[deb_xorg-server.git] / hw / xquartz / GL / visualConfigs.c

/*
 * Copyright (c) 2007, 2008 Apple Inc.
 * Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
 * Copyright (c) 2002 Greg Parker. All Rights Reserved.
 *
 * Portions of this file are copied from Mesa's xf86glx.c,
 * which contains the following copyright:
 *
 * Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
 * 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 and this permission notice 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
 * THE ABOVE LISTED COPYRIGHT HOLDER(S) 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.
 */

#ifdef HAVE_DIX_CONFIG_H
#include <dix-config.h>
#endif

#include "dri.h"

#include <OpenGL/OpenGL.h>
#include <OpenGL/gl.h>
#include <OpenGL/glext.h>
#include <OpenGL/CGLContext.h>

#include <GL/glxproto.h>
#include <windowstr.h>
#include <resource.h>
#include <GL/glxint.h>
#include <GL/glxtokens.h>
#include <scrnintstr.h>
#include <glxserver.h>
#include <glxscreens.h>
#include <glxdrawable.h>
#include <glxcontext.h>
#include <glxext.h>
#include <glxutil.h>
#include <GL/internal/glcore.h>

#include "capabilities.h"
#include "visualConfigs.h"
#include "darwinfb.h"

/* Based originally on code from indirect.c which was based on code from i830_dri.c. */
__GLXconfig *__glXAquaCreateVisualConfigs(int *numConfigsPtr, int screenNumber) {
    int numConfigs = 0;
    __GLXconfig *visualConfigs, *c;
    struct glCapabilities caps;
    struct glCapabilitiesConfig *conf;
    int stereo, depth, aux, buffers, stencil, accum, color, msample;

    if(getGlCapabilities(&caps)) {
        ErrorF("error from getGlCapabilities()!\n");
        return NULL;
    }

    /*
     conf->stereo is 0 or 1, but we need at least 1 iteration of the loop,
     so we treat a true conf->stereo as 2.

     The depth size is 0 or 24.  Thus we do 2 iterations for that.

     conf->aux_buffers (when available/non-zero) result in 2 iterations instead of 1.

     conf->buffers indicates whether we have single or double buffering.

     conf->total_stencil_bit_depths

     conf->total_color_buffers indicates the RGB/RGBA color depths.

     conf->total_accum_buffers iterations for accum (with at least 1 if equal to 0)

     conf->total_depth_buffer_depths

     conf->multisample_buffers iterations (with at least 1 if equal to 0).  We add 1
     for the 0 multisampling config.

     */

    assert(NULL != caps.configurations);

    numConfigs = 0;

    for(conf = caps.configurations; conf; conf = conf->next) {
        if(conf->total_color_buffers <= 0)
            continue;

        numConfigs += (conf->stereo ? 2 : 1)
	    * (conf->aux_buffers ? 2 : 1)
	    * conf->buffers
	    * ((conf->total_stencil_bit_depths > 0) ? conf->total_stencil_bit_depths : 1)
	    * conf->total_color_buffers
	    * ((conf->total_accum_buffers > 0) ? conf->total_accum_buffers : 1)
	    * conf->total_depth_buffer_depths
	    * (conf->multisample_buffers + 1);
    }

    if(numConfigsPtr)
        *numConfigsPtr = numConfigs;

    visualConfigs = calloc(sizeof(*visualConfigs), numConfigs);

    if(NULL == visualConfigs) {
        ErrorF("xcalloc failure when allocating visualConfigs\n");
        freeGlCapabilities(&caps);
        return NULL;
    }

    c = visualConfigs; /* current buffer */
    for(conf = caps.configurations; conf; conf = conf->next) {
        for(stereo = 0; stereo < (conf->stereo ? 2 : 1); ++stereo) {
            for(aux = 0; aux < (conf->aux_buffers ? 2 : 1); ++aux) {
                for(buffers = 0; buffers < conf->buffers; ++buffers) {
                    for(stencil = 0; stencil < ((conf->total_stencil_bit_depths > 0) ?
                                                conf->total_stencil_bit_depths : 1); ++stencil) {
                        for(color = 0; color < conf->total_color_buffers; ++color) {
                            for(accum = 0; accum < ((conf->total_accum_buffers > 0) ?
                                                    conf->total_accum_buffers : 1); ++accum) {
                                for(depth = 0; depth < conf->total_depth_buffer_depths; ++depth) {
                                    for(msample = 0; msample < (conf->multisample_buffers + 1); ++msample) {

                                        // Global
                                        c->visualID = -1;
                                        c->visualType = GLX_TRUE_COLOR;
                                        c->next = c + 1;

                                        c->level = 0;
                                        c->indexBits = 0;

                                        if(conf->accelerated) {
                                            c->visualRating = GLX_NONE;
                                        } else {
                                            c->visualRating = GLX_SLOW_VISUAL_EXT;
                                        }

                                        c->transparentPixel = GLX_NONE;
                                        c->transparentRed = GLX_NONE;
                                        c->transparentGreen = GLX_NONE;
                                        c->transparentBlue = GLX_NONE;
                                        c->transparentAlpha = GLX_NONE;
                                        c->transparentIndex = GLX_NONE;

                                        c->visualSelectGroup = 0;

                                        c->swapMethod = GLX_SWAP_UNDEFINED_OML;

                                        // Stereo
                                        c->stereoMode = stereo ? TRUE : FALSE;

                                        // Aux buffers
                                        c->numAuxBuffers = aux ? conf->aux_buffers : 0;

                                        // Double Buffered
                                        c->doubleBufferMode = buffers ? TRUE : FALSE;

                                        // Stencil Buffer
                                        if(conf->total_stencil_bit_depths > 0) {
                                            c->stencilBits = conf->stencil_bit_depths[stencil];
                                        } else {
                                            c->stencilBits = 0;
                                        }

                                        // Color
                                        if(GLCAPS_COLOR_BUF_INVALID_VALUE != conf->color_buffers[color].a) {
                                            c->alphaBits = conf->color_buffers[color].a;
                                        } else {
                                            c->alphaBits = 0;
                                        }
                                        c->redBits   = conf->color_buffers[color].r;
                                        c->greenBits = conf->color_buffers[color].g;
                                        c->blueBits  = conf->color_buffers[color].b;

                                        c->rgbBits = c->alphaBits + c->redBits + c->greenBits + c->blueBits;

                                        c->alphaMask = AM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
                                        c->redMask   = RM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
                                        c->greenMask = GM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
                                        c->blueMask  = BM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);

                                        // Accumulation Buffers
                                        if(conf->total_accum_buffers > 0) {
                                            c->accumRedBits = conf->accum_buffers[accum].r;
                                            c->accumGreenBits = conf->accum_buffers[accum].g;
                                            c->accumBlueBits = conf->accum_buffers[accum].b;
                                            if(GLCAPS_COLOR_BUF_INVALID_VALUE != conf->accum_buffers[accum].a) {
                                                c->accumAlphaBits = conf->accum_buffers[accum].a;
                                            } else {
                                                c->accumAlphaBits = 0;
                                            }
                                        } else {
                                            c->accumRedBits = 0;
                                            c->accumGreenBits = 0;
                                            c->accumBlueBits = 0;
                                            c->accumAlphaBits = 0;
                                        }

                                        // Depth
                                        c->depthBits = conf->depth_buffers[depth];

                                        // MultiSample
                                        if(msample > 0) {
                                            c->samples = conf->multisample_samples;
                                            c->sampleBuffers = conf->multisample_buffers;
                                        } else {
                                            c->samples = 0;
                                            c->sampleBuffers = 0;
                                        }

                                        /*
                                         * The Apple libGL supports GLXPixmaps and
                                         * GLXPbuffers in direct mode.
                                         */
                                        /* SGIX_fbconfig / GLX 1.3 */
                                        c->drawableType = GLX_WINDOW_BIT | GLX_PIXMAP_BIT | GLX_PBUFFER_BIT;
                                        c->renderType = GLX_RGBA_BIT;
                                        c->xRenderable = GL_TRUE;
                                        c->fbconfigID = -1;

                                        /* SGIX_pbuffer / GLX 1.3 */

                                        /*
                                         * The CGL layer provides a way of retrieving
                                         * the maximum pbuffer width/height, but only
                                         * if we create a context and call glGetIntegerv.
                                         *
                                         * The following values are from a test program
                                         * that does so.
                                         */
                                        c->maxPbufferWidth = 8192;
                                        c->maxPbufferHeight = 8192;
                                        c->maxPbufferPixels = /*Do we need this?*/ 0;
                                        /*
                                         * There is no introspection for this sort of thing
                                         * with CGL.  What should we do realistically?
                                         */
                                        c->optimalPbufferWidth = 0;
                                        c->optimalPbufferHeight = 0;

                                        /* EXT_texture_from_pixmap */
                                        c->bindToTextureRgb = 0;
                                        c->bindToTextureRgba = 0;
                                        c->bindToMipmapTexture = 0;
                                        c->bindToTextureTargets = 0;
                                        c->yInverted = 0;

                                        /* EXT_framebuffer_sRGB */
                                        c->sRGBCapable = GL_FALSE;

                                        c = c->next;
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }

    (c-1)->next = NULL;

    if (c - visualConfigs != numConfigs) {
        FatalError("numConfigs calculation error in setVisualConfigs!  numConfigs is %d  i is %d\n", numConfigs, (int)(c - visualConfigs));
    }

    freeGlCapabilities(&caps);
    return visualConfigs;
}
Commit	Line	Data
a09e091a JB	1	/*
	2	* Copyright (c) 2007, 2008 Apple Inc.
	3	* Copyright (c) 2004 Torrey T. Lyons. All Rights Reserved.
	4	* Copyright (c) 2002 Greg Parker. All Rights Reserved.
	5	*
	6	* Portions of this file are copied from Mesa's xf86glx.c,
	7	* which contains the following copyright:
	8	*
	9	* Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
	10	* All Rights Reserved.
	11	*
	12	* Permission is hereby granted, free of charge, to any person obtaining a
	13	* copy of this software and associated documentation files (the "Software"),
	14	* to deal in the Software without restriction, including without limitation
	15	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	16	* and/or sell copies of the Software, and to permit persons to whom the
	17	* Software is furnished to do so, subject to the following conditions:
	18	*
	19	* The above copyright notice and this permission notice shall be included in
	20	* all copies or substantial portions of the Software.
	21	*
	22	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	23	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	24	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	25	* THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
	26	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	27	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
	28	* DEALINGS IN THE SOFTWARE.
	29	*/
	30
	31	#ifdef HAVE_DIX_CONFIG_H
	32	#include <dix-config.h>
	33	#endif
	34
	35	#include "dri.h"
	36
	37	#include <OpenGL/OpenGL.h>
	38	#include <OpenGL/gl.h>
	39	#include <OpenGL/glext.h>
	40	#include <OpenGL/CGLContext.h>
	41
	42	#include <GL/glxproto.h>
	43	#include <windowstr.h>
	44	#include <resource.h>
	45	#include <GL/glxint.h>
	46	#include <GL/glxtokens.h>
	47	#include <scrnintstr.h>
	48	#include <glxserver.h>
	49	#include <glxscreens.h>
	50	#include <glxdrawable.h>
	51	#include <glxcontext.h>
	52	#include <glxext.h>
	53	#include <glxutil.h>
	54	#include <GL/internal/glcore.h>
	55
	56	#include "capabilities.h"
	57	#include "visualConfigs.h"
	58	#include "darwinfb.h"
	59
	60	/* Based originally on code from indirect.c which was based on code from i830_dri.c. */
	61	__GLXconfig __glXAquaCreateVisualConfigs(int numConfigsPtr, int screenNumber) {
	62	int numConfigs = 0;
	63	__GLXconfig visualConfigs, c;
	64	struct glCapabilities caps;
65	struct glCapabilitiesConfig *conf;
66	int stereo, depth, aux, buffers, stencil, accum, color, msample;
67
68	if(getGlCapabilities(&caps)) {
69	ErrorF("error from getGlCapabilities()!\n");
70	return NULL;
71	}
72
73	/*
74	conf->stereo is 0 or 1, but we need at least 1 iteration of the loop,
75	so we treat a true conf->stereo as 2.
76
77	The depth size is 0 or 24. Thus we do 2 iterations for that.
78
79	conf->aux_buffers (when available/non-zero) result in 2 iterations instead of 1.
80
81	conf->buffers indicates whether we have single or double buffering.
82
83	conf->total_stencil_bit_depths
84
85	conf->total_color_buffers indicates the RGB/RGBA color depths.
86
87	conf->total_accum_buffers iterations for accum (with at least 1 if equal to 0)
88
89	conf->total_depth_buffer_depths
90
91	conf->multisample_buffers iterations (with at least 1 if equal to 0). We add 1
92	for the 0 multisampling config.
93
94	*/
95
96	assert(NULL != caps.configurations);
97
98	numConfigs = 0;
99
100	for(conf = caps.configurations; conf; conf = conf->next) {
101	if(conf->total_color_buffers <= 0)
102	continue;
103
104	numConfigs += (conf->stereo ? 2 : 1)
105	* (conf->aux_buffers ? 2 : 1)
106	* conf->buffers
107	* ((conf->total_stencil_bit_depths > 0) ? conf->total_stencil_bit_depths : 1)
108	* conf->total_color_buffers
109	* ((conf->total_accum_buffers > 0) ? conf->total_accum_buffers : 1)
110	* conf->total_depth_buffer_depths
111	* (conf->multisample_buffers + 1);
112	}
113
114	if(numConfigsPtr)
115	*numConfigsPtr = numConfigs;
116
117	visualConfigs = calloc(sizeof(*visualConfigs), numConfigs);
118
119	if(NULL == visualConfigs) {
120	ErrorF("xcalloc failure when allocating visualConfigs\n");
121	freeGlCapabilities(&caps);
122	return NULL;
123	}
124
125	c = visualConfigs; /* current buffer */
126	for(conf = caps.configurations; conf; conf = conf->next) {
127	for(stereo = 0; stereo < (conf->stereo ? 2 : 1); ++stereo) {
128	for(aux = 0; aux < (conf->aux_buffers ? 2 : 1); ++aux) {
129	for(buffers = 0; buffers < conf->buffers; ++buffers) {
130	for(stencil = 0; stencil < ((conf->total_stencil_bit_depths > 0) ?
131	conf->total_stencil_bit_depths : 1); ++stencil) {
132	for(color = 0; color < conf->total_color_buffers; ++color) {
133	for(accum = 0; accum < ((conf->total_accum_buffers > 0) ?
134	conf->total_accum_buffers : 1); ++accum) {
135	for(depth = 0; depth < conf->total_depth_buffer_depths; ++depth) {
136	for(msample = 0; msample < (conf->multisample_buffers + 1); ++msample) {
137
138	// Global
139	c->visualID = -1;
140	c->visualType = GLX_TRUE_COLOR;
141	c->next = c + 1;
142
143	c->level = 0;
144	c->indexBits = 0;
145
146	if(conf->accelerated) {
147	c->visualRating = GLX_NONE;
148	} else {
149	c->visualRating = GLX_SLOW_VISUAL_EXT;
150	}
151
152	c->transparentPixel = GLX_NONE;
153	c->transparentRed = GLX_NONE;
154	c->transparentGreen = GLX_NONE;
155	c->transparentBlue = GLX_NONE;
156	c->transparentAlpha = GLX_NONE;
157	c->transparentIndex = GLX_NONE;
158
159	c->visualSelectGroup = 0;
160
161	c->swapMethod = GLX_SWAP_UNDEFINED_OML;
162
163	// Stereo
164	c->stereoMode = stereo ? TRUE : FALSE;
165
166	// Aux buffers
167	c->numAuxBuffers = aux ? conf->aux_buffers : 0;
168
169	// Double Buffered
170	c->doubleBufferMode = buffers ? TRUE : FALSE;
171
172	// Stencil Buffer
173	if(conf->total_stencil_bit_depths > 0) {
174	c->stencilBits = conf->stencil_bit_depths[stencil];
175	} else {
176	c->stencilBits = 0;
177	}
178
179	// Color
180	if(GLCAPS_COLOR_BUF_INVALID_VALUE != conf->color_buffers[color].a) {
181	c->alphaBits = conf->color_buffers[color].a;
182	} else {
183	c->alphaBits = 0;
184	}
185	c->redBits = conf->color_buffers[color].r;
186	c->greenBits = conf->color_buffers[color].g;
187	c->blueBits = conf->color_buffers[color].b;
188
189	c->rgbBits = c->alphaBits + c->redBits + c->greenBits + c->blueBits;
190
191	c->alphaMask = AM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
192	c->redMask = RM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
193	c->greenMask = GM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
194	c->blueMask = BM_ARGB(c->alphaBits, c->redBits, c->greenBits, c->blueBits);
195
196	// Accumulation Buffers
197	if(conf->total_accum_buffers > 0) {
198	c->accumRedBits = conf->accum_buffers[accum].r;
199	c->accumGreenBits = conf->accum_buffers[accum].g;
200	c->accumBlueBits = conf->accum_buffers[accum].b;
201	if(GLCAPS_COLOR_BUF_INVALID_VALUE != conf->accum_buffers[accum].a) {
202	c->accumAlphaBits = conf->accum_buffers[accum].a;
203	} else {
204	c->accumAlphaBits = 0;
205	}
206	} else {
207	c->accumRedBits = 0;
208	c->accumGreenBits = 0;
209	c->accumBlueBits = 0;
210	c->accumAlphaBits = 0;
211	}
212
213	// Depth
214	c->depthBits = conf->depth_buffers[depth];
215
216	// MultiSample
217	if(msample > 0) {
218	c->samples = conf->multisample_samples;
219	c->sampleBuffers = conf->multisample_buffers;
220	} else {
221	c->samples = 0;
222	c->sampleBuffers = 0;
223	}
224
225	/*
226	* The Apple libGL supports GLXPixmaps and
227	* GLXPbuffers in direct mode.
228	*/
229	/* SGIX_fbconfig / GLX 1.3 */
230	c->drawableType = GLX_WINDOW_BIT \| GLX_PIXMAP_BIT \| GLX_PBUFFER_BIT;
231	c->renderType = GLX_RGBA_BIT;
232	c->xRenderable = GL_TRUE;
233	c->fbconfigID = -1;
234
235	/* SGIX_pbuffer / GLX 1.3 */
236
237	/*
238	* The CGL layer provides a way of retrieving
239	* the maximum pbuffer width/height, but only
240	* if we create a context and call glGetIntegerv.
241	*
242	* The following values are from a test program
243	* that does so.
244	*/
245	c->maxPbufferWidth = 8192;
246	c->maxPbufferHeight = 8192;
247	c->maxPbufferPixels = /Do we need this?/ 0;
248	/*
249	* There is no introspection for this sort of thing
250	* with CGL. What should we do realistically?
251	*/
252	c->optimalPbufferWidth = 0;
253	c->optimalPbufferHeight = 0;
254
255	/* EXT_texture_from_pixmap */
256	c->bindToTextureRgb = 0;
257	c->bindToTextureRgba = 0;
258	c->bindToMipmapTexture = 0;
259	c->bindToTextureTargets = 0;
260	c->yInverted = 0;
261
262	/* EXT_framebuffer_sRGB */
263	c->sRGBCapable = GL_FALSE;
264
265	c = c->next;
266	}
267	}
268	}
269	}
270	}
271	}
272	}
273	}
274	}
275
276	(c-1)->next = NULL;
277
278	if (c - visualConfigs != numConfigs) {
279	FatalError("numConfigs calculation error in setVisualConfigs! numConfigs is %d i is %d\n", numConfigs, (int)(c - visualConfigs));
280	}
281
282	freeGlCapabilities(&caps);
283	return visualConfigs;
284	}