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>dev
Daniel Stone
2 years ago
parent
01c57eca43
commit
6bfbfb2e10
@ -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, |
||||
®istry_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; |
||||
} |
||||
File diff suppressed because it is too large
Load Diff
Loading…
Reference in new issue