kolibrios/contrib/sdk/samples/Mesa/gl-render/main.c
Sergey Semyonov (Serge) d370c3c94f sdk: 1)update
2)freetype sample

git-svn-id: svn://kolibrios.org@5024 a494cfbc-eb01-0410-851d-a64ba20cac60
2014-08-09 10:42:56 +00:00

186 lines
4.7 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/time.h>
#include <render.h>
#include "gbm.h"
#include <kos32sys.h>
int main()
{
struct gbm_device *gbm;
struct gbm_surface *gs;
struct render *render;
EGLDisplay dpy;
EGLint major, minor;
EGLContext context;
EGLSurface surface;
EGLConfig config;
EGLint config_attribs[32];
EGLint num_configs, i;
int width = 400;
int height = 300;
int skinh;
int run =1;
int fd;
fd = get_service("DISPLAY");
gbm = gbm_create_device(fd);
if( gbm == NULL){
printf("failed to initialize GBM device");
return 1;
};
dpy = eglGetDisplay((EGLNativeDisplayType)gbm);
if (!eglInitialize(dpy, &major, &minor))
printf("failed to initialize EGL display");
printf("EGL_VERSION = %s\n", eglQueryString(dpy, EGL_VERSION));
printf("EGL_VENDOR = %s\n", eglQueryString(dpy, EGL_VENDOR));
printf("EGL_EXTENSIONS = %s\n", eglQueryString(dpy, EGL_EXTENSIONS));
printf("EGL_CLIENT_APIS = %s\n",eglQueryString(dpy, EGL_CLIENT_APIS));
i = 0;
config_attribs[i++] = EGL_RED_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_GREEN_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_BLUE_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_DEPTH_SIZE;
config_attribs[i++] = 1;
config_attribs[i++] = EGL_SURFACE_TYPE;
config_attribs[i++] = EGL_WINDOW_BIT;
config_attribs[i++] = EGL_RENDERABLE_TYPE;
config_attribs[i++] = EGL_OPENGL_BIT;
config_attribs[i] = EGL_NONE;
if (!eglChooseConfig(dpy,config_attribs, &config, 1, &num_configs) || !num_configs)
printf("failed to choose a config");
eglBindAPI(EGL_OPENGL_API);
context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL);
if (!context)
printf("failed to create context");
gs = gbm_surface_create(gbm, width, height, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING);
skinh = get_skin_height();
BeginDraw();
DrawWindow(20, 20, width+TYPE_3_BORDER_WIDTH*2,
height+TYPE_3_BORDER_WIDTH+skinh, "gl-render", 0x000000, 0x74);
EndDraw();
surface = eglCreateWindowSurface(dpy,config, (EGLNativeWindowType)gs, NULL);
if (surface == EGL_NO_SURFACE)
printf("failed to create surface");
if (!eglMakeCurrent(dpy, surface, surface, context))
printf("failed to make window current");
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glViewport(0, 0, width, height);
glClearColor( 0, 0, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_QUADS);
glColor3f(1,0,0);
glVertex3f( 0.9, -0.9, -30.0);
glColor3f(1,1,0);
glVertex3f( 0.9, 0.9, -30.0);
glColor3f(1,1,1);
glVertex3f( 0.1, 0.9, -30.0);
glColor3f(1,0,1);
glVertex3f( 0.1, -0.9, -30.0);
glEnd();
glFlush();
// asm volatile ("int3");
render = create_render(dpy, surface, TYPE_3_BORDER_WIDTH, skinh);
render_blit(render, PX_BACK);
while (run)
{
oskey_t key;
int ev;
ev = get_os_event();
switch(ev)
{
case 1:
BeginDraw();
DrawWindow(0,0,0,0,NULL,0,0x74);
EndDraw();
render_blit(render, PX_BACK);
break;
case 2:
key = get_key();
if (key.code == 27)
run = 0;
break;
case 3:
if(get_os_button()==1)
run = 0;
break;
};
}
glFinish();
eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
// eglDestroySurface(dpy, surface);
// gbm_surface_destroy(gs);
eglDestroyContext(dpy, context);
eglTerminate(dpy);
return 0;
}
#if 0
GLuint create_framebuffer(int width, int height, GLuint *tex)
{
GLuint buffer;
glGenTextures(1, tex);
glBindTexture(GL_TEXTURE_2D, *tex);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_RGBA,
GL_UNSIGNED_BYTE, NULL);
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(1, &buffer);
glBindFramebuffer(GL_FRAMEBUFFER, buffer);
glFramebufferTexture2D(GL_FRAMEBUFFER,
GL_COLOR_ATTACHMENT0,
GL_TEXTURE_2D, *tex,0);
return buffer;
}
#endif