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Diffstat (limited to 'progs/egl/demo2.c')
-rw-r--r--progs/egl/demo2.c59
1 files changed, 39 insertions, 20 deletions
diff --git a/progs/egl/demo2.c b/progs/egl/demo2.c
index 17bbca6158..d7283e13bd 100644
--- a/progs/egl/demo2.c
+++ b/progs/egl/demo2.c
@@ -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 <EGL/egl.h>
+#include <EGL/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("!fb_dri");
+ 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,