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>
33 #ifndef __NOT_HAVE_DRM_H
38 #include "dri_screen.h"
39 #include "dri_context.h"
40 #include "dri_drawable.h"
41 #include "dri_st_api.h"
42 #include "dri1_helper.h"
43 #ifndef __NOT_HAVE_DRM_H
50 #include "util/u_inlines.h"
51 #include "pipe/p_screen.h"
52 #include "pipe/p_format.h"
54 #include "util/u_debug.h"
56 PUBLIC const char __driConfigOptions[] =
57 DRI_CONF_BEGIN DRI_CONF_SECTION_PERFORMANCE
58 DRI_CONF_FTHROTTLE_MODE(DRI_CONF_FTHROTTLE_IRQS)
59 DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_DEF_INTERVAL_0)
60 DRI_CONF_SECTION_END DRI_CONF_SECTION_QUALITY
61 /* DRI_CONF_FORCE_S3TC_ENABLE(false) */
62 DRI_CONF_ALLOW_LARGE_TEXTURES(1)
63 DRI_CONF_SECTION_END DRI_CONF_END;
65 static const uint __driNConfigOptions = 3;
67 static const __DRIconfig **
68 dri_fill_in_modes(struct dri_screen *screen,
71 __DRIconfig **configs = NULL;
72 __DRIconfig **configs_r5g6b5 = NULL;
73 __DRIconfig **configs_a8r8g8b8 = NULL;
74 __DRIconfig **configs_x8r8g8b8 = NULL;
76 uint8_t depth_bits_array[5];
77 uint8_t stencil_bits_array[5];
78 uint8_t msaa_samples_array[2];
79 unsigned depth_buffer_factor;
80 unsigned back_buffer_factor;
81 unsigned msaa_samples_factor;
82 struct pipe_screen *p_screen = screen->pipe_screen;
83 boolean pf_r5g6b5, pf_a8r8g8b8, pf_x8r8g8b8;
84 boolean pf_z16, pf_x8z24, pf_z24x8, pf_s8z24, pf_z24s8, pf_z32;
86 static const GLenum back_buffer_modes[] = {
87 GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
90 depth_bits_array[0] = 0;
91 stencil_bits_array[0] = 0;
92 depth_buffer_factor = 1;
94 pf_x8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24X8_UNORM,
96 PIPE_BIND_DEPTH_STENCIL, 0);
97 pf_z24x8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_X8Z24_UNORM,
99 PIPE_BIND_DEPTH_STENCIL, 0);
100 pf_s8z24 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z24_UNORM_S8_USCALED,
102 PIPE_BIND_DEPTH_STENCIL, 0);
103 pf_z24s8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_S8_USCALED_Z24_UNORM,
105 PIPE_BIND_DEPTH_STENCIL, 0);
106 pf_a8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8A8_UNORM,
108 PIPE_BIND_RENDER_TARGET, 0);
109 pf_x8r8g8b8 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B8G8R8X8_UNORM,
111 PIPE_BIND_RENDER_TARGET, 0);
112 pf_r5g6b5 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_B5G6R5_UNORM,
114 PIPE_BIND_RENDER_TARGET, 0);
116 /* We can only get a 16 or 32 bit depth buffer with getBuffersWithFormat */
117 if (dri_with_format(screen->sPriv)) {
118 pf_z16 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z16_UNORM,
120 PIPE_BIND_DEPTH_STENCIL, 0);
121 pf_z32 = p_screen->is_format_supported(p_screen, PIPE_FORMAT_Z32_UNORM,
123 PIPE_BIND_DEPTH_STENCIL, 0);
130 depth_bits_array[depth_buffer_factor] = 16;
131 stencil_bits_array[depth_buffer_factor++] = 0;
133 if (pf_x8z24 || pf_z24x8) {
134 depth_bits_array[depth_buffer_factor] = 24;
135 stencil_bits_array[depth_buffer_factor++] = 0;
136 screen->d_depth_bits_last = pf_x8z24;
138 if (pf_s8z24 || pf_z24s8) {
139 depth_bits_array[depth_buffer_factor] = 24;
140 stencil_bits_array[depth_buffer_factor++] = 8;
141 screen->sd_depth_bits_last = pf_s8z24;
144 depth_bits_array[depth_buffer_factor] = 32;
145 stencil_bits_array[depth_buffer_factor++] = 0;
148 msaa_samples_array[0] = 0;
149 msaa_samples_array[1] = 4;
150 back_buffer_factor = 3;
151 msaa_samples_factor = 2;
154 depth_buffer_factor * back_buffer_factor * msaa_samples_factor * 4;
157 configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
158 depth_bits_array, stencil_bits_array,
159 depth_buffer_factor, back_buffer_modes,
161 msaa_samples_array, msaa_samples_factor,
165 configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
176 configs_x8r8g8b8 = driCreateConfigs(GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV,
186 if (pixel_bits == 16) {
187 configs = configs_r5g6b5;
188 if (configs_a8r8g8b8)
189 configs = configs ? driConcatConfigs(configs, configs_a8r8g8b8) : configs_a8r8g8b8;
190 if (configs_x8r8g8b8)
191 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
193 configs = configs_a8r8g8b8;
194 if (configs_x8r8g8b8)
195 configs = configs ? driConcatConfigs(configs, configs_x8r8g8b8) : configs_x8r8g8b8;
197 configs = configs ? driConcatConfigs(configs, configs_r5g6b5) : configs_r5g6b5;
200 if (configs == NULL) {
201 debug_printf("%s: driCreateConfigs failed\n", __FUNCTION__);
205 return (const __DRIconfig **)configs;
209 * Roughly the converse of dri_fill_in_modes.
212 dri_fill_st_visual(struct st_visual *stvis, struct dri_screen *screen,
213 const __GLcontextModes *mode)
215 memset(stvis, 0, sizeof(*stvis));
217 stvis->samples = mode->samples;
218 stvis->render_buffer = ST_ATTACHMENT_INVALID;
220 if (mode->redBits == 8) {
221 if (mode->alphaBits == 8)
222 stvis->color_format = PIPE_FORMAT_B8G8R8A8_UNORM;
224 stvis->color_format = PIPE_FORMAT_B8G8R8X8_UNORM;
226 stvis->color_format = PIPE_FORMAT_B5G6R5_UNORM;
229 switch (mode->depthBits) {
232 stvis->depth_stencil_format = PIPE_FORMAT_NONE;
235 stvis->depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
238 if (mode->stencilBits == 0) {
239 stvis->depth_stencil_format = (screen->d_depth_bits_last) ?
240 PIPE_FORMAT_Z24X8_UNORM:
241 PIPE_FORMAT_X8Z24_UNORM;
243 stvis->depth_stencil_format = (screen->sd_depth_bits_last) ?
244 PIPE_FORMAT_Z24_UNORM_S8_USCALED:
245 PIPE_FORMAT_S8_USCALED_Z24_UNORM;
249 stvis->depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
253 stvis->accum_format = (mode->haveAccumBuffer) ?
254 PIPE_FORMAT_R16G16B16A16_SNORM : PIPE_FORMAT_NONE;
256 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_LEFT_MASK;
257 if (mode->doubleBufferMode)
258 stvis->buffer_mask |= ST_ATTACHMENT_BACK_LEFT_MASK;
259 if (mode->stereoMode) {
260 stvis->buffer_mask |= ST_ATTACHMENT_FRONT_RIGHT_MASK;
261 if (mode->doubleBufferMode)
262 stvis->buffer_mask |= ST_ATTACHMENT_BACK_RIGHT_MASK;
265 if (mode->haveDepthBuffer || mode->haveStencilBuffer)
266 stvis->buffer_mask |= ST_ATTACHMENT_DEPTH_STENCIL_MASK;
267 /* let the state tracker allocate the accum buffer */
270 #ifndef __NOT_HAVE_DRM_H
273 * Get information about previous buffer swaps.
276 dri_get_swap_info(__DRIdrawable * dPriv, __DRIswapInfo * sInfo)
278 if (dPriv == NULL || dPriv->driverPrivate == NULL || sInfo == NULL)
287 dri_destroy_option_cache(struct dri_screen * screen)
291 if (screen->optionCache.info) {
292 for (i = 0; i < (1 << screen->optionCache.tableSize); ++i) {
293 FREE(screen->optionCache.info[i].name);
294 FREE(screen->optionCache.info[i].ranges);
296 FREE(screen->optionCache.info);
299 FREE(screen->optionCache.values);
303 dri_destroy_screen_helper(struct dri_screen * screen)
305 dri1_destroy_pipe_context(screen);
308 dri_destroy_st_manager(screen->smapi);
310 if (screen->pipe_screen)
311 screen->pipe_screen->destroy(screen->pipe_screen);
313 dri_destroy_option_cache(screen);
317 dri_destroy_screen(__DRIscreen * sPriv)
319 struct dri_screen *screen = dri_screen(sPriv);
321 dri_destroy_screen_helper(screen);
324 sPriv->private = NULL;
325 sPriv->extensions = NULL;
329 dri_init_screen_helper(struct dri_screen *screen,
330 struct drm_create_screen_arg *arg,
333 screen->pipe_screen = screen->api->create_screen(screen->api, screen->fd, arg);
334 if (!screen->pipe_screen) {
335 debug_printf("%s: failed to create pipe_screen\n", __FUNCTION__);
339 screen->smapi = dri_create_st_manager(screen);
343 driParseOptionInfo(&screen->optionCache,
344 __driConfigOptions, __driNConfigOptions);
346 return dri_fill_in_modes(screen, pixel_bits);
350 * DRI driver virtual function table.
352 * DRI versions differ in their implementation of init_screen and swap_buffers.
354 const struct __DriverAPIRec driDriverAPI = {
355 .DestroyScreen = dri_destroy_screen,
356 .CreateContext = dri_create_context,
357 .DestroyContext = dri_destroy_context,
358 .CreateBuffer = dri_create_buffer,
359 .DestroyBuffer = dri_destroy_buffer,
360 .MakeCurrent = dri_make_current,
361 .UnbindContext = dri_unbind_context,
363 #ifndef __NOT_HAVE_DRM_H
365 .GetSwapInfo = dri_get_swap_info,
366 .GetDrawableMSC = driDrawableGetMSC32,
367 .WaitForMSC = driWaitForMSC32,
368 .InitScreen2 = dri2_init_screen,
370 .InitScreen = dri1_init_screen,
371 .SwapBuffers = dri1_swap_buffers,
372 .CopySubBuffer = dri1_copy_sub_buffer,
376 .InitScreen = drisw_init_screen,
377 .SwapBuffers = drisw_swap_buffers,
383 /* vim: set sw=3 ts=8 sts=3 expandtab: */