diff options
Diffstat (limited to 'src/gallium/state_trackers/egl/drm')
| -rw-r--r-- | src/gallium/state_trackers/egl/drm/modeset.c | 619 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/drm/native_drm.c | 240 | ||||
| -rw-r--r-- | src/gallium/state_trackers/egl/drm/native_drm.h | 146 |
3 files changed, 1005 insertions, 0 deletions
diff --git a/src/gallium/state_trackers/egl/drm/modeset.c b/src/gallium/state_trackers/egl/drm/modeset.c new file mode 100644 index 00000000000..5d6a07e2fdd --- /dev/null +++ b/src/gallium/state_trackers/egl/drm/modeset.c @@ -0,0 +1,619 @@ +/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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. + * + * Authors: + * Chia-I Wu <[email protected]> + */ + +#include "util/u_memory.h" +#include "util/u_inlines.h" +#include "egllog.h" + +#include "native_drm.h" + +static boolean +kms_surface_validate(struct native_surface *nsurf, uint attachment_mask, + unsigned int *seq_num, struct pipe_resource **textures, + int *width, int *height) +{ + struct kms_surface *ksurf = kms_surface(nsurf); + + if (!resource_surface_add_resources(ksurf->rsurf, attachment_mask)) + return FALSE; + if (textures) + resource_surface_get_resources(ksurf->rsurf, textures, attachment_mask); + + if (seq_num) + *seq_num = ksurf->sequence_number; + if (width) + *width = ksurf->width; + if (height) + *height = ksurf->height; + + return TRUE; +} + +/** + * Add textures as DRM framebuffers. + */ +static boolean +kms_surface_init_framebuffers(struct native_surface *nsurf, boolean need_back) +{ + struct kms_surface *ksurf = kms_surface(nsurf); + struct kms_display *kdpy = ksurf->kdpy; + int num_framebuffers = (need_back) ? 2 : 1; + int i, err; + + for (i = 0; i < num_framebuffers; i++) { + struct kms_framebuffer *fb; + enum native_attachment natt; + struct winsys_handle whandle; + uint block_bits; + + if (i == 0) { + fb = &ksurf->front_fb; + natt = NATIVE_ATTACHMENT_FRONT_LEFT; + } + else { + fb = &ksurf->back_fb; + natt = NATIVE_ATTACHMENT_BACK_LEFT; + } + + if (!fb->texture) { + /* make sure the texture has been allocated */ + resource_surface_add_resources(ksurf->rsurf, 1 << natt); + fb->texture = + resource_surface_get_single_resource(ksurf->rsurf, natt); + if (!fb->texture) + return FALSE; + } + + /* already initialized */ + if (fb->buffer_id) + continue; + + /* TODO detect the real value */ + fb->is_passive = TRUE; + + memset(&whandle, 0, sizeof(whandle)); + whandle.type = DRM_API_HANDLE_TYPE_KMS; + + if (!kdpy->base.screen->resource_get_handle(kdpy->base.screen, + fb->texture, &whandle)) + return FALSE; + + block_bits = util_format_get_blocksizebits(ksurf->color_format); + err = drmModeAddFB(kdpy->fd, ksurf->width, ksurf->height, + block_bits, block_bits, whandle.stride, whandle.handle, + &fb->buffer_id); + if (err) { + fb->buffer_id = 0; + return FALSE; + } + } + + return TRUE; +} + +static boolean +kms_surface_flush_frontbuffer(struct native_surface *nsurf) +{ +#ifdef DRM_MODE_FEATURE_DIRTYFB + struct kms_surface *ksurf = kms_surface(nsurf); + struct kms_display *kdpy = ksurf->kdpy; + + if (ksurf->front_fb.is_passive) + drmModeDirtyFB(kdpy->fd, ksurf->front_fb.buffer_id, NULL, 0); +#endif + + return TRUE; +} + +static boolean +kms_surface_swap_buffers(struct native_surface *nsurf) +{ + struct kms_surface *ksurf = kms_surface(nsurf); + struct kms_crtc *kcrtc = &ksurf->current_crtc; + struct kms_display *kdpy = ksurf->kdpy; + struct kms_framebuffer tmp_fb; + int err; + + if (!ksurf->back_fb.buffer_id) { + if (!kms_surface_init_framebuffers(&ksurf->base, TRUE)) + return FALSE; + } + + if (ksurf->is_shown && kcrtc->crtc) { + err = drmModeSetCrtc(kdpy->fd, kcrtc->crtc->crtc_id, + ksurf->back_fb.buffer_id, kcrtc->crtc->x, kcrtc->crtc->y, + kcrtc->connectors, kcrtc->num_connectors, &kcrtc->crtc->mode); + if (err) + return FALSE; + } + + /* swap the buffers */ + tmp_fb = ksurf->front_fb; + ksurf->front_fb = ksurf->back_fb; + ksurf->back_fb = tmp_fb; + + resource_surface_swap_buffers(ksurf->rsurf, + NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, FALSE); + /* the front/back textures are swapped */ + ksurf->sequence_number++; + kdpy->event_handler->invalid_surface(&kdpy->base, + &ksurf->base, ksurf->sequence_number); + + return TRUE; +} + +static void +kms_surface_wait(struct native_surface *nsurf) +{ + /* no-op */ +} + +static void +kms_surface_destroy(struct native_surface *nsurf) +{ + struct kms_surface *ksurf = kms_surface(nsurf); + + if (ksurf->current_crtc.crtc) + drmModeFreeCrtc(ksurf->current_crtc.crtc); + + if (ksurf->front_fb.buffer_id) + drmModeRmFB(ksurf->kdpy->fd, ksurf->front_fb.buffer_id); + pipe_resource_reference(&ksurf->front_fb.texture, NULL); + + if (ksurf->back_fb.buffer_id) + drmModeRmFB(ksurf->kdpy->fd, ksurf->back_fb.buffer_id); + pipe_resource_reference(&ksurf->back_fb.texture, NULL); + + resource_surface_destroy(ksurf->rsurf); + FREE(ksurf); +} + +static struct kms_surface * +kms_display_create_surface(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height) +{ + struct kms_display *kdpy = kms_display(ndpy); + struct kms_config *kconf = kms_config(nconf); + struct kms_surface *ksurf; + + ksurf = CALLOC_STRUCT(kms_surface); + if (!ksurf) + return NULL; + + ksurf->kdpy = kdpy; + ksurf->color_format = kconf->base.color_format; + ksurf->width = width; + ksurf->height = height; + + ksurf->rsurf = resource_surface_create(kdpy->base.screen, + ksurf->color_format, + PIPE_BIND_RENDER_TARGET | + PIPE_BIND_SAMPLER_VIEW | + PIPE_BIND_DISPLAY_TARGET | + PIPE_BIND_SCANOUT); + if (!ksurf->rsurf) { + FREE(ksurf); + return NULL; + } + + resource_surface_set_size(ksurf->rsurf, ksurf->width, ksurf->height); + + ksurf->base.destroy = kms_surface_destroy; + ksurf->base.swap_buffers = kms_surface_swap_buffers; + ksurf->base.flush_frontbuffer = kms_surface_flush_frontbuffer; + ksurf->base.validate = kms_surface_validate; + ksurf->base.wait = kms_surface_wait; + + return ksurf; +} + +/** + * Choose a CRTC that supports all given connectors. + */ +static uint32_t +kms_display_choose_crtc(struct native_display *ndpy, + uint32_t *connectors, int num_connectors) +{ + struct kms_display *kdpy = kms_display(ndpy); + int idx; + + for (idx = 0; idx < kdpy->resources->count_crtcs; idx++) { + boolean found_crtc = TRUE; + int i, j; + + for (i = 0; i < num_connectors; i++) { + drmModeConnectorPtr connector; + int encoder_idx = -1; + + connector = drmModeGetConnector(kdpy->fd, connectors[i]); + if (!connector) { + found_crtc = FALSE; + break; + } + + /* find an encoder the CRTC supports */ + for (j = 0; j < connector->count_encoders; j++) { + drmModeEncoderPtr encoder = + drmModeGetEncoder(kdpy->fd, connector->encoders[j]); + if (encoder->possible_crtcs & (1 << idx)) { + encoder_idx = j; + break; + } + drmModeFreeEncoder(encoder); + } + + drmModeFreeConnector(connector); + if (encoder_idx < 0) { + found_crtc = FALSE; + break; + } + } + + if (found_crtc) + break; + } + + if (idx >= kdpy->resources->count_crtcs) { + _eglLog(_EGL_WARNING, + "failed to find a CRTC that supports the given %d connectors", + num_connectors); + return 0; + } + + return kdpy->resources->crtcs[idx]; +} + +/** + * Remember the original CRTC status and set the CRTC + */ +static boolean +kms_display_set_crtc(struct native_display *ndpy, int crtc_idx, + uint32_t buffer_id, uint32_t x, uint32_t y, + uint32_t *connectors, int num_connectors, + drmModeModeInfoPtr mode) +{ + struct kms_display *kdpy = kms_display(ndpy); + struct kms_crtc *kcrtc = &kdpy->saved_crtcs[crtc_idx]; + uint32_t crtc_id; + int err; + + if (kcrtc->crtc) { + crtc_id = kcrtc->crtc->crtc_id; + } + else { + int count = 0, i; + + /* + * Choose the CRTC once. It could be more dynamic, but let's keep it + * simple for now. + */ + crtc_id = kms_display_choose_crtc(&kdpy->base, + connectors, num_connectors); + + /* save the original CRTC status */ + kcrtc->crtc = drmModeGetCrtc(kdpy->fd, crtc_id); + if (!kcrtc->crtc) + return FALSE; + + for (i = 0; i < kdpy->num_connectors; i++) { + struct kms_connector *kconn = &kdpy->connectors[i]; + drmModeConnectorPtr connector = kconn->connector; + drmModeEncoderPtr encoder; + + encoder = drmModeGetEncoder(kdpy->fd, connector->encoder_id); + if (encoder) { + if (encoder->crtc_id == crtc_id) { + kcrtc->connectors[count++] = connector->connector_id; + if (count >= Elements(kcrtc->connectors)) + break; + } + drmModeFreeEncoder(encoder); + } + } + + kcrtc->num_connectors = count; + } + + err = drmModeSetCrtc(kdpy->fd, crtc_id, buffer_id, x, y, + connectors, num_connectors, mode); + if (err) { + drmModeFreeCrtc(kcrtc->crtc); + kcrtc->crtc = NULL; + kcrtc->num_connectors = 0; + + return FALSE; + } + + return TRUE; +} + +static boolean +kms_display_program(struct native_display *ndpy, int crtc_idx, + struct native_surface *nsurf, uint x, uint y, + const struct native_connector **nconns, int num_nconns, + const struct native_mode *nmode) +{ + struct kms_display *kdpy = kms_display(ndpy); + struct kms_surface *ksurf = kms_surface(nsurf); + const struct kms_mode *kmode = kms_mode(nmode); + uint32_t connector_ids[32]; + uint32_t buffer_id; + drmModeModeInfo mode_tmp, *mode; + int i; + + if (num_nconns > Elements(connector_ids)) { + _eglLog(_EGL_WARNING, "too many connectors (%d)", num_nconns); + num_nconns = Elements(connector_ids); + } + + if (ksurf) { + if (!kms_surface_init_framebuffers(&ksurf->base, FALSE)) + return FALSE; + + buffer_id = ksurf->front_fb.buffer_id; + /* the mode argument of drmModeSetCrtc is not constified */ + mode_tmp = kmode->mode; + mode = &mode_tmp; + } + else { + /* disable the CRTC */ + buffer_id = 0; + mode = NULL; + num_nconns = 0; + } + + for (i = 0; i < num_nconns; i++) { + struct kms_connector *kconn = kms_connector(nconns[i]); + connector_ids[i] = kconn->connector->connector_id; + } + + if (!kms_display_set_crtc(&kdpy->base, crtc_idx, buffer_id, x, y, + connector_ids, num_nconns, mode)) { + _eglLog(_EGL_WARNING, "failed to set CRTC %d", crtc_idx); + + return FALSE; + } + + if (kdpy->shown_surfaces[crtc_idx]) + kdpy->shown_surfaces[crtc_idx]->is_shown = FALSE; + kdpy->shown_surfaces[crtc_idx] = ksurf; + + /* remember the settings for buffer swapping */ + if (ksurf) { + uint32_t crtc_id = kdpy->saved_crtcs[crtc_idx].crtc->crtc_id; + struct kms_crtc *kcrtc = &ksurf->current_crtc; + + if (kcrtc->crtc) + drmModeFreeCrtc(kcrtc->crtc); + kcrtc->crtc = drmModeGetCrtc(kdpy->fd, crtc_id); + + assert(num_nconns < Elements(kcrtc->connectors)); + memcpy(kcrtc->connectors, connector_ids, + sizeof(*connector_ids) * num_nconns); + kcrtc->num_connectors = num_nconns; + + ksurf->is_shown = TRUE; + } + + return TRUE; +} + +static const struct native_mode ** +kms_display_get_modes(struct native_display *ndpy, + const struct native_connector *nconn, + int *num_modes) +{ + struct kms_display *kdpy = kms_display(ndpy); + struct kms_connector *kconn = kms_connector(nconn); + const struct native_mode **nmodes_return; + int count, i; + + /* delete old data */ + if (kconn->connector) { + drmModeFreeConnector(kconn->connector); + FREE(kconn->kms_modes); + + kconn->connector = NULL; + kconn->kms_modes = NULL; + kconn->num_modes = 0; + } + + /* detect again */ + kconn->connector = drmModeGetConnector(kdpy->fd, kconn->connector_id); + if (!kconn->connector) + return NULL; + + count = kconn->connector->count_modes; + kconn->kms_modes = CALLOC(count, sizeof(*kconn->kms_modes)); + if (!kconn->kms_modes) { + drmModeFreeConnector(kconn->connector); + kconn->connector = NULL; + + return NULL; + } + + for (i = 0; i < count; i++) { + struct kms_mode *kmode = &kconn->kms_modes[i]; + drmModeModeInfoPtr mode = &kconn->connector->modes[i]; + + kmode->mode = *mode; + + kmode->base.desc = kmode->mode.name; + kmode->base.width = kmode->mode.hdisplay; + kmode->base.height = kmode->mode.vdisplay; + kmode->base.refresh_rate = kmode->mode.vrefresh; + /* not all kernels have vrefresh = refresh_rate * 1000 */ + if (kmode->base.refresh_rate > 1000) + kmode->base.refresh_rate = (kmode->base.refresh_rate + 500) / 1000; + } + + nmodes_return = MALLOC(count * sizeof(*nmodes_return)); + if (nmodes_return) { + for (i = 0; i < count; i++) + nmodes_return[i] = &kconn->kms_modes[i].base; + if (num_modes) + *num_modes = count; + } + + return nmodes_return; +} + +static const struct native_connector ** +kms_display_get_connectors(struct native_display *ndpy, int *num_connectors, + int *num_crtc) +{ + struct kms_display *kdpy = kms_display(ndpy); + const struct native_connector **connectors; + int i; + + if (!kdpy->connectors) { + kdpy->connectors = + CALLOC(kdpy->resources->count_connectors, sizeof(*kdpy->connectors)); + if (!kdpy->connectors) + return NULL; + + for (i = 0; i < kdpy->resources->count_connectors; i++) { + struct kms_connector *kconn = &kdpy->connectors[i]; + + kconn->connector_id = kdpy->resources->connectors[i]; + /* kconn->connector is allocated when the modes are asked */ + } + + kdpy->num_connectors = kdpy->resources->count_connectors; + } + + connectors = MALLOC(kdpy->num_connectors * sizeof(*connectors)); + if (connectors) { + for (i = 0; i < kdpy->num_connectors; i++) + connectors[i] = &kdpy->connectors[i].base; + if (num_connectors) + *num_connectors = kdpy->num_connectors; + } + + if (num_crtc) + *num_crtc = kdpy->resources->count_crtcs; + + return connectors; +} + +static struct native_surface * +kms_display_create_scanout_surface(struct native_display *ndpy, + const struct native_config *nconf, + uint width, uint height) +{ + struct kms_surface *ksurf; + + ksurf = kms_display_create_surface(ndpy, nconf, width, height); + return &ksurf->base; +} + +static struct native_display_modeset kms_display_modeset = { + .get_connectors = kms_display_get_connectors, + .get_modes = kms_display_get_modes, + .create_scanout_surface = kms_display_create_scanout_surface, + .program = kms_display_program +}; + +void +kms_display_fini_modeset(struct native_display *ndpy) +{ + struct kms_display *kdpy = kms_display(ndpy); + int i; + + if (kdpy->connectors) { + for (i = 0; i < kdpy->num_connectors; i++) { + struct kms_connector *kconn = &kdpy->connectors[i]; + if (kconn->connector) { + drmModeFreeConnector(kconn->connector); + FREE(kconn->kms_modes); + } + } + FREE(kdpy->connectors); + } + + if (kdpy->shown_surfaces) { + FREE(kdpy->shown_surfaces); + kdpy->shown_surfaces = NULL; + } + + if (kdpy->saved_crtcs) { + for (i = 0; i < kdpy->resources->count_crtcs; i++) { + struct kms_crtc *kcrtc = &kdpy->saved_crtcs[i]; + + if (kcrtc->crtc) { + /* restore crtc */ + drmModeSetCrtc(kdpy->fd, kcrtc->crtc->crtc_id, + kcrtc->crtc->buffer_id, kcrtc->crtc->x, kcrtc->crtc->y, + kcrtc->connectors, kcrtc->num_connectors, + &kcrtc->crtc->mode); + + drmModeFreeCrtc(kcrtc->crtc); + } + } + FREE(kdpy->saved_crtcs); + } + + if (kdpy->resources) { + drmModeFreeResources(kdpy->resources); + kdpy->resources = NULL; + } + + kdpy->base.modeset = NULL; +} + +boolean +kms_display_init_modeset(struct native_display *ndpy) +{ + struct kms_display *kdpy = kms_display(ndpy); + + /* resources are fixed, unlike crtc, connector, or encoder */ + kdpy->resources = drmModeGetResources(kdpy->fd); + if (!kdpy->resources) { + _eglLog(_EGL_DEBUG, "Failed to get KMS resources. Disable modeset."); + return FALSE; + } + + kdpy->saved_crtcs = + CALLOC(kdpy->resources->count_crtcs, sizeof(*kdpy->saved_crtcs)); + if (!kdpy->saved_crtcs) { + kms_display_fini_modeset(&kdpy->base); + return FALSE; + } + + kdpy->shown_surfaces = + CALLOC(kdpy->resources->count_crtcs, sizeof(*kdpy->shown_surfaces)); + if (!kdpy->shown_surfaces) { + kms_display_fini_modeset(&kdpy->base); + return FALSE; + } + + kdpy->base.modeset = &kms_display_modeset; + + return TRUE; +} diff --git a/src/gallium/state_trackers/egl/drm/native_drm.c b/src/gallium/state_trackers/egl/drm/native_drm.c new file mode 100644 index 00000000000..8ffdde66ba8 --- /dev/null +++ b/src/gallium/state_trackers/egl/drm/native_drm.c @@ -0,0 +1,240 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2010 Chia-I Wu <[email protected]> + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#include <sys/types.h> +#include <sys/stat.h> +#include <fcntl.h> + +#include "util/u_memory.h" +#include "egllog.h" + +#include "native_drm.h" + +/* see get_drm_screen_name */ +#include <radeon_drm.h> +#include "radeon/drm/radeon_drm.h" + +static boolean +kms_display_is_format_supported(struct native_display *ndpy, + enum pipe_format fmt, boolean is_color) +{ + return ndpy->screen->is_format_supported(ndpy->screen, + fmt, PIPE_TEXTURE_2D, 0, + (is_color) ? PIPE_BIND_RENDER_TARGET : + PIPE_BIND_DEPTH_STENCIL, 0); +} + +static const struct native_config ** +kms_display_get_configs(struct native_display *ndpy, int *num_configs) +{ + struct kms_display *kdpy = kms_display(ndpy); + const struct native_config **configs; + + /* first time */ + if (!kdpy->config) { + struct native_config *nconf; + enum pipe_format format; + + kdpy->config = CALLOC(1, sizeof(*kdpy->config)); + if (!kdpy->config) + return NULL; + + nconf = &kdpy->config->base; + + nconf->buffer_mask = + (1 << NATIVE_ATTACHMENT_FRONT_LEFT) | + (1 << NATIVE_ATTACHMENT_BACK_LEFT); + + format = PIPE_FORMAT_B8G8R8A8_UNORM; + if (!kms_display_is_format_supported(&kdpy->base, format, TRUE)) { + format = PIPE_FORMAT_A8R8G8B8_UNORM; + if (!kms_display_is_format_supported(&kdpy->base, format, TRUE)) + format = PIPE_FORMAT_NONE; + } + if (format == PIPE_FORMAT_NONE) { + FREE(kdpy->config); + kdpy->config = NULL; + return NULL; + } + + nconf->color_format = format; + + /* support KMS */ + if (kdpy->resources) + nconf->scanout_bit = TRUE; + } + + configs = MALLOC(sizeof(*configs)); + if (configs) { + configs[0] = &kdpy->config->base; + if (num_configs) + *num_configs = 1; + } + + return configs; +} + +static int +kms_display_get_param(struct native_display *ndpy, + enum native_param_type param) +{ + int val; + + switch (param) { + default: + val = 0; + break; + } + + return val; +} + +static void +kms_display_destroy(struct native_display *ndpy) +{ + struct kms_display *kdpy = kms_display(ndpy); + + if (kdpy->config) + FREE(kdpy->config); + + kms_display_fini_modeset(&kdpy->base); + + if (kdpy->base.screen) + kdpy->base.screen->destroy(kdpy->base.screen); + + if (kdpy->fd >= 0) + close(kdpy->fd); + + FREE(kdpy); +} + +static const char * +get_drm_screen_name(int fd, drmVersionPtr version) +{ + const char *name = version->name; + + if (name && !strcmp(name, "radeon")) { + int chip_id; + struct drm_radeon_info info; + + memset(&info, 0, sizeof(info)); + info.request = RADEON_INFO_DEVICE_ID; + info.value = pointer_to_intptr(&chip_id); + if (drmCommandWriteRead(fd, DRM_RADEON_INFO, &info, sizeof(info)) != 0) + return NULL; + + name = is_r3xx(chip_id) ? "r300" : "r600"; + } + + return name; +} + +/** + * Initialize KMS and pipe screen. + */ +static boolean +kms_display_init_screen(struct native_display *ndpy) +{ + struct kms_display *kdpy = kms_display(ndpy); + drmVersionPtr version; + const char *name; + + version = drmGetVersion(kdpy->fd); + if (!version) { + _eglLog(_EGL_WARNING, "invalid fd %d", kdpy->fd); + return FALSE; + } + + name = get_drm_screen_name(kdpy->fd, version); + if (name) { + kdpy->base.screen = + kdpy->event_handler->new_drm_screen(&kdpy->base, name, kdpy->fd); + } + drmFreeVersion(version); + + if (!kdpy->base.screen) { + _eglLog(_EGL_WARNING, "failed to create DRM screen"); + return FALSE; + } + + return TRUE; +} + +static struct native_display * +kms_create_display(int fd, struct native_event_handler *event_handler, + void *user_data) +{ + struct kms_display *kdpy; + + kdpy = CALLOC_STRUCT(kms_display); + if (!kdpy) + return NULL; + + kdpy->fd = fd; + kdpy->event_handler = event_handler; + kdpy->base.user_data = user_data; + + if (!kms_display_init_screen(&kdpy->base)) { + kms_display_destroy(&kdpy->base); + return NULL; + } + + kdpy->base.destroy = kms_display_destroy; + kdpy->base.get_param = kms_display_get_param; + kdpy->base.get_configs = kms_display_get_configs; + + kms_display_init_modeset(&kdpy->base); + + return &kdpy->base; +} + +static struct native_display * +native_create_display(void *dpy, struct native_event_handler *event_handler, + void *user_data) +{ + int fd; + + if (dpy) { + fd = dup((int) pointer_to_intptr(dpy)); + } + else { + fd = open("/dev/dri/card0", O_RDWR); + } + if (fd < 0) + return NULL; + + return kms_create_display(fd, event_handler, user_data); +} + +static const struct native_platform drm_platform = { + "DRM", /* name */ + native_create_display +}; + +const struct native_platform * +native_get_drm_platform(void) +{ + return &drm_platform; +} diff --git a/src/gallium/state_trackers/egl/drm/native_drm.h b/src/gallium/state_trackers/egl/drm/native_drm.h new file mode 100644 index 00000000000..3a9b1a67887 --- /dev/null +++ b/src/gallium/state_trackers/egl/drm/native_drm.h @@ -0,0 +1,146 @@ +/* + * Mesa 3-D graphics library + * Version: 7.8 + * + * Copyright (C) 2010 Chia-I Wu <[email protected]> + * + * 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 AUTHORS OR COPYRIGHT HOLDERS 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. + */ + +#ifndef _NATIVE_KMS_H_ +#define _NATIVE_KMS_H_ + +#include <xf86drm.h> +#include <xf86drmMode.h> + +#include "pipe/p_compiler.h" +#include "util/u_format.h" +#include "pipe/p_state.h" +#include "state_tracker/drm_driver.h" + +#include "common/native.h" +#include "common/native_helper.h" + +struct kms_config; +struct kms_crtc; +struct kms_connector; +struct kms_mode; +struct kms_surface; + +struct kms_display { + struct native_display base; + + struct native_event_handler *event_handler; + + int fd; + struct kms_config *config; + + /* for modesetting */ + drmModeResPtr resources; + struct kms_connector *connectors; + int num_connectors; + + struct kms_surface **shown_surfaces; + /* save the original settings of the CRTCs */ + struct kms_crtc *saved_crtcs; +}; + +struct kms_config { + struct native_config base; +}; + +struct kms_crtc { + drmModeCrtcPtr crtc; + uint32_t connectors[32]; + int num_connectors; +}; + +struct kms_framebuffer { + struct pipe_resource *texture; + boolean is_passive; + + uint32_t buffer_id; +}; + +struct kms_surface { + struct native_surface base; + struct kms_display *kdpy; + + struct resource_surface *rsurf; + enum pipe_format color_format; + int width, height; + + unsigned int sequence_number; + struct kms_framebuffer front_fb, back_fb; + + boolean is_shown; + struct kms_crtc current_crtc; +}; + +struct kms_connector { + struct native_connector base; + + uint32_t connector_id; + drmModeConnectorPtr connector; + struct kms_mode *kms_modes; + int num_modes; +}; + +struct kms_mode { + struct native_mode base; + drmModeModeInfo mode; +}; + +static INLINE struct kms_display * +kms_display(const struct native_display *ndpy) +{ + return (struct kms_display *) ndpy; +} + +static INLINE struct kms_config * +kms_config(const struct native_config *nconf) +{ + return (struct kms_config *) nconf; +} + +static INLINE struct kms_surface * +kms_surface(const struct native_surface *nsurf) +{ + return (struct kms_surface *) nsurf; +} + +static INLINE struct kms_connector * +kms_connector(const struct native_connector *nconn) +{ + return (struct kms_connector *) nconn; +} + +static INLINE struct kms_mode * +kms_mode(const struct native_mode *nmode) +{ + return (struct kms_mode *) nmode; +} + +boolean +kms_display_init_modeset(struct native_display *ndpy); + +void +kms_display_fini_modeset(struct native_display *ndpy); + +#endif /* _NATIVE_KMS_H_ */ |