0,0 → 1,160 |
#include <stdio.h> |
#include <stdlib.h> |
#include <string.h> |
#include <sys/time.h> |
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#define EGL_EGLEXT_PROTOTYPES |
#include "EGL/egl.h" |
#include "EGL/eglext.h" |
#include "GL/gl.h" |
#include "gbm.h" |
#include <kos32sys.h> |
#include <pixlib2.h> |
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int main() |
{ |
struct gbm_device *gbm; |
struct gbm_surface *gs; |
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EGLDisplay dpy; |
EGLint major, minor; |
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EGLContext context; |
EGLSurface surface; |
EGLConfig config; |
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EGLint config_attribs[32]; |
EGLint num_configs, i; |
GLint list; |
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int fd; |
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fd = get_service("DISPLAY"); |
gbm = gbm_create_device(fd); |
if( gbm == NULL){ |
printf("failed to initialize GBM device"); |
return 1; |
}; |
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dpy = eglGetDisplay((EGLNativeDisplayType)gbm); |
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if (!eglInitialize(dpy, &major, &minor)) |
printf("failed to initialize EGL display"); |
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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)); |
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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; |
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config_attribs[i++] = EGL_SURFACE_TYPE; |
config_attribs[i++] = EGL_WINDOW_BIT; |
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config_attribs[i++] = EGL_RENDERABLE_TYPE; |
config_attribs[i++] = EGL_OPENGL_BIT; |
config_attribs[i] = EGL_NONE; |
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if (!eglChooseConfig(dpy,config_attribs, &config, 1, &num_configs) || !num_configs) |
printf("failed to choose a config"); |
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eglBindAPI(EGL_OPENGL_API); |
context = eglCreateContext(dpy, config, EGL_NO_CONTEXT, NULL); |
if (!context) |
printf("failed to create context"); |
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gs = gbm_surface_create(gbm, 400, 300, GBM_BO_FORMAT_ARGB8888, GBM_BO_USE_RENDERING); |
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BeginDraw(); |
DrawWindow(20, 20, 400+9, 300+24, "gl-render", 0x000000, 0x74); |
EndDraw(); |
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surface = eglCreateWindowSurface(dpy,config, (EGLNativeWindowType)gs, NULL); |
if (surface == EGL_NO_SURFACE) |
printf("failed to create surface"); |
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if (!eglMakeCurrent(dpy, surface, surface, context)) |
printf("failed to make window current"); |
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glClearColor( 0, 0, 0, 1); |
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list = glGenLists(1); |
glNewList(list, GL_COMPILE); |
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/* XXX: this state-change will only be executed if list is called |
* from outside a begin/end pair: |
*/ |
glShadeModel( GL_FLAT ); |
glBegin(GL_TRIANGLES); |
glColor3f(0,0,.7); |
glVertex3f( -0.9, 0.9, -30.0); |
glColor3f(0,.9,0); |
glVertex3f( -0.9, -0.9, -30.0); |
glColor3f(.8,0,0); |
glVertex3f( 0.9, 0.0, -30.0); |
glEnd(); |
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/* This statechange is potentially NOT redundant: |
*/ |
glShadeModel( GL_FLAT ); |
glBegin(GL_TRIANGLES); |
glColor3f(0,1,0); |
glVertex3f( -0.5, 0.5, -30.0); |
glColor3f(0,0,1); |
glVertex3f( -0.5, -0.5, -30.0); |
glColor3f(1,0,0); |
glVertex3f( 0.5, 0.0, -30.0); |
glEnd(); |
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glEndList(); |
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glDrawBuffer(GL_BACK); |
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glViewport(0, 0, (GLint)400, (GLint)300); |
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glMatrixMode(GL_PROJECTION); |
glLoadIdentity(); |
glOrtho(-1.0, 1.0, -1.0, 1.0, -0.5, 1000.0); |
glMatrixMode(GL_MODELVIEW); |
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asm volatile ("int3"); |
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// glClear(GL_COLOR_BUFFER_BIT); |
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glShadeModel( GL_SMOOTH ); |
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glBegin(GL_TRIANGLES); |
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/* Note: call the list from inside a begin/end pair. The end is |
* provided by the display list... |
*/ |
glCallList(list); |
glFlush(); |
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asm volatile ("int3"); |
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eglSwapBuffers(dpy, surface); |
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glFinish(); |
eglMakeCurrent(dpy, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); |
eglDestroySurface(dpy, surface); |
gbm_surface_destroy(gs); |
eglDestroyContext(dpy, context); |
eglTerminate(dpy); |
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while(1) |
{ |
delay(1); |
} |
return 0; |
} |