- switch (type) {
- case GL_UNSIGNED_BYTE:
- {
- GLubyte *dst = (GLubyte *) destination;
- PACK_MACRO(GLubyte);
- }
- break;
- case GL_BYTE:
- {
- GLbyte *dst = (GLbyte *) destination;
- PACK_MACRO(GLbyte);
- }
- break;
- case GL_UNSIGNED_SHORT:
- {
- GLushort *dst = (GLushort *) destination;
- PACK_MACRO(GLushort);
- if (packing->SwapBytes) {
- _mesa_swap2(dst, n * comps);
- }
- }
- break;
- case GL_SHORT:
- {
- GLshort *dst = (GLshort *) destination;
- PACK_MACRO(GLshort);
- if (packing->SwapBytes) {
- _mesa_swap2((GLushort *) dst, n * comps);
- }
- }
- break;
- case GL_UNSIGNED_INT:
- {
- GLuint *dst = (GLuint *) destination;
- PACK_MACRO(GLuint);
- if (packing->SwapBytes) {
- _mesa_swap4(dst, n * comps);
- }
- }
- break;
- case GL_INT:
- {
- GLint *dst = (GLint *) destination;
- PACK_MACRO(GLint);
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, n * comps);
- }
- }
- break;
- case GL_FLOAT:
- {
- GLfloat *dst = (GLfloat *) destination;
- PACK_MACRO(GLfloat);
- if (packing->SwapBytes) {
- _mesa_swap4((GLuint *) dst, n * comps);
- }
- }
- break;
- case GL_UNSIGNED_BYTE_3_3_2:
- if (format == GL_RGB) {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x7) << 5)
- | ((rgba[i][GCOMP] & 0x7) << 2)
- | ((rgba[i][BCOMP] & 0x3) );
- }
- }
- else {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x7) << 5)
- | ((rgba[i][GCOMP] & 0x7) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- break;
- case GL_UNSIGNED_BYTE_2_3_3_REV:
- if (format == GL_RGB) {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3) << 6)
- | ((rgba[i][GCOMP] & 0x7) << 3)
- | ((rgba[i][BCOMP] & 0x7) );
- }
- }
- else {
- GLubyte *dst = (GLubyte *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x3) << 6)
- | ((rgba[i][GCOMP] & 0x7) << 3)
- | ((rgba[i][RCOMP] & 0x7) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_6_5:
- if (format == GL_RGB) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][BCOMP] & 0x1f) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][RCOMP] & 0x1f) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_6_5_REV:
- if (format == GL_RGB) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][RCOMP] & 0x1f) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_BGR);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x3f) << 5)
- | ((rgba[i][BCOMP] & 0x1f) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_4_4_4_4:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][BCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][RCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][BCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][RCOMP] & 0xf) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_4_4_4_4_REV:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][BCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][RCOMP] & 0xf) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xf) << 12)
- | ((rgba[i][RCOMP] & 0xf) << 8)
- | ((rgba[i][GCOMP] & 0xf) << 4)
- | ((rgba[i][BCOMP] & 0xf) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xf) << 12)
- | ((rgba[i][GCOMP] & 0xf) << 8)
- | ((rgba[i][BCOMP] & 0xf) << 4)
- | ((rgba[i][ACOMP] & 0xf) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_5_5_5_1:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][BCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][RCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][BCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][RCOMP] & 0x1) );
- }
- }
- break;
- case GL_UNSIGNED_SHORT_1_5_5_5_REV:
- if (format == GL_RGBA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][BCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][RCOMP] & 0x1) );
- }
- }
- else if (format == GL_BGRA) {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x1f) << 11)
- | ((rgba[i][RCOMP] & 0x1f) << 6)
- | ((rgba[i][GCOMP] & 0x1f) << 1)
- | ((rgba[i][BCOMP] & 0x1) );
- }
- }
- else {
- GLushort *dst = (GLushort *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x1f) << 11)
- | ((rgba[i][GCOMP] & 0x1f) << 6)
- | ((rgba[i][BCOMP] & 0x1f) << 1)
- | ((rgba[i][ACOMP] & 0x1) );
- }
- }
- break;
- case GL_UNSIGNED_INT_8_8_8_8:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][BCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][RCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][BCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][RCOMP] & 0xff) );
- }
- }
- break;
- case GL_UNSIGNED_INT_8_8_8_8_REV:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][BCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][RCOMP] & 0xff) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0xff) << 24)
- | ((rgba[i][RCOMP] & 0xff) << 16)
- | ((rgba[i][GCOMP] & 0xff) << 8)
- | ((rgba[i][BCOMP] & 0xff) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0xff) << 24)
- | ((rgba[i][GCOMP] & 0xff) << 16)
- | ((rgba[i][BCOMP] & 0xff) << 8)
- | ((rgba[i][ACOMP] & 0xff) );
- }
- }
- break;
- case GL_UNSIGNED_INT_10_10_10_2:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][BCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][BCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][RCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][BCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- break;
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- if (format == GL_RGBA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][BCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][RCOMP] & 0x3) );
- }
- }
- else if (format == GL_BGRA) {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][ACOMP] & 0x3ff) << 22)
- | ((rgba[i][RCOMP] & 0x3ff) << 12)
- | ((rgba[i][GCOMP] & 0x3ff) << 2)
- | ((rgba[i][BCOMP] & 0x3) );
- }
- }
- else {
- GLuint *dst = (GLuint *) destination;
- GLuint i;
- ASSERT(format == GL_ABGR_EXT);
- for (i = 0; i < n; i++) {
- dst[i] = ((rgba[i][RCOMP] & 0x3ff) << 22)
- | ((rgba[i][GCOMP] & 0x3ff) << 12)
- | ((rgba[i][BCOMP] & 0x3ff) << 2)
- | ((rgba[i][ACOMP] & 0x3) );
- }
- }
- break;
- default:
- _mesa_problem(ctx, "Bad type in pack_histogram");
- }