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path: root/hw/dmx/glxProxy/render2swap.c
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Diffstat (limited to 'hw/dmx/glxProxy/render2swap.c')
-rw-r--r--hw/dmx/glxProxy/render2swap.c286
1 files changed, 286 insertions, 0 deletions
diff --git a/hw/dmx/glxProxy/render2swap.c b/hw/dmx/glxProxy/render2swap.c
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index 0000000..81bb501
--- /dev/null
+++ b/hw/dmx/glxProxy/render2swap.c
@@ -0,0 +1,286 @@
+/*
+ * 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 "glxserver.h"
+#include "unpack.h"
+#include "g_disptab.h"
+
+GLint __glEvalComputeK(GLenum target)
+{
+ switch (target) {
+ case GL_MAP1_VERTEX_4:
+ case GL_MAP1_COLOR_4:
+ case GL_MAP1_TEXTURE_COORD_4:
+ case GL_MAP2_VERTEX_4:
+ case GL_MAP2_COLOR_4:
+ case GL_MAP2_TEXTURE_COORD_4:
+ return 4;
+ case GL_MAP1_VERTEX_3:
+ case GL_MAP1_TEXTURE_COORD_3:
+ case GL_MAP1_NORMAL:
+ case GL_MAP2_VERTEX_3:
+ case GL_MAP2_TEXTURE_COORD_3:
+ case GL_MAP2_NORMAL:
+ return 3;
+ case GL_MAP1_TEXTURE_COORD_2:
+ case GL_MAP2_TEXTURE_COORD_2:
+ return 2;
+ case GL_MAP1_TEXTURE_COORD_1:
+ case GL_MAP2_TEXTURE_COORD_1:
+ case GL_MAP1_INDEX:
+ case GL_MAP2_INDEX:
+ return 1;
+ default:
+ return 0;
+ }
+}
+
+void __glXDispSwap_Map1f(GLbyte *pc)
+{
+ GLint order, k;
+ GLfloat u1, u2, *points;
+ GLenum target;
+ GLint compsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 0);
+ __GLX_SWAP_INT(pc + 12);
+ __GLX_SWAP_FLOAT(pc + 4);
+ __GLX_SWAP_FLOAT(pc + 8);
+
+ target = *(GLenum *)(pc + 0);
+ order = *(GLint *)(pc + 12);
+ u1 = *(GLfloat *)(pc + 4);
+ u2 = *(GLfloat *)(pc + 8);
+ points = (GLfloat *)(pc + 16);
+ k = __glEvalComputeK(target);
+
+ if (order <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = order * k;
+ }
+ __GLX_SWAP_FLOAT_ARRAY(points, compsize);
+
+}
+
+void __glXDispSwap_Map2f(GLbyte *pc)
+{
+ GLint uorder, vorder, ustride, vstride, k;
+ GLfloat u1, u2, v1, v2, *points;
+ GLenum target;
+ GLint compsize;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 0);
+ __GLX_SWAP_INT(pc + 12);
+ __GLX_SWAP_INT(pc + 24);
+ __GLX_SWAP_FLOAT(pc + 4);
+ __GLX_SWAP_FLOAT(pc + 8);
+ __GLX_SWAP_FLOAT(pc + 16);
+ __GLX_SWAP_FLOAT(pc + 20);
+
+ target = *(GLenum *)(pc + 0);
+ uorder = *(GLint *)(pc + 12);
+ vorder = *(GLint *)(pc + 24);
+ u1 = *(GLfloat *)(pc + 4);
+ u2 = *(GLfloat *)(pc + 8);
+ v1 = *(GLfloat *)(pc + 16);
+ v2 = *(GLfloat *)(pc + 20);
+ points = (GLfloat *)(pc + 28);
+
+ k = __glEvalComputeK(target);
+ ustride = vorder * k;
+ vstride = k;
+
+ if (vorder <= 0 || uorder <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = uorder * vorder * k;
+ }
+ __GLX_SWAP_FLOAT_ARRAY(points, compsize);
+
+}
+
+void __glXDispSwap_Map1d(GLbyte *pc)
+{
+ GLint order, k, compsize;
+ GLenum target;
+ GLdouble u1, u2, *points;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_DOUBLE(pc + 0);
+ __GLX_SWAP_DOUBLE(pc + 8);
+ __GLX_SWAP_INT(pc + 16);
+ __GLX_SWAP_INT(pc + 20);
+
+ target = *(GLenum*) (pc + 16);
+ order = *(GLint*) (pc + 20);
+ k = __glEvalComputeK(target);
+ if (order <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = order * k;
+ }
+ __GLX_GET_DOUBLE(u1,pc);
+ __GLX_GET_DOUBLE(u2,pc+8);
+ __GLX_SWAP_DOUBLE_ARRAY(pc+24, compsize);
+ pc += 24;
+
+#ifdef __GLX_ALIGN64
+ if (((unsigned long)pc) & 7) {
+ /*
+ ** Copy the doubles up 4 bytes, trashing the command but aligning
+ ** the data in the process
+ */
+ __GLX_MEM_COPY(pc-4, pc, compsize*8);
+ points = (GLdouble*) (pc - 4);
+ } else {
+ points = (GLdouble*) pc;
+ }
+#else
+ points = (GLdouble*) pc;
+#endif
+}
+
+void __glXDispSwap_Map2d(GLbyte *pc)
+{
+ GLdouble u1, u2, v1, v2, *points;
+ GLint uorder, vorder, ustride, vstride, k, compsize;
+ GLenum target;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_DOUBLE(pc + 0);
+ __GLX_SWAP_DOUBLE(pc + 8);
+ __GLX_SWAP_DOUBLE(pc + 16);
+ __GLX_SWAP_DOUBLE(pc + 24);
+ __GLX_SWAP_INT(pc + 32);
+ __GLX_SWAP_INT(pc + 36);
+ __GLX_SWAP_INT(pc + 40);
+
+ target = *(GLenum *)(pc + 32);
+ uorder = *(GLint *)(pc + 36);
+ vorder = *(GLint *)(pc + 40);
+ k = __glEvalComputeK(target);
+ if (vorder <= 0 || uorder <= 0 || k < 0) {
+ /* Erroneous command. */
+ compsize = 0;
+ } else {
+ compsize = uorder * vorder * k;
+ }
+ __GLX_GET_DOUBLE(u1,pc);
+ __GLX_GET_DOUBLE(u2,pc+8);
+ __GLX_GET_DOUBLE(v1,pc+16);
+ __GLX_GET_DOUBLE(v2,pc+24);
+ __GLX_SWAP_DOUBLE_ARRAY(pc+44, compsize);
+ pc += 44;
+ ustride = vorder * k;
+ vstride = k;
+
+#ifdef __GLX_ALIGN64
+ if (((unsigned long)pc) & 7) {
+ /*
+ ** Copy the doubles up 4 bytes, trashing the command but aligning
+ ** the data in the process
+ */
+ __GLX_MEM_COPY(pc-4, pc, compsize*8);
+ points = (GLdouble*) (pc - 4);
+ } else {
+ points = (GLdouble*) pc;
+ }
+#else
+ points = (GLdouble*) pc;
+#endif
+}
+
+void __glXDispSwap_CallLists(GLbyte *pc)
+{
+ GLenum type;
+ GLsizei n;
+ __GLX_DECLARE_SWAP_VARIABLES;
+ __GLX_DECLARE_SWAP_ARRAY_VARIABLES;
+
+ __GLX_SWAP_INT(pc + 4);
+ __GLX_SWAP_INT(pc + 0);
+ type = *(GLenum *)(pc + 4);
+ n = *(GLsizei *)(pc + 0);
+
+ switch (type) {
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ case GL_2_BYTES:
+ case GL_3_BYTES:
+ case GL_4_BYTES:
+ break;
+ case GL_SHORT:
+ case GL_UNSIGNED_SHORT:
+ __GLX_SWAP_SHORT_ARRAY(pc+8, n);
+ break;
+ case GL_INT:
+ case GL_UNSIGNED_INT:
+ __GLX_SWAP_INT_ARRAY(pc+8, n);
+ break;
+ case GL_FLOAT:
+ __GLX_SWAP_FLOAT_ARRAY(pc+8, n);
+ break;
+ }
+
+}
+
+void __glXDispSwap_DrawArrays(GLbyte *pc)
+{
+ __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
+ __GLXdispatchDrawArraysComponentHeader *compHeader;
+ int i;
+ __GLX_DECLARE_SWAP_VARIABLES;
+
+ __GLX_SWAP_INT(&hdr->numVertexes);
+ __GLX_SWAP_INT(&hdr->numComponents);
+ __GLX_SWAP_INT(&hdr->primType);
+
+ pc += sizeof(__GLXdispatchDrawArraysHeader);
+ compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
+
+ /* compute stride (same for all component arrays) */
+ for (i=0; i<hdr->numComponents; i++) {
+ __GLX_SWAP_INT(&compHeader[i].datatype);
+ __GLX_SWAP_INT(&compHeader[i].numVals);
+ __GLX_SWAP_INT(&compHeader[i].component);
+
+ }
+
+}
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