1 /**************************************************************************
3 * Copyright 2009, VMware, Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
28 * Author: Keith Whitwell <keithw@vmware.com>
29 * Author: Jakob Bornecrantz <wallbraker@gmail.com>
35 #include "dri_screen.h"
37 #include "util/u_inlines.h"
38 #include "pipe/p_screen.h"
39 #include "pipe/p_format.h"
40 #include "state_tracker/st_gl_api.h" /* for st_gl_api_create */
42 #include "util/u_debug.h"
44 PUBLIC const char __driConfigOptions[] =
45 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
46 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
47 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
48 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
49 /* DRI_CONF_FORCE_S3TC_ENABLE(false) */
50 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
51 DRI_CONF_SECTION_END DRI_CONF_END;
53 static const uint __driNConfigOptions = 3;
55 static const __DRIconfig **
56 dri_fill_in_modes(struct dri_screen *screen,
59 __DRIconfig **configs = NULL;
60 __DRIconfig **configs_r5g6b5 = NULL;
61 __DRIconfig **configs_a8r8g8b8 = NULL;
62 __DRIconfig **configs_x8r8g8b8 = NULL;
63 uint8_t depth_bits_array[5];
64 uint8_t stencil_bits_array[5];
65 uint8_t msaa_samples_array[5];
66 unsigned depth_buffer_factor;
67 unsigned back_buffer_factor;
68 unsigned msaa_samples_factor;
70 struct pipe_screen *p_screen = screen->base.screen;
71 boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
72 boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
74 static const GLenum back_buffer_modes[] = {
75 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
78 depth_bits_array[0] = 0;
79 stencil_bits_array[0] = 0;
80 depth_buffer_factor = 1;
82 pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
84 PIPE_BIND_DEPTH_STENCIL);
85 pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
87 PIPE_BIND_DEPTH_STENCIL);
88 pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
90 PIPE_BIND_DEPTH_STENCIL);
91 pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
93 PIPE_BIND_DEPTH_STENCIL);
94 pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
96 PIPE_BIND_RENDER_TARGET);
97 pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
99 PIPE_BIND_RENDER_TARGET);
100 pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
102 PIPE_BIND_RENDER_TARGET);
104 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
105 if (dri_with_format(screen->sPriv)) {
106 pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
108 PIPE_BIND_DEPTH_STENCIL);
109 pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
111 PIPE_BIND_DEPTH_STENCIL);
118 depth_bits_array[depth_buffer_factor] = 16;
119 stencil_bits_array[depth_buffer_factor++] = 0;
121 if (pf_x8z24 || pf_z24x8) {
122 depth_bits_array[depth_buffer_factor] = 24;
123 stencil_bits_array[depth_buffer_factor++] = 0;
124 screen->d_depth_bits_last = pf_x8z24;
126 if (pf_s8z24 || pf_z24s8) {
127 depth_bits_array[depth_buffer_factor] = 24;
128 stencil_bits_array[depth_buffer_factor++] = 8;
129 screen->sd_depth_bits_last = pf_s8z24;
132 depth_bits_array[depth_buffer_factor] = 32;
133 stencil_bits_array[depth_buffer_factor++] = 0;
136 msaa_samples_array[0] = 0;
137 back_buffer_factor = 3;
139 /* also test color for msaa 2/4/6/8 - just assume it'll work for all depth buffers */
141 msaa_samples_factor = 1;
142 for (i = 1; i < 5; i++) {
143 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
144 PIPE_TEXTURE_2D, i*2,
145 PIPE_BIND_RENDER_TARGET)) {
146 msaa_samples_array[msaa_samples_factor] = i * 2;
147 msaa_samples_factor++;
151 configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
152 depth_bits_array, stencil_bits_array,
153 depth_buffer_factor, back_buffer_modes,
155 msaa_samples_array, msaa_samples_factor,
160 msaa_samples_factor = 1;
161 for (i = 1; i < 5; i++) {
162 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
163 PIPE_TEXTURE_2D, i*2,
164 PIPE_BIND_RENDER_TARGET)) {
165 msaa_samples_array[msaa_samples_factor] = i * 2;
166 msaa_samples_factor++;
170 configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
182 msaa_samples_factor = 1;
183 for (i = 1; i < 5; i++) {
184 if (p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
185 PIPE_TEXTURE_2D, i*2,
186 PIPE_BIND_RENDER_TARGET)) {
187 msaa_samples_array[msaa_samples_factor] = i * 2;
188 msaa_samples_factor++;
192 configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
203 if (pixel_bits == 16) {
204 configs = configs_r5g6b5;
205 if (configs_a8r8g8b8)
206 configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8;
207 if (configs_x8r8g8b8)
208 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
210 configs = configs_a8r8g8b8;
211 if (configs_x8r8g8b8)
212 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
214 configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5;
217 if (configs == NULL) {
218 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
222 return (const __DRIconfig **)configs;
226 * Roughly the converse of dri_fill_in_modes.
229 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
230 const struct gl_config *mode)
232 memset(stvis, 0, sizeof(*stvis));
237 stvis->samples = mode->samples;
239 if (mode->redBits == 8) {
240 if (mode->alphaBits == 8)
241 stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
243 stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
245 stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
248 switch (mode->depthBits) {
251 stvis->depth_stencil_format = PIPE_FORMAT_NONE;
254 stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
257 if (mode->stencilBits == 0) {
258 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
259 PIPE_FORMAT_Z24X8_UNORM:
260 PIPE_FORMAT_X8Z24_UNORM;
262 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
263 PIPE_FORMAT_Z24_UNORM_S8_USCALED:
264 PIPE_FORMAT_S8_USCALED_Z24_UNORM;
268 stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
272 stvis->accum_format = (mode->haveAccumBuffer) ?
273 PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
275 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
276 stvis->render_buffer = ST_ATTACHMENT_FRONT_LEFT;
277 if (mode->doubleBufferMode) {
278 stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
279 stvis->render_buffer = ST_ATTACHMENT_BACK_LEFT;
281 if (mode->stereoMode) {
282 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
283 if (mode->doubleBufferMode)
284 stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
287 if (mode->haveDepthBuffer || mode->haveStencilBuffer)
288 stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
289 /* let the state tracker allocate the accum buffer */
293 dri_get_egl_image(struct st_manager *smapi,
295 struct st_egl_image *stimg)
297 struct dri_screen *screen = (struct dri_screen *)smapi;
298 __DRIimage *img = NULL;
300 if (screen->lookup_egl_image) {
301 img = screen->lookup_egl_image(screen, egl_image);
307 stimg->texture = NULL;
308 pipe_resource_reference(&stimg->texture, img->texture);
309 stimg->level = img->level;
310 stimg->layer = img->layer;
316 dri_get_param(struct st_manager *smapi,
317 enum st_manager_param param)
319 struct dri_screen *screen = (struct dri_screen *)smapi;
322 case ST_MANAGER_BROKEN_INVALIDATE:
323 return screen->broken_invalidate;
330 dri_destroy_option_cache(struct dri_screen * screen)
334 if (screen->optionCache.info) {
335 for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
336 FREE(screen->optionCache.info[i].name);
337 FREE(screen->optionCache.info[i].ranges);
339 FREE(screen->optionCache.info);
342 FREE(screen->optionCache.values);
346 dri_destroy_screen_helper(struct dri_screen * screen)
348 if (screen->st_api && screen->st_api->destroy)
349 screen->st_api->destroy(screen->st_api);
351 if (screen->base.screen)
352 screen->base.screen->destroy(screen->base.screen);
354 dri_destroy_option_cache(screen);
358 dri_destroy_screen(__DRIscreen * sPriv)
360 struct dri_screen *screen = dri_screen(sPriv);
362 dri_destroy_screen_helper(screen);
365 sPriv->private = NULL;
366 sPriv->extensions = NULL;
370 dri_init_screen_helper(struct dri_screen *screen,
371 struct pipe_screen *pscreen,
374 screen->base.screen = pscreen;
375 if (!screen->base.screen) {
376 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
380 screen->base.get_egl_image = dri_get_egl_image;
381 screen->base.get_param = dri_get_param;
383 screen->st_api = st_gl_api_create();
387 if(pscreen->get_param(pscreen, PIPE_CAP_NPOT_TEXTURES))
388 screen->target = PIPE_TEXTURE_2D;
390 screen->target = PIPE_TEXTURE_RECT;
392 driParseOptionInfo(&screen->optionCache,
393 __driConfigOptions, __driNConfigOptions);
395 return dri_fill_in_modes(screen, pixel_bits);
398 /* vim: set sw=3 ts=8 sts=3 expandtab: */