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toytoolkit: Delete remnants of EGL support

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This code was all dead, since neither cairo-glesv2 nor the sample nested
compositor ever made it to the Meson build.

Signed-off-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Daniel Stone 2022-06-24 11:39:40 +01:00
parent 01c57eca43
commit 6bfbfb2e10
4 changed files with 0 additions and 1894 deletions
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374
clients/nested-client.c
View File

@ -1,374 +0,0 @@
/*
* Copyright © 2013 Intel Corporation
*
* 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 (including the next
* paragraph) 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 "config.h"
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <wayland-egl.h>
#include <wayland-cursor.h>
#include <GLES2/gl2.h>
#include <EGL/egl.h>
#include "shared/platform.h"
struct window;
struct seat;
struct nested_client {
struct wl_display *display;
struct wl_registry *registry;
struct wl_compositor *compositor;
EGLDisplay egl_display;
EGLContext egl_context;
EGLConfig egl_config;
EGLSurface egl_surface;
struct program *color_program;
GLuint vert, frag, program;
GLuint rotation;
GLuint pos;
GLuint col;
struct wl_surface *surface;
struct wl_egl_window *native;
int width, height;
};
#define POS 0
#define COL 1
static GLuint
create_shader(const char *source, GLenum shader_type)
{
GLuint shader;
GLint status;
shader = glCreateShader(shader_type);
if (shader == 0)
return 0;
glShaderSource(shader, 1, (const char **) &source, NULL);
glCompileShader(shader);
glGetShaderiv(shader, GL_COMPILE_STATUS, &status);
if (!status) {
char log[1000];
GLsizei len;
glGetShaderInfoLog(shader, 1000, &len, log);
fprintf(stderr, "Error: compiling %s: %.*s\n",
shader_type == GL_VERTEX_SHADER ? "vertex" : "fragment",
len, log);
return 0;
}
return shader;
}
static void
create_program(struct nested_client *client,
const char *vert, const char *frag)
{
GLint status;
client->vert = create_shader(vert, GL_VERTEX_SHADER);
client->frag = create_shader(frag, GL_FRAGMENT_SHADER);
client->program = glCreateProgram();
glAttachShader(client->program, client->frag);
glAttachShader(client->program, client->vert);
glBindAttribLocation(client->program, POS, "pos");
glBindAttribLocation(client->program, COL, "color");
glLinkProgram(client->program);
glGetProgramiv(client->program, GL_LINK_STATUS, &status);
if (!status) {
char log[1000];
GLsizei len;
glGetProgramInfoLog(client->program, 1000, &len, log);
fprintf(stderr, "Error: linking:\n%.*s\n", len, log);
exit(1);
}
client->rotation =
glGetUniformLocation(client->program, "rotation");
}
static const char vertex_shader_text[] =
"uniform mat4 rotation;\n"
"attribute vec4 pos;\n"
"attribute vec4 color;\n"
"varying vec4 v_color;\n"
"void main() {\n"
" gl_Position = rotation * pos;\n"
" v_color = color;\n"
"}\n";
static const char color_fragment_shader_text[] =
"precision mediump float;\n"
"varying vec4 v_color;\n"
"void main() {\n"
" gl_FragColor = v_color;\n"
"}\n";
static void
render_triangle(struct nested_client *client, uint32_t time)
{
static const GLfloat verts[3][2] = {
{ -0.5, -0.5 },
{ 0.5, -0.5 },
{ 0, 0.5 }
};
static const GLfloat colors[3][3] = {
{ 1, 0, 0 },
{ 0, 1, 0 },
{ 0, 0, 1 }
};
GLfloat angle;
GLfloat rotation[4][4] = {
{ 1, 0, 0, 0 },
{ 0, 1, 0, 0 },
{ 0, 0, 1, 0 },
{ 0, 0, 0, 1 }
};
static const int32_t speed_div = 5;
static uint32_t start_time = 0;
if (client->program == 0)
create_program(client, vertex_shader_text,
color_fragment_shader_text);
if (start_time == 0)
start_time = time;
angle = ((time - start_time) / speed_div) % 360 * M_PI / 180.0;
rotation[0][0] = cos(angle);
rotation[0][2] = sin(angle);
rotation[2][0] = -sin(angle);
rotation[2][2] = cos(angle);
glClearColor(0.4, 0.4, 0.4, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
glUseProgram(client->program);
glViewport(0, 0, client->width, client->height);
glUniformMatrix4fv(client->rotation, 1, GL_FALSE,
(GLfloat *) rotation);
glVertexAttribPointer(POS, 2, GL_FLOAT, GL_FALSE, 0, verts);
glVertexAttribPointer(COL, 3, GL_FLOAT, GL_FALSE, 0, colors);
glEnableVertexAttribArray(POS);
glEnableVertexAttribArray(COL);
glDrawArrays(GL_TRIANGLES, 0, 3);
glDisableVertexAttribArray(POS);
glDisableVertexAttribArray(COL);
glFlush();
}
static void
frame_callback(void *data, struct wl_callback *callback, uint32_t time);
static const struct wl_callback_listener frame_listener = {
frame_callback
};
static void
frame_callback(void *data, struct wl_callback *callback, uint32_t time)
{
struct nested_client *client = data;
if (callback)
wl_callback_destroy(callback);
callback = wl_surface_frame(client->surface);
wl_callback_add_listener(callback, &frame_listener, client);
render_triangle(client, time);
eglSwapBuffers(client->egl_display, client->egl_surface);
}
static void
registry_handle_global(void *data, struct wl_registry *registry,
uint32_t name, const char *interface, uint32_t version)
{
struct nested_client *client = data;
if (strcmp(interface, "wl_compositor") == 0) {
client->compositor =
wl_registry_bind(registry, name,
&wl_compositor_interface, 1);
}
}
static void
registry_handle_global_remove(void *data, struct wl_registry *registry,
uint32_t name)
{
}
static const struct wl_registry_listener registry_listener = {
registry_handle_global,
registry_handle_global_remove
};
static struct nested_client *
nested_client_create(void)
{
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
static const EGLint config_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 1,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_NONE
};
EGLint major, minor, n;
EGLBoolean ret;
struct nested_client *client;
client = malloc(sizeof *client);
if (client == NULL)
return NULL;
client->width = 250;
client->height = 250;
client->display = wl_display_connect(NULL);
client->registry = wl_display_get_registry(client->display);
wl_registry_add_listener(client->registry,
&registry_listener, client);
/* get globals */
wl_display_roundtrip(client->display);
client->egl_display =
weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
client->display, NULL);
if (client->egl_display == NULL)
return NULL;
ret = eglInitialize(client->egl_display, &major, &minor);
if (!ret)
return NULL;
ret = eglBindAPI(EGL_OPENGL_ES_API);
if (!ret)
return NULL;
ret = eglChooseConfig(client->egl_display, config_attribs,
&client->egl_config, 1, &n);
if (!ret || n != 1)
return NULL;
client->egl_context = eglCreateContext(client->egl_display,
client->egl_config,
EGL_NO_CONTEXT,
context_attribs);
if (!client->egl_context)
return NULL;
client->surface = wl_compositor_create_surface(client->compositor);
client->native = wl_egl_window_create(client->surface,
client->width, client->height);
client->egl_surface = weston_platform_create_egl_surface(client->egl_display,
client->egl_config,
client->native, NULL);
eglMakeCurrent(client->egl_display, client->egl_surface,
client->egl_surface, client->egl_context);
wl_egl_window_resize(client->native,
client->width, client->height, 0, 0);
frame_callback(client, NULL, 0);
return client;
}
static void
nested_client_destroy(struct nested_client *client)
{
eglMakeCurrent(client->egl_display,
EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
weston_platform_destroy_egl_surface(client->egl_display,
client->egl_surface);
wl_egl_window_destroy(client->native);
wl_surface_destroy(client->surface);
if (client->compositor)
wl_compositor_destroy(client->compositor);
wl_registry_destroy(client->registry);
eglTerminate(client->egl_display);
eglReleaseThread();
wl_display_flush(client->display);
wl_display_disconnect(client->display);
}
int
main(int argc, char **argv)
{
struct nested_client *client;
int ret = 0;
if (getenv("WAYLAND_SOCKET") == NULL) {
fprintf(stderr,
"must be run by nested, don't run standalone\n");
return EXIT_FAILURE;
}
client = nested_client_create();
if (client == NULL)
return EXIT_FAILURE;
while (ret != -1)
ret = wl_display_dispatch(client->display);
nested_client_destroy(client);
return 0;
}

1139
clients/nested.c
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361
clients/window.c
View File

@ -42,25 +42,6 @@
#include <sys/timerfd.h>
#include <stdbool.h>
#ifdef HAVE_CAIRO_EGL
#include <wayland-egl.h>
#ifdef USE_CAIRO_GLESV2
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#else
#include <GL/gl.h>
#endif
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <cairo-gl.h>
#elif !defined(ENABLE_EGL) /* platform.h defines these if EGL is enabled */
typedef void *EGLDisplay;
typedef void *EGLConfig;
typedef void *EGLContext;
#define EGL_NO_DISPLAY ((EGLDisplay)0)
#endif /* no HAVE_CAIRO_EGL */
#include <xkbcommon/xkbcommon.h>
#ifdef HAVE_XKBCOMMON_COMPOSE
@ -109,10 +90,6 @@ struct display {
struct xdg_wm_base *xdg_shell;
struct zwp_relative_pointer_manager_v1 *relative_pointer_manager;
struct zwp_pointer_constraints_v1 *pointer_constraints;
EGLDisplay dpy;
EGLConfig argb_config;
EGLContext argb_ctx;
cairo_device_t *argb_device;
uint32_t serial;
int display_fd;
@ -178,18 +155,6 @@ struct toysurface {
enum wl_output_transform buffer_transform, int32_t buffer_scale,
struct rectangle *server_allocation);
/*
* Make the toysurface current with the given EGL context.
* Returns 0 on success, and negative on failure.
*/
int (*acquire)(struct toysurface *base, EGLContext ctx);
/*
* Release the toysurface from the EGL context, returning control
* to Cairo.
*/
void (*release)(struct toysurface *base);
/*
* Destroy the toysurface, including the Cairo surface, any
* backing storage, and the Wayland protocol objects.
@ -543,167 +508,6 @@ buffer_to_surface_size (enum wl_output_transform buffer_transform, int32_t buffe
*height /= buffer_scale;
}
#ifdef HAVE_CAIRO_EGL
struct egl_window_surface {
struct toysurface base;
cairo_surface_t *cairo_surface;
struct display *display;
struct wl_surface *surface;
struct wl_egl_window *egl_window;
EGLSurface egl_surface;
};
static struct egl_window_surface *
to_egl_window_surface(struct toysurface *base)
{
return container_of(base, struct egl_window_surface, base);
}
static cairo_surface_t *
egl_window_surface_prepare(struct toysurface *base, int dx, int dy,
int32_t width, int32_t height, uint32_t flags,
enum wl_output_transform buffer_transform, int32_t buffer_scale)
{
struct egl_window_surface *surface = to_egl_window_surface(base);
surface_to_buffer_size (buffer_transform, buffer_scale, &width, &height);
wl_egl_window_resize(surface->egl_window, width, height, dx, dy);
cairo_gl_surface_set_size(surface->cairo_surface, width, height);
return cairo_surface_reference(surface->cairo_surface);
}
static void
egl_window_surface_swap(struct toysurface *base,
enum wl_output_transform buffer_transform, int32_t buffer_scale,
struct rectangle *server_allocation)
{
struct egl_window_surface *surface = to_egl_window_surface(base);
cairo_gl_surface_swapbuffers(surface->cairo_surface);
wl_egl_window_get_attached_size(surface->egl_window,
&server_allocation->width,
&server_allocation->height);
buffer_to_surface_size (buffer_transform, buffer_scale,
&server_allocation->width,
&server_allocation->height);
}
static int
egl_window_surface_acquire(struct toysurface *base, EGLContext ctx)
{
struct egl_window_surface *surface = to_egl_window_surface(base);
cairo_device_t *device;
device = cairo_surface_get_device(surface->cairo_surface);
if (!device)
return -1;
if (!ctx) {
if (device == surface->display->argb_device)
ctx = surface->display->argb_ctx;
else
assert(0);
}
cairo_device_flush(device);
cairo_device_acquire(device);
if (!eglMakeCurrent(surface->display->dpy, surface->egl_surface,
surface->egl_surface, ctx))
fprintf(stderr, "failed to make surface current\n");
return 0;
}
static void
egl_window_surface_release(struct toysurface *base)
{
struct egl_window_surface *surface = to_egl_window_surface(base);
cairo_device_t *device;
device = cairo_surface_get_device(surface->cairo_surface);
if (!device)
return;
if (!eglMakeCurrent(surface->display->dpy,
EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT))
fprintf(stderr, "failed to make context current\n");
cairo_device_release(device);
}
static void
egl_window_surface_destroy(struct toysurface *base)
{
struct egl_window_surface *surface = to_egl_window_surface(base);
struct display *d = surface->display;
cairo_surface_destroy(surface->cairo_surface);
weston_platform_destroy_egl_surface(d->dpy, surface->egl_surface);
wl_egl_window_destroy(surface->egl_window);
surface->surface = NULL;
free(surface);
}
static struct toysurface *
egl_window_surface_create(struct display *display,
struct wl_surface *wl_surface,
uint32_t flags,
struct rectangle *rectangle)
{
struct egl_window_surface *surface;
if (display->dpy == EGL_NO_DISPLAY)
return NULL;
surface = zalloc(sizeof *surface);
if (!surface)
return NULL;
surface->base.prepare = egl_window_surface_prepare;
surface->base.swap = egl_window_surface_swap;
surface->base.acquire = egl_window_surface_acquire;
surface->base.release = egl_window_surface_release;
surface->base.destroy = egl_window_surface_destroy;
surface->display = display;
surface->surface = wl_surface;
surface->egl_window = wl_egl_window_create(surface->surface,
rectangle->width,
rectangle->height);
surface->egl_surface =
weston_platform_create_egl_surface(display->dpy,
display->argb_config,
surface->egl_window, NULL);
surface->cairo_surface =
cairo_gl_surface_create_for_egl(display->argb_device,
surface->egl_surface,
rectangle->width,
rectangle->height);
return &surface->base;
}
#else
static struct toysurface *
egl_window_surface_create(struct display *display,
struct wl_surface *wl_surface,
uint32_t flags,
struct rectangle *rectangle)
{
return NULL;
}
#endif
struct shm_surface_data {
struct wl_buffer *buffer;
struct shm_pool *pool;
@ -1157,17 +961,6 @@ shm_surface_swap(struct toysurface *base,
surface->current = NULL;
}
static int
shm_surface_acquire(struct toysurface *base, EGLContext ctx)
{
return -1;
}
static void
shm_surface_release(struct toysurface *base)
{
}
static void
shm_surface_destroy(struct toysurface *base)
{
@ -1190,8 +983,6 @@ shm_surface_create(struct display *display, struct wl_surface *wl_surface,
surface = xzalloc(sizeof *surface);
surface->base.prepare = shm_surface_prepare;
surface->base.swap = shm_surface_swap;
surface->base.acquire = shm_surface_acquire;
surface->base.release = shm_surface_release;
surface->base.destroy = shm_surface_destroy;
surface->display = display;
@ -1461,15 +1252,6 @@ surface_create_surface(struct surface *surface, uint32_t flags)
struct display *display = surface->window->display;
struct rectangle allocation = surface->allocation;
if (!surface->toysurface && display->dpy &&
surface->buffer_type == WINDOW_BUFFER_TYPE_EGL_WINDOW) {
surface->toysurface =
egl_window_surface_create(display,
surface->surface,
flags,
&allocation);
}
if (!surface->toysurface)
surface->toysurface = shm_surface_create(display,
surface->surface,
@ -5257,11 +5039,6 @@ surface_create(struct window *window)
static enum window_buffer_type
get_preferred_buffer_type(struct display *display)
{
#ifdef HAVE_CAIRO_EGL
if (display->argb_device && !getenv("TOYTOOLKIT_NO_EGL"))
return WINDOW_BUFFER_TYPE_EGL_WINDOW;
#endif
return WINDOW_BUFFER_TYPE_SHM;
}
@ -6123,90 +5900,6 @@ static const struct wl_registry_listener registry_listener = {
registry_handle_global_remove
};
#ifdef HAVE_CAIRO_EGL
static int
init_egl(struct display *d)
{
EGLint major, minor;
EGLint n;
#ifdef USE_CAIRO_GLESV2
# define GL_BIT EGL_OPENGL_ES2_BIT
#else
# define GL_BIT EGL_OPENGL_BIT
#endif
static const EGLint argb_cfg_attribs[] = {
EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_ALPHA_SIZE, 1,
EGL_DEPTH_SIZE, 1,
EGL_RENDERABLE_TYPE, GL_BIT,
EGL_NONE
};
#ifdef USE_CAIRO_GLESV2
static const EGLint context_attribs[] = {
EGL_CONTEXT_CLIENT_VERSION, 2,
EGL_NONE
};
EGLint api = EGL_OPENGL_ES_API;
#else
EGLint *context_attribs = NULL;
EGLint api = EGL_OPENGL_API;
#endif
d->dpy =
weston_platform_get_egl_display(EGL_PLATFORM_WAYLAND_KHR,
d->display, NULL);
if (!eglInitialize(d->dpy, &major, &minor)) {
fprintf(stderr, "failed to initialize EGL\n");
return -1;
}
if (!eglBindAPI(api)) {
fprintf(stderr, "failed to bind EGL client API\n");
return -1;
}
if (!eglChooseConfig(d->dpy, argb_cfg_attribs,
&d->argb_config, 1, &n) || n != 1) {
fprintf(stderr, "failed to choose argb EGL config\n");
return -1;
}
d->argb_ctx = eglCreateContext(d->dpy, d->argb_config,
EGL_NO_CONTEXT, context_attribs);
if (d->argb_ctx == NULL) {
fprintf(stderr, "failed to create EGL context\n");
return -1;
}
d->argb_device = cairo_egl_device_create(d->dpy, d->argb_ctx);
if (cairo_device_status(d->argb_device) != CAIRO_STATUS_SUCCESS) {
fprintf(stderr, "failed to get cairo EGL argb device\n");
return -1;
}
return 0;
}
static void
fini_egl(struct display *display)
{
cairo_device_destroy(display->argb_device);
eglMakeCurrent(display->dpy, EGL_NO_SURFACE, EGL_NO_SURFACE,
EGL_NO_CONTEXT);
eglTerminate(display->dpy);
eglReleaseThread();
}
#endif
static void
init_dummy_surface(struct display *display)
{
@ -6312,12 +6005,6 @@ display_create(int *argc, char *argv[])
return NULL;
}
#ifdef HAVE_CAIRO_EGL
if (init_egl(d) < 0)
fprintf(stderr, "EGL does not seem to work, "
"falling back to software rendering and wl_shm.\n");
#endif
create_cursors(d);
d->theme = theme_create();
@ -6376,10 +6063,6 @@ display_destroy(struct display *display)
theme_destroy(display->theme);
destroy_cursors(display);
#ifdef HAVE_CAIRO_EGL
if (display->argb_device)
fini_egl(display);
#endif
if (display->relative_pointer_manager)
zwp_relative_pointer_manager_v1_destroy(display->relative_pointer_manager);
@ -6445,12 +6128,6 @@ display_has_subcompositor(struct display *display)
return display->subcompositor != NULL;
}
cairo_device_t *
display_get_cairo_device(struct display *display)
{
return display->argb_device;
}
struct output *
display_get_output(struct display *display)
{
@ -6472,12 +6149,6 @@ display_get_serial(struct display *display)
return display->serial;
}
EGLDisplay
display_get_egl_display(struct display *d)
{
return d->dpy;
}
struct wl_data_source *
display_create_data_source(struct display *display)
{
@ -6487,38 +6158,6 @@ display_create_data_source(struct display *display)
return NULL;
}
EGLConfig
display_get_argb_egl_config(struct display *d)
{
return d->argb_config;
}
int
display_acquire_window_surface(struct display *display,
struct window *window,
EGLContext ctx)
{
struct surface *surface = window->main_surface;
if (surface->buffer_type != WINDOW_BUFFER_TYPE_EGL_WINDOW)
return -1;
widget_get_cairo_surface(window->main_surface->widget);
return surface->toysurface->acquire(surface->toysurface, ctx);
}
void
display_release_window_surface(struct display *display,
struct window *window)
{
struct surface *surface = window->main_surface;
if (surface->buffer_type != WINDOW_BUFFER_TYPE_EGL_WINDOW)
return;
surface->toysurface->release(surface->toysurface);
}
void
display_defer(struct display *display, struct task *task)
{

20
clients/window.h
View File

@ -71,9 +71,6 @@ display_get_display(struct display *display);
int
display_has_subcompositor(struct display *display);
cairo_device_t *
display_get_cairo_device(struct display *display);
struct wl_compositor *
display_get_compositor(struct display *display);
@ -114,22 +111,6 @@ display_set_output_configure_handler(struct display *display,
struct wl_data_source *
display_create_data_source(struct display *display);
#ifdef EGL_NO_DISPLAY
EGLDisplay
display_get_egl_display(struct display *d);
EGLConfig
display_get_argb_egl_config(struct display *d);
int
display_acquire_window_surface(struct display *display,
struct window *window,
EGLContext ctx);
void
display_release_window_surface(struct display *display,
struct window *window);
#endif
#define SURFACE_OPAQUE 0x01
#define SURFACE_SHM 0x02
@ -416,7 +397,6 @@ struct wl_subsurface *
widget_get_wl_subsurface(struct widget *widget);
enum window_buffer_type {
WINDOW_BUFFER_TYPE_EGL_WINDOW,
WINDOW_BUFFER_TYPE_SHM,
};