = 0; i < n; i++) {
+ rgba[i][RCOMP] = 0.0F;
+ rgba[i][GCOMP] = 0.0F;
+ rgba[i][BCOMP] = 0.0F;
+ }
+ break;
+ case GL_INTENSITY:
+ /* fall-through */
+ case GL_LUMINANCE:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0.0F;
+ rgba[i][BCOMP] = 0.0F;
+ rgba[i][ACOMP] = 1.0F;
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0.0F;
+ rgba[i][BCOMP] = 0.0F;
+ }
+ break;
+ case GL_RGB:
+ for (i = 0; i < n; i++) {
+ rgba[i][ACOMP] = 1.0F;
+ }
+ break;
+ case GL_RG:
+ for (i = 0; i < n; i++) {
+ rgba[i][BCOMP] = 0.0F;
+ rgba[i][ACOMP] = 1.0F;
+ }
+ break;
+ case GL_RED:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0.0F;
+ rgba[i][BCOMP] = 0.0F;
+ rgba[i][ACOMP] = 1.0F;
+ }
+ break;
+
+ default:
+ /* no-op */
+ ;
+ }
+}
+
+
+/**
+ * As above, but GLuint components.
+ */
+void
+_mesa_rebase_rgba_uint(GLuint n, GLuint rgba[][4], GLenum baseFormat)
+{
+ GLuint i;
+
+ switch (baseFormat) {
+ case GL_ALPHA:
+ for (i = 0; i < n; i++) {
+ rgba[i][RCOMP] = 0;
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ }
+ break;
+ case GL_INTENSITY:
+ /* fall-through */
+ case GL_LUMINANCE:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ rgba[i][ACOMP] = 1;
+ }
+ break;
+ case GL_LUMINANCE_ALPHA:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ }
+ break;
+ case GL_RGB:
+ for (i = 0; i < n; i++) {
+ rgba[i][ACOMP] = 1;
+ }
+ break;
+ case GL_RG:
+ for (i = 0; i < n; i++) {
+ rgba[i][BCOMP] = 0;
+ rgba[i][ACOMP] = 1;
+ }
+ break;
+ case GL_RED:
+ for (i = 0; i < n; i++) {
+ rgba[i][GCOMP] = 0;
+ rgba[i][BCOMP] = 0;
+ rgba[i][ACOMP] = 1;
+ }
+ default:
+ /* no-op */
+ ;
+ }
+}
+
+
projects / mesa.git / blobdiff