vbo: if 'end' is out of bounds, clamp it

[mesa.git] / progs / egl / demo1.c

diff --git a/progs/egl/demo1.c b/progs/egl/demo1.c
index 9b9a2ed4aba47bcbbca168037ae6ee27e5d7027b..34a516e72fcfe2876b60467eedd928d0cb357640 100644 (file)
--- a/progs/egl/demo1.c
+++ b/progs/egl/demo1.c
@@ -2,10 +2,83 @@
  * Exercise EGL API functions
  */
 
-#include <GLES/egl.h>
+#define EGL_EGLEXT_PROTOTYPES
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
 #include <assert.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
+
+
+/**
+ * Test EGL_MESA_screen_surface functions
+ */
+static void
+TestScreens(EGLDisplay dpy)
+{
+#define MAX 8
+   EGLScreenMESA screens[MAX];
+   EGLint numScreens;
+   EGLint i;
+
+   eglGetScreensMESA(dpy, screens, MAX, &numScreens);
+   printf("Found %d screens\n", numScreens);
+   for (i = 0; i < numScreens; i++) {
+      printf(" Screen %d handle: %d\n", i, (int) screens[i]);
+   }
+}
+
+/**
+ * Print table of all available configurations.
+ */
+static void
+PrintConfigs(EGLDisplay d, EGLConfig *configs, EGLint numConfigs)
+{
+   EGLint i;
+
+   printf("Configurations:\n");
+   printf("     bf lv d st colorbuffer dp st   supported \n");
+   printf("  id sz  l b ro  r  g  b  a th cl   surfaces  \n");
+   printf("----------------------------------------------\n");
+   for (i = 0; i < numConfigs; i++) {
+      EGLint id, size, level;
+      EGLint red, green, blue, alpha;
+      EGLint depth, stencil;
+      EGLint surfaces;
+      EGLint doubleBuf = 1, stereo = 0;
+      char surfString[100] = "";
+
+      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
+      eglGetConfigAttrib(d, configs[i], EGL_BUFFER_SIZE, &size);
+      eglGetConfigAttrib(d, configs[i], EGL_LEVEL, &level);
+
+      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
+      eglGetConfigAttrib(d, configs[i], EGL_GREEN_SIZE, &green);
+      eglGetConfigAttrib(d, configs[i], EGL_BLUE_SIZE, &blue);
+      eglGetConfigAttrib(d, configs[i], EGL_ALPHA_SIZE, &alpha);
+      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
+      eglGetConfigAttrib(d, configs[i], EGL_STENCIL_SIZE, &stencil);
+      eglGetConfigAttrib(d, configs[i], EGL_SURFACE_TYPE, &surfaces);
+
+      if (surfaces & EGL_WINDOW_BIT)
+         strcat(surfString, "win,");
+      if (surfaces & EGL_PBUFFER_BIT)
+         strcat(surfString, "pb,");
+      if (surfaces & EGL_PIXMAP_BIT)
+         strcat(surfString, "pix,");
+      if (strlen(surfString) > 0)
+         surfString[strlen(surfString) - 1] = 0;
+
+      printf("0x%02x %2d %2d %c  %c %2d %2d %2d %2d %2d %2d   %-12s\n",
+             id, size, level,
+             doubleBuf ? 'y' : '.',
+             stereo ? 'y' : '.',
+             red, green, blue, alpha,
+             depth, stencil, surfString);
+   }
+}
 
 
 
@@ -15,8 +88,8 @@ main(int argc, char *argv[])
    int maj, min;
    EGLContext ctx;
    EGLSurface pbuffer;
-   EGLConfig configs[10];
-   EGLint numConfigs, i;
+   EGLConfig *configs;
+   EGLint numConfigs;
    EGLBoolean b;
    const EGLint pbufAttribs[] = {
       EGL_WIDTH, 500,
@@ -24,10 +97,7 @@ main(int argc, char *argv[])
       EGL_NONE
    };
 
-   /*
    EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
-   */
-   EGLDisplay d = eglGetDisplay("!demo");
    assert(d);
 
    if (!eglInitialize(d, &maj, &min)) {
@@ -38,15 +108,11 @@ main(int argc, char *argv[])
    printf("EGL version = %d.%d\n", maj, min);
    printf("EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR));
 
-   eglGetConfigs(d, configs, 10, &numConfigs);
-   printf("Got %d EGL configs:\n", numConfigs);
-   for (i = 0; i < numConfigs; i++) {
-      EGLint id, red, depth;
-      eglGetConfigAttrib(d, configs[i], EGL_CONFIG_ID, &id);
-      eglGetConfigAttrib(d, configs[i], EGL_RED_SIZE, &red);
-      eglGetConfigAttrib(d, configs[i], EGL_DEPTH_SIZE, &depth);
-      printf("%2d:  Red Size = %d  Depth Size = %d\n", id, red, depth);
-   }
+   eglGetConfigs(d, NULL, 0, &numConfigs);
+   configs = malloc(sizeof(*configs) *numConfigs);
+   eglGetConfigs(d, configs, numConfigs, &numConfigs);
+
+   PrintConfigs(d, configs, numConfigs);
 
    ctx = eglCreateContext(d, configs[0], EGL_NO_CONTEXT, NULL);
    if (ctx == EGL_NO_CONTEXT) {
@@ -60,6 +126,8 @@ main(int argc, char *argv[])
       return 0;
    }
 
+   free(configs);
+
    b = eglMakeCurrent(d, pbuffer, pbuffer, ctx);
    if (!b) {
       printf("make current failed\n");
@@ -68,6 +136,8 @@ main(int argc, char *argv[])
 
    b = eglMakeCurrent(d, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
 
+   TestScreens(d);
+
    eglDestroySurface(d, pbuffer);
    eglDestroyContext(d, ctx);
    eglTerminate(d);