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authorChia-I Wu <olvaffe@gmail.com>2010-01-22 16:31:43 +0800
committerChia-I Wu <olvaffe@gmail.com>2010-01-22 16:45:28 +0800
commit3c967a920718c2a74996ac23b8c1964915db88c2 (patch)
treec0dc48858a5abaa75cc7bb68682a7ef3e1136593 /src/gallium/state_trackers/egl_g3d/kms/native_kms.c
parent3a4b7d3071c7377d8fbe37a0a2f486b919ff53cb (diff)
st/egl_g3d: Rename to st/egl.
Simply the name to egl.
Diffstat (limited to 'src/gallium/state_trackers/egl_g3d/kms/native_kms.c')
-rw-r--r--src/gallium/state_trackers/egl_g3d/kms/native_kms.c866
1 files changed, 0 insertions, 866 deletions
diff --git a/src/gallium/state_trackers/egl_g3d/kms/native_kms.c b/src/gallium/state_trackers/egl_g3d/kms/native_kms.c
deleted file mode 100644
index d5baf2c2f0..0000000000
--- a/src/gallium/state_trackers/egl_g3d/kms/native_kms.c
+++ /dev/null
@@ -1,866 +0,0 @@
-/*
- * Mesa 3-D graphics library
- * Version: 7.8
- *
- * Copyright (C) 2010 Chia-I Wu <olv@0xlab.org>
- *
- * 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
- * BRIAN PAUL 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 <string.h>
-
-#include "pipe/p_screen.h"
-#include "pipe/p_context.h"
-#include "util/u_debug.h"
-#include "util/u_memory.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_texture **textures,
- int *width, int *height)
-{
- struct kms_surface *ksurf = kms_surface(nsurf);
- struct kms_display *kdpy = ksurf->kdpy;
- struct pipe_screen *screen = kdpy->base.screen;
- struct pipe_texture templ, *ptex;
- int att;
-
- if (attachment_mask) {
- memset(&templ, 0, sizeof(templ));
- templ.target = PIPE_TEXTURE_2D;
- templ.last_level = 0;
- templ.width0 = ksurf->width;
- templ.height0 = ksurf->height;
- templ.depth0 = 1;
- templ.format = ksurf->color_format;
- templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET;
- if (ksurf->type == KMS_SURFACE_TYPE_SCANOUT)
- templ.tex_usage |= PIPE_TEXTURE_USAGE_PRIMARY;
- }
-
- /* create textures */
- for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) {
- /* delay the allocation */
- if (!native_attachment_mask_test(attachment_mask, att))
- continue;
-
- ptex = ksurf->textures[att];
- if (!ptex) {
- ptex = screen->texture_create(screen, &templ);
- ksurf->textures[att] = ptex;
- }
-
- if (textures) {
- textures[att] = NULL;
- pipe_texture_reference(&textures[att], ptex);
- }
- }
-
- 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;
- unsigned int handle, stride;
- 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 */
- kms_surface_validate(&ksurf->base, 1 << natt, NULL, NULL, NULL, NULL);
- if (!ksurf->textures[natt])
- return FALSE;
-
- pipe_texture_reference(&fb->texture, ksurf->textures[natt]);
- }
-
- /* already initialized */
- if (fb->buffer_id)
- continue;
-
- /* TODO detect the real value */
- fb->is_passive = TRUE;
-
- if (!kdpy->api->local_handle_from_texture(kdpy->api,
- kdpy->base.screen, fb->texture, &stride, &handle))
- return FALSE;
-
- block_bits = util_format_get_blocksizebits(ksurf->color_format);
- err = drmModeAddFB(kdpy->fd, ksurf->width, ksurf->height,
- block_bits, block_bits, stride, 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;
-
- /* pbuffer is private */
- if (ksurf->type == KMS_SURFACE_TYPE_PBUFFER)
- return TRUE;
-
- 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;
- struct pipe_texture *tmp_texture;
- int err;
-
- /* pbuffer is private */
- if (ksurf->type == KMS_SURFACE_TYPE_PBUFFER)
- return TRUE;
-
- 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;
-
- tmp_texture = ksurf->textures[NATIVE_ATTACHMENT_FRONT_LEFT];
- ksurf->textures[NATIVE_ATTACHMENT_FRONT_LEFT] =
- ksurf->textures[NATIVE_ATTACHMENT_BACK_LEFT];
- ksurf->textures[NATIVE_ATTACHMENT_BACK_LEFT] = tmp_texture;
-
- /* the front/back textures are swapped */
- 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);
- int i;
-
- 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_texture_reference(&ksurf->front_fb.texture, NULL);
-
- if (ksurf->back_fb.buffer_id)
- drmModeRmFB(ksurf->kdpy->fd, ksurf->back_fb.buffer_id);
- pipe_texture_reference(&ksurf->back_fb.texture, NULL);
-
- for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) {
- struct pipe_texture *ptex = ksurf->textures[i];
- pipe_texture_reference(&ptex, NULL);
- }
-
- free(ksurf);
-}
-
-static struct kms_surface *
-kms_display_create_surface(struct native_display *ndpy,
- enum kms_surface_type type,
- 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->type = type;
- ksurf->color_format = kconf->base.color_format;
- ksurf->width = width;
- ksurf->height = 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 / 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,
- KMS_SURFACE_TYPE_SCANOUT, nconf, width, height);
- return &ksurf->base;
-}
-
-static struct native_surface *
-kms_display_create_pbuffer_surface(struct native_display *ndpy,
- const struct native_config *nconf,
- uint width, uint height)
-{
- struct kms_surface *ksurf;
-
- ksurf = kms_display_create_surface(ndpy,
- KMS_SURFACE_TYPE_PBUFFER, nconf, width, height);
- return &ksurf->base;
-}
-
-static struct pipe_context *
-kms_display_create_context(struct native_display *ndpy, void *context_private)
-{
- struct kms_display *kdpy = kms_display(ndpy);
- struct pipe_context *pctx;
-
- pctx = kdpy->api->create_context(kdpy->api, kdpy->base.screen);
- if (pctx)
- pctx->priv = context_private;
- return pctx;
-}
-
-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,
- (is_color) ? PIPE_TEXTURE_USAGE_RENDER_TARGET :
- PIPE_TEXTURE_USAGE_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;
-
- /* always double-buffered */
- nconf->mode.doubleBufferMode = TRUE;
-
- format = PIPE_FORMAT_A8R8G8B8_UNORM;
- if (!kms_display_is_format_supported(&kdpy->base, format, TRUE)) {
- format = PIPE_FORMAT_B8G8R8A8_UNORM;
- if (!kms_display_is_format_supported(&kdpy->base, format, TRUE))
- format = PIPE_FORMAT_NONE;
- }
- if (format == PIPE_FORMAT_NONE)
- return NULL;
-
- nconf->color_format = format;
- nconf->mode.redBits = 8;
- nconf->mode.greenBits = 8;
- nconf->mode.blueBits = 8;
- nconf->mode.alphaBits = 8;
- nconf->mode.rgbBits = 32;
-
- format = PIPE_FORMAT_S8Z24_UNORM;
- if (!kms_display_is_format_supported(&kdpy->base, format, FALSE)) {
- format = PIPE_FORMAT_Z24S8_UNORM;
- if (!kms_display_is_format_supported(&kdpy->base, format, FALSE))
- format = PIPE_FORMAT_NONE;
- }
- if (format != PIPE_FORMAT_NONE) {
- nconf->depth_format = format;
- nconf->stencil_format = format;
-
- nconf->mode.depthBits = 24;
- nconf->mode.stencilBits = 8;
- nconf->mode.haveDepthBuffer = TRUE;
- nconf->mode.haveStencilBuffer = TRUE;
- }
-
- nconf->scanout_bit = TRUE;
- nconf->mode.drawableType = GLX_PBUFFER_BIT;
- nconf->mode.swapMethod = GLX_SWAP_EXCHANGE_OML;
-
- nconf->mode.visualID = 0;
- nconf->mode.visualType = EGL_NONE;
-
- nconf->mode.renderType = GLX_RGBA_BIT;
- nconf->mode.rgbMode = TRUE;
- nconf->mode.xRenderable = FALSE;
- }
-
- configs = malloc(sizeof(*configs));
- if (configs) {
- configs[0] = &kdpy->config->base;
- if (num_configs)
- *num_configs = 1;
- }
-
- return configs;
-}
-
-static void
-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);
-
- if (kdpy->base.screen)
- kdpy->base.screen->destroy(kdpy->base.screen);
-
- if (kdpy->fd >= 0)
- drmClose(kdpy->fd);
-
- if (kdpy->api)
- kdpy->api->destroy(kdpy->api);
- free(kdpy);
-}
-
-/**
- * Initialize KMS and pipe screen.
- */
-static boolean
-kms_display_init_screen(struct native_display *ndpy)
-{
- struct kms_display *kdpy = kms_display(ndpy);
- struct drm_create_screen_arg arg;
- int fd;
-
- fd = drmOpen(kdpy->api->name, NULL);
- if (fd < 0) {
- _eglLog(_EGL_WARNING, "failed to open DRM device");
- return FALSE;
- }
-
-#if 0
- if (drmSetMaster(fd)) {
- _eglLog(_EGL_WARNING, "failed to become DRM master");
- return FALSE;
- }
-#endif
-
- memset(&arg, 0, sizeof(arg));
- arg.mode = DRM_CREATE_NORMAL;
- kdpy->base.screen = kdpy->api->create_screen(kdpy->api, fd, &arg);
- if (!kdpy->base.screen) {
- _eglLog(_EGL_WARNING, "failed to create DRM screen");
- drmClose(fd);
- return FALSE;
- }
-
- kdpy->fd = fd;
-
- 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(EGLNativeDisplayType dpy, struct drm_api *api)
-{
- struct kms_display *kdpy;
-
- kdpy = CALLOC_STRUCT(kms_display);
- if (!kdpy)
- return NULL;
-
- kdpy->api = api;
- if (!kdpy->api) {
- _eglLog(_EGL_WARNING, "failed to create DRM API");
- free(kdpy);
- return NULL;
- }
-
- kdpy->fd = -1;
- if (!kms_display_init_screen(&kdpy->base)) {
- kms_display_destroy(&kdpy->base);
- return NULL;
- }
-
- /* resources are fixed, unlike crtc, connector, or encoder */
- kdpy->resources = drmModeGetResources(kdpy->fd);
- if (!kdpy->resources) {
- kms_display_destroy(&kdpy->base);
- return NULL;
- }
-
- 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.destroy = kms_display_destroy;
- kdpy->base.get_configs = kms_display_get_configs;
- kdpy->base.create_context = kms_display_create_context;
- kdpy->base.create_pbuffer_surface = kms_display_create_pbuffer_surface;
-
- kdpy->base.modeset = &kms_display_modeset;
-
- return &kdpy->base;
-}
-
-struct native_probe *
-native_create_probe(EGLNativeDisplayType dpy)
-{
- return NULL;
-}
-
-enum native_probe_result
-native_get_probe_result(struct native_probe *nprobe)
-{
- return NATIVE_PROBE_UNKNOWN;
-}
-
-/* the api is destroyed with the native display */
-static struct drm_api *drm_api;
-
-const char *
-native_get_name(void)
-{
- static char kms_name[32];
-
- if (!drm_api)
- drm_api = drm_api_create();
-
- if (drm_api)
- snprintf(kms_name, sizeof(kms_name), "KMS/%s", drm_api->name);
- else
- snprintf(kms_name, sizeof(kms_name), "KMS");
-
- return kms_name;
-}
-
-struct native_display *
-native_create_display(EGLNativeDisplayType dpy)
-{
- struct native_display *ndpy = NULL;
-
- if (!drm_api)
- drm_api = drm_api_create();
-
- if (drm_api)
- ndpy = kms_create_display(dpy, drm_api);
-
- return ndpy;
-}