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updates for EGL 1.4

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This commit is contained in:
Brian Paul 2008-05-27 13:47:07 -06:00
parent 1ed1027e88
commit 096b79bf17
2 changed files with 42 additions and 20 deletions
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5
progs/egl/demo1.c
View file

@ -2,7 +2,10 @@
* Exercise EGL API functions
*/
#define EGL_EGLEXT_PROTOTYPES
#include <GLES/egl.h>
#include <GLES/eglext.h>
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
@ -102,7 +105,7 @@ main(int argc, char *argv[])
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
EGLDisplay d = eglGetDisplay("!EGL_i915");
EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {

57
progs/egl/demo2.c
View file

@ -2,35 +2,54 @@
* Exercise EGL API functions
*/
#define EGL_EGLEXT_PROTOTYPES
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <GLES/egl.h>
#include <GLES/eglext.h>
#include <GLES/gl.h>
/*#define FRONTBUFFER*/
static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2)
static void _subset_Rectf(GLfloat x1, GLfloat y1, GLfloat x2, GLfloat y2,
GLfloat r, GLfloat g, GLfloat b)
{
glBegin( GL_QUADS );
glVertex2f( x1, y1 );
glVertex2f( x2, y1 );
glVertex2f( x2, y2 );
glVertex2f( x1, y2 );
glEnd();
GLfloat v[4][2], c[4][4];
int i;
v[0][0] = x1; v[0][1] = y1;
v[1][0] = x2; v[1][1] = y1;
v[2][0] = x2; v[2][1] = y2;
v[3][0] = x1; v[3][1] = y2;
for (i = 0; i < 4; i++) {
c[i][0] = r;
c[i][1] = g;
c[i][2] = b;
c[i][3] = 1.0;
}
glVertexPointer(2, GL_FLOAT, 0, v);
glColorPointer(4, GL_FLOAT, 0, v);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glDrawArrays(GL_TRIANGLE_FAN, 0, 4);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
}
static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
{
printf("Redraw event\n");
GLfloat r, g, b;
#ifdef FRONTBUFFER
glDrawBuffer( GL_FRONT );
#else
glDrawBuffer( GL_BACK );
#endif
printf("Redraw event\n");
glClearColor( rand()/(float)RAND_MAX,
rand()/(float)RAND_MAX,
@ -39,13 +58,14 @@ static void redraw(EGLDisplay dpy, EGLSurface surf, int rot)
glClear( GL_COLOR_BUFFER_BIT );
glColor3f( rand()/(float)RAND_MAX,
rand()/(float)RAND_MAX,
rand()/(float)RAND_MAX );
r = rand()/(float)RAND_MAX;
g = rand()/(float)RAND_MAX;
b = rand()/(float)RAND_MAX;
glPushMatrix();
glRotatef(rot, 0, 0, 1);
glScalef(.5, .5, .5);
_subset_Rectf( -1, -1, 1, 1 );
_subset_Rectf( -1, -1, 1, 1, r, g, b );
glPopMatrix();
#ifdef FRONTBUFFER
@ -102,7 +122,7 @@ main(int argc, char *argv[])
/*
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
*/
EGLDisplay d = eglGetDisplay("!EGL_i915");
EGLDisplay d = eglGetDisplay((EGLNativeDisplayType) "!EGL_i915");
assert(d);
if (!eglInitialize(d, &maj, &min)) {
@ -161,7 +181,6 @@ main(int argc, char *argv[])
}
glViewport(0, 0, 1024, 768);
glDrawBuffer( GL_FRONT );
glClearColor( 0,
1.0,