[deb_xorg-server.git] / hw / dmx / glxProxy / render2swap.c

/*
 * 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"

static 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);

    }

}
Commit	Line	Data
a09e091a JB	1	/*
	2	* SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008)
	3	* Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved.
	4	*
	5	* Permission is hereby granted, free of charge, to any person obtaining a
	6	* copy of this software and associated documentation files (the "Software"),
	7	* to deal in the Software without restriction, including without limitation
	8	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	9	* and/or sell copies of the Software, and to permit persons to whom the
	10	* Software is furnished to do so, subject to the following conditions:
	11	*
	12	* The above copyright notice including the dates of first publication and
	13	* either this permission notice or a reference to
	14	* http://oss.sgi.com/projects/FreeB/
	15	* shall be included in all copies or substantial portions of the Software.
	16	*
	17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	18	* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	20	* SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
	21	* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
	22	* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	23	* SOFTWARE.
	24	*
	25	* Except as contained in this notice, the name of Silicon Graphics, Inc.
	26	* shall not be used in advertising or otherwise to promote the sale, use or
	27	* other dealings in this Software without prior written authorization from
	28	* Silicon Graphics, Inc.
	29	*/
	30
	31	#include "glxserver.h"
	32	#include "unpack.h"
	33	#include "g_disptab.h"
	34
	35	static GLint
	36	__glEvalComputeK(GLenum target)
	37	{
	38	switch (target) {
	39	case GL_MAP1_VERTEX_4:
	40	case GL_MAP1_COLOR_4:
	41	case GL_MAP1_TEXTURE_COORD_4:
	42	case GL_MAP2_VERTEX_4:
	43	case GL_MAP2_COLOR_4:
	44	case GL_MAP2_TEXTURE_COORD_4:
	45	return 4;
	46	case GL_MAP1_VERTEX_3:
	47	case GL_MAP1_TEXTURE_COORD_3:
	48	case GL_MAP1_NORMAL:
	49	case GL_MAP2_VERTEX_3:
	50	case GL_MAP2_TEXTURE_COORD_3:
	51	case GL_MAP2_NORMAL:
	52	return 3;
	53	case GL_MAP1_TEXTURE_COORD_2:
	54	case GL_MAP2_TEXTURE_COORD_2:
	55	return 2;
	56	case GL_MAP1_TEXTURE_COORD_1:
	57	case GL_MAP2_TEXTURE_COORD_1:
	58	case GL_MAP1_INDEX:
	59	case GL_MAP2_INDEX:
	60	return 1;
	61	default:
	62	return 0;
	63	}
	64	}
65
66	void
67	__glXDispSwap_Map1f(GLbyte * pc)
68	{
69	GLint order, k;
70	GLfloat u1, u2, *points;
71	GLenum target;
72	GLint compsize;
73
74	__GLX_DECLARE_SWAP_VARIABLES;
75	__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
76
77	__GLX_SWAP_INT(pc + 0);
78	__GLX_SWAP_INT(pc + 12);
79	__GLX_SWAP_FLOAT(pc + 4);
80	__GLX_SWAP_FLOAT(pc + 8);
81
82	target = (GLenum ) (pc + 0);
83	order = (GLint ) (pc + 12);
84	u1 = (GLfloat ) (pc + 4);
85	u2 = (GLfloat ) (pc + 8);
86	points = (GLfloat *) (pc + 16);
87	k = __glEvalComputeK(target);
88
89	if (order <= 0 \|\| k < 0) {
90	/* Erroneous command. */
91	compsize = 0;
92	}
93	else {
94	compsize = order * k;
95	}
96	__GLX_SWAP_FLOAT_ARRAY(points, compsize);
97
98	}
99
100	void
101	__glXDispSwap_Map2f(GLbyte * pc)
102	{
103	GLint uorder, vorder, ustride, vstride, k;
104	GLfloat u1, u2, v1, v2, *points;
105	GLenum target;
106	GLint compsize;
107
108	__GLX_DECLARE_SWAP_VARIABLES;
109	__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
110
111	__GLX_SWAP_INT(pc + 0);
112	__GLX_SWAP_INT(pc + 12);
113	__GLX_SWAP_INT(pc + 24);
114	__GLX_SWAP_FLOAT(pc + 4);
115	__GLX_SWAP_FLOAT(pc + 8);
116	__GLX_SWAP_FLOAT(pc + 16);
117	__GLX_SWAP_FLOAT(pc + 20);
118
119	target = (GLenum ) (pc + 0);
120	uorder = (GLint ) (pc + 12);
121	vorder = (GLint ) (pc + 24);
122	u1 = (GLfloat ) (pc + 4);
123	u2 = (GLfloat ) (pc + 8);
124	v1 = (GLfloat ) (pc + 16);
125	v2 = (GLfloat ) (pc + 20);
126	points = (GLfloat *) (pc + 28);
127
128	k = __glEvalComputeK(target);
129	ustride = vorder * k;
130	vstride = k;
131
132	if (vorder <= 0 \|\| uorder <= 0 \|\| k < 0) {
133	/* Erroneous command. */
134	compsize = 0;
135	}
136	else {
137	compsize = uorder * vorder * k;
138	}
139	__GLX_SWAP_FLOAT_ARRAY(points, compsize);
140
141	}
142
143	void
144	__glXDispSwap_Map1d(GLbyte * pc)
145	{
146	GLint order, k, compsize;
147	GLenum target;
148	GLdouble u1, u2, *points;
149
150	__GLX_DECLARE_SWAP_VARIABLES;
151	__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
152
153	__GLX_SWAP_DOUBLE(pc + 0);
154	__GLX_SWAP_DOUBLE(pc + 8);
155	__GLX_SWAP_INT(pc + 16);
156	__GLX_SWAP_INT(pc + 20);
157
158	target = (GLenum ) (pc + 16);
159	order = (GLint ) (pc + 20);
160	k = __glEvalComputeK(target);
161	if (order <= 0 \|\| k < 0) {
162	/* Erroneous command. */
163	compsize = 0;
164	}
165	else {
166	compsize = order * k;
167	}
168	__GLX_GET_DOUBLE(u1, pc);
169	__GLX_GET_DOUBLE(u2, pc + 8);
170	__GLX_SWAP_DOUBLE_ARRAY(pc + 24, compsize);
171	pc += 24;
172
173	#ifdef __GLX_ALIGN64
174	if (((unsigned long) pc) & 7) {
175	/*
176	** Copy the doubles up 4 bytes, trashing the command but aligning
177	** the data in the process
178	*/
179	__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
180	points = (GLdouble *) (pc - 4);
181	}
182	else {
183	points = (GLdouble *) pc;
184	}
185	#else
186	points = (GLdouble *) pc;
187	#endif
188	}
189
190	void
191	__glXDispSwap_Map2d(GLbyte * pc)
192	{
193	GLdouble u1, u2, v1, v2, *points;
194	GLint uorder, vorder, ustride, vstride, k, compsize;
195	GLenum target;
196
197	__GLX_DECLARE_SWAP_VARIABLES;
198	__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
199
200	__GLX_SWAP_DOUBLE(pc + 0);
201	__GLX_SWAP_DOUBLE(pc + 8);
202	__GLX_SWAP_DOUBLE(pc + 16);
203	__GLX_SWAP_DOUBLE(pc + 24);
204	__GLX_SWAP_INT(pc + 32);
205	__GLX_SWAP_INT(pc + 36);
206	__GLX_SWAP_INT(pc + 40);
207
208	target = (GLenum ) (pc + 32);
209	uorder = (GLint ) (pc + 36);
210	vorder = (GLint ) (pc + 40);
211	k = __glEvalComputeK(target);
212	if (vorder <= 0 \|\| uorder <= 0 \|\| k < 0) {
213	/* Erroneous command. */
214	compsize = 0;
215	}
216	else {
217	compsize = uorder * vorder * k;
218	}
219	__GLX_GET_DOUBLE(u1, pc);
220	__GLX_GET_DOUBLE(u2, pc + 8);
221	__GLX_GET_DOUBLE(v1, pc + 16);
222	__GLX_GET_DOUBLE(v2, pc + 24);
223	__GLX_SWAP_DOUBLE_ARRAY(pc + 44, compsize);
224	pc += 44;
225	ustride = vorder * k;
226	vstride = k;
227
228	#ifdef __GLX_ALIGN64
229	if (((unsigned long) pc) & 7) {
230	/*
231	** Copy the doubles up 4 bytes, trashing the command but aligning
232	** the data in the process
233	*/
234	__GLX_MEM_COPY(pc - 4, pc, compsize * 8);
235	points = (GLdouble *) (pc - 4);
236	}
237	else {
238	points = (GLdouble *) pc;
239	}
240	#else
241	points = (GLdouble *) pc;
242	#endif
243	}
244
245	void
246	__glXDispSwap_CallLists(GLbyte * pc)
247	{
248	GLenum type;
249	GLsizei n;
250
251	__GLX_DECLARE_SWAP_VARIABLES;
252	__GLX_DECLARE_SWAP_ARRAY_VARIABLES;
253
254	__GLX_SWAP_INT(pc + 4);
255	__GLX_SWAP_INT(pc + 0);
256	type = (GLenum ) (pc + 4);
257	n = (GLsizei ) (pc + 0);
258
259	switch (type) {
260	case GL_BYTE:
261	case GL_UNSIGNED_BYTE:
262	case GL_2_BYTES:
263	case GL_3_BYTES:
264	case GL_4_BYTES:
265	break;
266	case GL_SHORT:
267	case GL_UNSIGNED_SHORT:
268	__GLX_SWAP_SHORT_ARRAY(pc + 8, n);
269	break;
270	case GL_INT:
271	case GL_UNSIGNED_INT:
272	__GLX_SWAP_INT_ARRAY(pc + 8, n);
273	break;
274	case GL_FLOAT:
275	__GLX_SWAP_FLOAT_ARRAY(pc + 8, n);
276	break;
277	}
278
279	}
280
281	void
282	__glXDispSwap_DrawArrays(GLbyte * pc)
283	{
284	__GLXdispatchDrawArraysHeader hdr = (__GLXdispatchDrawArraysHeader ) pc;
285	__GLXdispatchDrawArraysComponentHeader *compHeader;
286	int i;
287
288	__GLX_DECLARE_SWAP_VARIABLES;
289
290	__GLX_SWAP_INT(&hdr->numVertexes);
291	__GLX_SWAP_INT(&hdr->numComponents);
292	__GLX_SWAP_INT(&hdr->primType);
293
294	pc += sizeof(__GLXdispatchDrawArraysHeader);
295	compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc;
296
297	/* compute stride (same for all component arrays) */
298	for (i = 0; i < hdr->numComponents; i++) {
299	__GLX_SWAP_INT(&compHeader[i].datatype);
300	__GLX_SWAP_INT(&compHeader[i].numVals);
301	__GLX_SWAP_INT(&compHeader[i].component);
302
303	}
304
305	}