--- /dev/null
+/*
+ * 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 <olv@lunarg.com>
+ */
+
+#include "util/u_memory.h"
+#include "util/u_inlines.h"
+#include "egllog.h"
+
+#include "native_kms.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;
+}
#include <sys/stat.h>
#include <fcntl.h>
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "util/u_debug.h"
#include "util/u_memory.h"
-#include "util/u_inlines.h"
-#include "util/u_pointer.h"
-#include "util/u_string.h"
#include "egllog.h"
#include "native_kms.h"
#include <radeon_drm.h>
#include "radeon/drm/radeon_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 boolean
kms_display_is_format_supported(struct native_display *ndpy,
enum pipe_format fmt, boolean is_color)
kms_display_destroy(struct native_display *ndpy)
{
struct kms_display *kdpy = kms_display(ndpy);
- int i;
if (kdpy->config)
FREE(kdpy->config);
- 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);
-
- 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);
+ kms_display_fini_modeset(&kdpy->base);
if (kdpy->base.screen)
kdpy->base.screen->destroy(kdpy->base.screen);
return TRUE;
}
-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
-};
-
static struct native_display *
kms_create_display(int fd, struct native_event_handler *event_handler,
void *user_data)
kdpy->base.get_param = kms_display_get_param;
kdpy->base.get_configs = kms_display_get_configs;
- /* resources are fixed, unlike crtc, connector, or encoder */
- kdpy->resources = drmModeGetResources(kdpy->fd);
- if (kdpy->resources) {
- kdpy->saved_crtcs =
- CALLOC(kdpy->resources->count_crtcs, sizeof(*kdpy->saved_crtcs));
- if (!kdpy->saved_crtcs) {
- kms_display_destroy(&kdpy->base);
- return NULL;
- }
-
- kdpy->shown_surfaces =
- CALLOC(kdpy->resources->count_crtcs, sizeof(*kdpy->shown_surfaces));
- if (!kdpy->shown_surfaces) {
- kms_display_destroy(&kdpy->base);
- return NULL;
- }
-
- kdpy->base.modeset = &kms_display_modeset;
- }
- else {
- _eglLog(_EGL_DEBUG, "Failed to get KMS resources. Disable modeset.");
- }
+ kms_display_init_modeset(&kdpy->base);
return &kdpy->base;
}
#include "common/native_helper.h"
struct kms_config;
+struct kms_crtc;
struct kms_connector;
struct kms_mode;
-
-struct kms_crtc {
- drmModeCrtcPtr crtc;
- uint32_t connectors[32];
- int num_connectors;
-};
+struct kms_surface;
struct kms_display {
struct native_display base;
struct native_event_handler *event_handler;
int fd;
- drmModeResPtr resources;
struct kms_config *config;
+ /* for modesetting */
+ drmModeResPtr resources;
struct kms_connector *connectors;
int num_connectors;
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;
struct kms_crtc current_crtc;
};
-struct kms_config {
- struct native_config base;
-};
-
struct kms_connector {
struct native_connector base;
return (struct kms_display *) ndpy;
}
-static INLINE struct kms_surface *
-kms_surface(const struct native_surface *nsurf)
-{
- return (struct kms_surface *) nsurf;
-}
-
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_mode *) nmode;
}
+boolean
+kms_display_init_modeset(struct native_display *ndpy);
+
+void
+kms_display_fini_modeset(struct native_display *ndpy);
+
#endif /* _NATIVE_KMS_H_ */
projects / mesa.git / commitdiff