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Diffstat (limited to 'src/glx/x11/pixel.c')
-rw-r--r--src/glx/x11/pixel.c461
1 files changed, 0 insertions, 461 deletions
diff --git a/src/glx/x11/pixel.c b/src/glx/x11/pixel.c
deleted file mode 100644
index d36ca31e7d..0000000000
--- a/src/glx/x11/pixel.c
+++ /dev/null
@@ -1,461 +0,0 @@
-/*
- * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
- * Copyright (C) 1991-2000 Silicon Graphics, 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 including the dates of first publication and
- * either this permission notice or a reference to
- * http://oss.sgi.com/projects/FreeB/
- * 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
- * SILICON GRAPHICS, INC. 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.
- *
- * Except as contained in this notice, the name of Silicon Graphics, Inc.
- * shall not be used in advertising or otherwise to promote the sale, use or
- * other dealings in this Software without prior written authorization from
- * Silicon Graphics, Inc.
- */
-
-#include "packrender.h"
-
-static const GLubyte MsbToLsbTable[256] = {
- 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
- 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
- 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
- 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
- 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
- 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
- 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
- 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
- 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
- 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
- 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
- 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
- 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
- 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
- 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
- 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
- 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
- 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
- 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
- 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
- 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
- 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
- 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
- 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
- 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
- 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
- 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
- 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
- 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
- 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
- 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
- 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff,
-};
-
-static const GLubyte LowBitsMask[9] = {
- 0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff,
-};
-
-static const GLubyte HighBitsMask[9] = {
- 0x00, 0x80, 0xc0, 0xe0, 0xf0, 0xf8, 0xfc, 0xfe, 0xff,
-};
-
-
-/*
-** Copy bitmap data from clients packed memory applying unpacking modes as the
-** data is transfered into the destImage buffer. Return in modes the
-** set of pixel modes that are to be done by the server.
-*/
-static void
-FillBitmap(__GLXcontext * gc, GLint width, GLint height,
- GLenum format, const GLvoid * userdata, GLubyte * destImage)
-{
- const __GLXattribute *state = gc->client_state_private;
- GLint rowLength = state->storeUnpack.rowLength;
- GLint alignment = state->storeUnpack.alignment;
- GLint skipPixels = state->storeUnpack.skipPixels;
- GLint skipRows = state->storeUnpack.skipRows;
- GLint lsbFirst = state->storeUnpack.lsbFirst;
- GLint elementsLeft, bitOffset, currentByte, nextByte, highBitMask;
- GLint lowBitMask, i;
- GLint components, groupsPerRow, rowSize, padding, elementsPerRow;
- const GLubyte *start, *iter;
-
- if (rowLength > 0) {
- groupsPerRow = rowLength;
- }
- else {
- groupsPerRow = width;
- }
- components = __glElementsPerGroup(format, GL_BITMAP);
- rowSize = (groupsPerRow * components + 7) >> 3;
- padding = (rowSize % alignment);
- if (padding) {
- rowSize += alignment - padding;
- }
- start = ((const GLubyte *) userdata) + skipRows * rowSize +
- ((skipPixels * components) >> 3);
- bitOffset = (skipPixels * components) & 7;
- highBitMask = LowBitsMask[8 - bitOffset];
- lowBitMask = HighBitsMask[bitOffset];
- elementsPerRow = width * components;
- for (i = 0; i < height; i++) {
- elementsLeft = elementsPerRow;
- iter = start;
- while (elementsLeft) {
- /* First retrieve low bits from current byte */
- if (lsbFirst) {
- currentByte = MsbToLsbTable[iter[0]];
- }
- else {
- currentByte = iter[0];
- }
- if (bitOffset) {
- /* Need to read next byte to finish current byte */
- if (elementsLeft > (8 - bitOffset)) {
- if (lsbFirst) {
- nextByte = MsbToLsbTable[iter[1]];
- }
- else {
- nextByte = iter[1];
- }
- currentByte =
- ((currentByte & highBitMask) << bitOffset) |
- ((nextByte & lowBitMask) >> (8 - bitOffset));
- }
- else {
- currentByte = ((currentByte & highBitMask) << bitOffset);
- }
- }
- if (elementsLeft >= 8) {
- *destImage = currentByte;
- elementsLeft -= 8;
- }
- else {
- *destImage = currentByte & HighBitsMask[elementsLeft];
- elementsLeft = 0;
- }
- destImage++;
- iter++;
- }
- start += rowSize;
- }
-}
-
-/*
-** Extract array from user's data applying all pixel store modes.
-** The internal packed array format used has LSB_FIRST = FALSE and
-** ALIGNMENT = 1.
-*/
-void
-__glFillImage(__GLXcontext * gc, GLint dim, GLint width, GLint height,
- GLint depth, GLenum format, GLenum type,
- const GLvoid * userdata, GLubyte * newimage, GLubyte * modes)
-{
- const __GLXattribute *state = gc->client_state_private;
- GLint rowLength = state->storeUnpack.rowLength;
- GLint imageHeight = state->storeUnpack.imageHeight;
- GLint alignment = state->storeUnpack.alignment;
- GLint skipPixels = state->storeUnpack.skipPixels;
- GLint skipRows = state->storeUnpack.skipRows;
- GLint skipImages = state->storeUnpack.skipImages;
- GLint swapBytes = state->storeUnpack.swapEndian;
- GLint components, elementSize, rowSize, padding, groupsPerRow, groupSize;
- GLint elementsPerRow, imageSize, rowsPerImage, h, i, j, k;
- const GLubyte *start, *iter, *itera, *iterb, *iterc;
- GLubyte *iter2;
-
- if (type == GL_BITMAP) {
- FillBitmap(gc, width, height, format, userdata, newimage);
- }
- else {
- components = __glElementsPerGroup(format, type);
- if (rowLength > 0) {
- groupsPerRow = rowLength;
- }
- else {
- groupsPerRow = width;
- }
- if (imageHeight > 0) {
- rowsPerImage = imageHeight;
- }
- else {
- rowsPerImage = height;
- }
-
- elementSize = __glBytesPerElement(type);
- groupSize = elementSize * components;
- if (elementSize == 1)
- swapBytes = 0;
-
- rowSize = groupsPerRow * groupSize;
- padding = (rowSize % alignment);
- if (padding) {
- rowSize += alignment - padding;
- }
- imageSize = rowSize * rowsPerImage;
- start = ((const GLubyte *) userdata) + skipImages * imageSize +
- skipRows * rowSize + skipPixels * groupSize;
- iter2 = newimage;
- elementsPerRow = width * components;
-
- if (swapBytes) {
- itera = start;
- for (h = 0; h < depth; h++) {
- iterb = itera;
- for (i = 0; i < height; i++) {
- iterc = iterb;
- for (j = 0; j < elementsPerRow; j++) {
- for (k = 1; k <= elementSize; k++) {
- iter2[k - 1] = iterc[elementSize - k];
- }
- iter2 += elementSize;
- iterc += elementSize;
- }
- iterb += rowSize;
- }
- itera += imageSize;
- }
- }
- else {
- itera = start;
- for (h = 0; h < depth; h++) {
- if (rowSize == elementsPerRow * elementSize) {
- /* Ha! This is mondo easy! */
- __GLX_MEM_COPY(iter2, itera,
- elementsPerRow * elementSize * height);
- iter2 += elementsPerRow * elementSize * height;
- }
- else {
- iter = itera;
- for (i = 0; i < height; i++) {
- __GLX_MEM_COPY(iter2, iter, elementsPerRow * elementSize);
- iter2 += elementsPerRow * elementSize;
- iter += rowSize;
- }
- }
- itera += imageSize;
- }
- }
- }
-
- /* Setup store modes that describe what we just did */
- if (modes) {
- if (dim < 3) {
- (void) memcpy(modes, __glXDefaultPixelStore + 4, 20);
- }
- else {
- (void) memcpy(modes, __glXDefaultPixelStore + 0, 36);
- }
- }
-}
-
-/*
-** Empty a bitmap in LSB_FIRST=GL_FALSE and ALIGNMENT=4 format packing it
-** into the clients memory using the pixel store PACK modes.
-*/
-static void
-EmptyBitmap(__GLXcontext * gc, GLint width, GLint height,
- GLenum format, const GLubyte * sourceImage, GLvoid * userdata)
-{
- const __GLXattribute *state = gc->client_state_private;
- GLint rowLength = state->storePack.rowLength;
- GLint alignment = state->storePack.alignment;
- GLint skipPixels = state->storePack.skipPixels;
- GLint skipRows = state->storePack.skipRows;
- GLint lsbFirst = state->storePack.lsbFirst;
- GLint components, groupsPerRow, rowSize, padding, elementsPerRow;
- GLint sourceRowSize, sourcePadding, sourceSkip;
- GLubyte *start, *iter;
- GLint elementsLeft, bitOffset, currentByte, highBitMask, lowBitMask;
- GLint writeMask, i;
- GLubyte writeByte;
-
- components = __glElementsPerGroup(format, GL_BITMAP);
- if (rowLength > 0) {
- groupsPerRow = rowLength;
- }
- else {
- groupsPerRow = width;
- }
-
- rowSize = (groupsPerRow * components + 7) >> 3;
- padding = (rowSize % alignment);
- if (padding) {
- rowSize += alignment - padding;
- }
- sourceRowSize = (width * components + 7) >> 3;
- sourcePadding = (sourceRowSize % 4);
- if (sourcePadding) {
- sourceSkip = 4 - sourcePadding;
- }
- else {
- sourceSkip = 0;
- }
- start = ((GLubyte *) userdata) + skipRows * rowSize +
- ((skipPixels * components) >> 3);
- bitOffset = (skipPixels * components) & 7;
- highBitMask = LowBitsMask[8 - bitOffset];
- lowBitMask = HighBitsMask[bitOffset];
- elementsPerRow = width * components;
- for (i = 0; i < height; i++) {
- elementsLeft = elementsPerRow;
- iter = start;
- writeMask = highBitMask;
- writeByte = 0;
- while (elementsLeft) {
- /* Set up writeMask (to write to current byte) */
- if (elementsLeft + bitOffset < 8) {
- /* Need to trim writeMask */
- writeMask &= HighBitsMask[bitOffset + elementsLeft];
- }
-
- if (lsbFirst) {
- currentByte = MsbToLsbTable[iter[0]];
- }
- else {
- currentByte = iter[0];
- }
-
- if (bitOffset) {
- writeByte |= (sourceImage[0] >> bitOffset);
- currentByte = (currentByte & ~writeMask) |
- (writeByte & writeMask);
- writeByte = (sourceImage[0] << (8 - bitOffset));
- }
- else {
- currentByte = (currentByte & ~writeMask) |
- (sourceImage[0] & writeMask);
- }
-
- if (lsbFirst) {
- iter[0] = MsbToLsbTable[currentByte];
- }
- else {
- iter[0] = currentByte;
- }
-
- if (elementsLeft >= 8) {
- elementsLeft -= 8;
- }
- else {
- elementsLeft = 0;
- }
- sourceImage++;
- iter++;
- writeMask = 0xff;
- }
- if (writeByte) {
- /* Some data left over that still needs writing */
- writeMask &= lowBitMask;
- if (lsbFirst) {
- currentByte = MsbToLsbTable[iter[0]];
- }
- else {
- currentByte = iter[0];
- }
- currentByte = (currentByte & ~writeMask) | (writeByte & writeMask);
- if (lsbFirst) {
- iter[0] = MsbToLsbTable[currentByte];
- }
- else {
- iter[0] = currentByte;
- }
- }
- start += rowSize;
- sourceImage += sourceSkip;
- }
-}
-
-/*
-** Insert array into user's data applying all pixel store modes.
-** The packed array format from the server is LSB_FIRST = FALSE,
-** SWAP_BYTES = the current pixel storage pack mode, and ALIGNMENT = 4.
-** Named __glEmptyImage() because it is the opposite of __glFillImage().
-*/
-/* ARGSUSED */
-void
-__glEmptyImage(__GLXcontext * gc, GLint dim, GLint width, GLint height,
- GLint depth, GLenum format, GLenum type,
- const GLubyte * sourceImage, GLvoid * userdata)
-{
- const __GLXattribute *state = gc->client_state_private;
- GLint rowLength = state->storePack.rowLength;
- GLint imageHeight = state->storePack.imageHeight;
- GLint alignment = state->storePack.alignment;
- GLint skipPixels = state->storePack.skipPixels;
- GLint skipRows = state->storePack.skipRows;
- GLint skipImages = state->storePack.skipImages;
- GLint components, elementSize, rowSize, padding, groupsPerRow, groupSize;
- GLint elementsPerRow, sourceRowSize, sourcePadding, h, i;
- GLint imageSize, rowsPerImage;
- GLubyte *start, *iter, *itera;
-
- if (type == GL_BITMAP) {
- EmptyBitmap(gc, width, height, format, sourceImage, userdata);
- }
- else {
- components = __glElementsPerGroup(format, type);
- if (rowLength > 0) {
- groupsPerRow = rowLength;
- }
- else {
- groupsPerRow = width;
- }
- if (imageHeight > 0) {
- rowsPerImage = imageHeight;
- }
- else {
- rowsPerImage = height;
- }
- elementSize = __glBytesPerElement(type);
- groupSize = elementSize * components;
- rowSize = groupsPerRow * groupSize;
- padding = (rowSize % alignment);
- if (padding) {
- rowSize += alignment - padding;
- }
- sourceRowSize = width * groupSize;
- sourcePadding = (sourceRowSize % 4);
- if (sourcePadding) {
- sourceRowSize += 4 - sourcePadding;
- }
- imageSize = sourceRowSize * rowsPerImage;
- start = ((GLubyte *) userdata) + skipImages * imageSize +
- skipRows * rowSize + skipPixels * groupSize;
- elementsPerRow = width * components;
-
- itera = start;
- for (h = 0; h < depth; h++) {
- if ((rowSize == sourceRowSize) && (sourcePadding == 0)) {
- /* Ha! This is mondo easy! */
- __GLX_MEM_COPY(itera, sourceImage,
- elementsPerRow * elementSize * height);
- sourceImage += elementsPerRow * elementSize * height;
- }
- else {
- iter = itera;
- for (i = 0; i < height; i++) {
- __GLX_MEM_COPY(iter, sourceImage,
- elementsPerRow * elementSize);
- sourceImage += sourceRowSize;
- iter += rowSize;
- }
- }
- itera += imageSize;
- }
- }
-}
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