summaryrefslogtreecommitdiffstats
path: root/src/glx/renderpix.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/glx/renderpix.c')
-rw-r--r--src/glx/renderpix.c218
1 files changed, 218 insertions, 0 deletions
diff --git a/src/glx/renderpix.c b/src/glx/renderpix.c
new file mode 100644
index 00000000000..9919bbcde3b
--- /dev/null
+++ b/src/glx/renderpix.c
@@ -0,0 +1,218 @@
+/*
+ * 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.
+ */
+
+/*
+ * (C) Copyright IBM Corporation 2005
+ * 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, sub license,
+ * 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 NON-INFRINGEMENT. IN NO EVENT SHALL
+ * IBM,
+ * AND/OR THEIR SUPPLIERS 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.
+ */
+
+#include "packrender.h"
+#include "indirect.h"
+
+/**
+ * Send a large image to the server. If necessary, a buffer is allocated
+ * to hold the unpacked data that is copied from the clients memory.
+ *
+ * \param gc Current GLX context
+ * \param compsize Size, in bytes, of the image portion
+ * \param dim Number of dimensions of the image
+ * \param width Width of the image
+ * \param height Height of the image, must be 1 for 1D images
+ * \param depth Depth of the image, must be 1 for 1D or 2D images
+ * \param format Format of the image
+ * \param type Data type of the image
+ * \param src Pointer to the image data
+ * \param pc Pointer to end of the command header
+ * \param modes Pointer to the pixel unpack data
+ *
+ * \todo
+ * Modify this function so that \c NULL images are sent using
+ * \c __glXSendLargeChunk instead of __glXSendLargeCommand. Doing this
+ * will eliminate the need to allocate a buffer for that case.
+ *
+ * \bugs
+ * The \c fastImageUnpack path, which is thankfully never used, is completely
+ * broken.
+ */
+void
+__glXSendLargeImage(__GLXcontext * gc, GLint compsize, GLint dim,
+ GLint width, GLint height, GLint depth,
+ GLenum format, GLenum type, const GLvoid * src,
+ GLubyte * pc, GLubyte * modes)
+{
+ if (!gc->fastImageUnpack || (src == NULL)) {
+ /* Allocate a temporary holding buffer */
+ GLubyte *buf = (GLubyte *) Xmalloc(compsize);
+ if (!buf) {
+ __glXSetError(gc, GL_OUT_OF_MEMORY);
+ return;
+ }
+
+ /* Apply pixel store unpack modes to copy data into buf */
+ if (src != NULL) {
+ (*gc->fillImage) (gc, dim, width, height, depth, format, type,
+ src, buf, modes);
+ }
+ else {
+ if (dim < 3) {
+ (void) memcpy(modes, __glXDefaultPixelStore + 4, 20);
+ }
+ else {
+ (void) memcpy(modes, __glXDefaultPixelStore + 0, 36);
+ }
+ }
+
+ /* Send large command */
+ __glXSendLargeCommand(gc, gc->pc, pc - gc->pc, buf, compsize);
+
+ /* Free buffer */
+ Xfree((char *) buf);
+ }
+ else {
+ /* Just send the data straight as is */
+ __glXSendLargeCommand(gc, gc->pc, pc - gc->pc, pc, compsize);
+ }
+}
+
+/************************************************************************/
+
+/**
+ * Implement GLX protocol for \c glSeparableFilter2D.
+ *
+ * \bugs
+ * The \c fastImageUnpack path, which is thankfully never used, is completely
+ * broken.
+ */
+void
+__indirect_glSeparableFilter2D(GLenum target, GLenum internalformat,
+ GLsizei width, GLsizei height, GLenum format,
+ GLenum type, const GLvoid * row,
+ const GLvoid * column)
+{
+ __GLX_DECLARE_VARIABLES();
+ GLuint compsize2, hdrlen, totalhdrlen, image1len, image2len;
+
+ __GLX_LOAD_VARIABLES();
+ compsize = __glImageSize(width, 1, 1, format, type, 0);
+ compsize2 = __glImageSize(height, 1, 1, format, type, 0);
+ totalhdrlen = __GLX_PAD(__GLX_CONV_FILT_CMD_HDR_SIZE);
+ hdrlen = __GLX_PAD(__GLX_CONV_FILT_HDR_SIZE);
+ image1len = __GLX_PAD(compsize);
+ image2len = __GLX_PAD(compsize2);
+ cmdlen = totalhdrlen + image1len + image2len;
+ if (!gc->currentDpy)
+ return;
+
+ if (cmdlen <= gc->maxSmallRenderCommandSize) {
+ /* Use GLXRender protocol to send small command */
+ __GLX_BEGIN_VARIABLE_WITH_PIXEL(X_GLrop_SeparableFilter2D, cmdlen);
+ __GLX_PUT_LONG(0, target);
+ __GLX_PUT_LONG(4, internalformat);
+ __GLX_PUT_LONG(8, width);
+ __GLX_PUT_LONG(12, height);
+ __GLX_PUT_LONG(16, format);
+ __GLX_PUT_LONG(20, type);
+ pc += hdrlen;
+ if (compsize > 0) {
+ (*gc->fillImage) (gc, 1, width, 1, 1, format, type,
+ row, pc, pixelHeaderPC);
+ pc += image1len;
+ }
+ if (compsize2 > 0) {
+ (*gc->fillImage) (gc, 1, height, 1, 1, format, type,
+ column, pc, NULL);
+ pc += image2len;
+ }
+ if ((compsize == 0) && (compsize2 == 0)) {
+ /* Setup default store modes */
+ (void) memcpy(pixelHeaderPC, __glXDefaultPixelStore + 4, 20);
+ }
+ __GLX_END(0);
+ }
+ else {
+ const GLint bufsize = image1len + image2len;
+
+ /* Use GLXRenderLarge protocol to send command */
+ __GLX_BEGIN_VARIABLE_LARGE_WITH_PIXEL(X_GLrop_SeparableFilter2D,
+ cmdlen + 4);
+ __GLX_PUT_LONG(0, target);
+ __GLX_PUT_LONG(4, internalformat);
+ __GLX_PUT_LONG(8, width);
+ __GLX_PUT_LONG(12, height);
+ __GLX_PUT_LONG(16, format);
+ __GLX_PUT_LONG(20, type);
+ pc += hdrlen;
+
+ if (!gc->fastImageUnpack) {
+ /* Allocate a temporary holding buffer */
+ GLubyte *buf = (GLubyte *) Xmalloc(bufsize);
+ if (!buf) {
+ __glXSetError(gc, GL_OUT_OF_MEMORY);
+ return;
+ }
+ (*gc->fillImage) (gc, 1, width, 1, 1, format, type, row, buf,
+ pixelHeaderPC);
+
+ (*gc->fillImage) (gc, 1, height, 1, 1, format, type, column,
+ buf + image1len, pixelHeaderPC);
+
+ /* Send large command */
+ __glXSendLargeCommand(gc, gc->pc, (GLint) (pc - gc->pc), buf,
+ bufsize);
+ /* Free buffer */
+ Xfree((char *) buf);
+ }
+ else {
+ /* Just send the data straight as is */
+ __glXSendLargeCommand(gc, gc->pc, (GLint) (pc - gc->pc), pc,
+ bufsize);
+ }
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 20:44:17 +0000