diff options
Diffstat (limited to 'progs/egl')
| -rw-r--r-- | progs/egl/.gitignore | 1 | ||||
| -rw-r--r-- | progs/egl/Makefile | 6 | ||||
| -rw-r--r-- | progs/egl/eglscreen.c | 116 |
3 files changed, 123 insertions, 0 deletions
diff --git a/progs/egl/.gitignore b/progs/egl/.gitignore index 497b0ebbe3..793c6c0f61 100644 --- a/progs/egl/.gitignore +++ b/progs/egl/.gitignore @@ -3,6 +3,7 @@ demo2 demo3 eglgears eglinfo +eglscreen egltri peglgears xeglgears diff --git a/progs/egl/Makefile b/progs/egl/Makefile index f31c21e87e..e1fdb1ce63 100644 --- a/progs/egl/Makefile +++ b/progs/egl/Makefile @@ -15,6 +15,7 @@ PROGRAMS = \ egltri \ eglinfo \ eglgears \ + eglscreen \ peglgears \ xeglgears \ xegl_tri @@ -69,6 +70,11 @@ eglgears: eglgears.o $(TOP)/$(LIB_DIR)/libEGL.so eglgears.o: eglgears.c $(HEADERS) $(CC) -c $(CFLAGS) -I$(TOP)/include eglgears.c +eglscreen: eglscreen.o $(TOP)/$(LIB_DIR)/libEGL.so + $(CC) $(CFLAGS) $(LDFLAGS) eglscreen.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ + +eglscreen.o: eglscreen.c $(HEADERS) + $(CC) -c $(CFLAGS) -I$(TOP)/include eglscreen.c peglgears: peglgears.o $(TOP)/$(LIB_DIR)/libEGL.so $(CC) $(CFLAGS) peglgears.o -L$(TOP)/$(LIB_DIR) -lEGL -lGL $(LIBDRM_LIB) $(APP_LIB_DEPS) -o $@ diff --git a/progs/egl/eglscreen.c b/progs/egl/eglscreen.c new file mode 100644 index 0000000000..f3b7f04f96 --- /dev/null +++ b/progs/egl/eglscreen.c @@ -0,0 +1,116 @@ +/* + * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + +/* + * Stolen from eglgears + * + * Creates a surface and show that on the first screen + */ + +#define EGL_EGLEXT_PROTOTYPES + +#include <assert.h> +#include <math.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <GL/gl.h> +#include <EGL/egl.h> +#include <EGL/eglext.h> + +#define MAX_CONFIGS 10 +#define MAX_MODES 100 + +int +main(int argc, char *argv[]) +{ + int maj, min; + EGLSurface screen_surf; + EGLConfig configs[MAX_CONFIGS]; + EGLint numConfigs, i; + EGLBoolean b; + EGLDisplay d; + EGLint screenAttribs[10]; + EGLModeMESA mode[MAX_MODES]; + EGLScreenMESA screen; + EGLint count, chosenMode; + EGLint width = 0, height = 0; + + d = eglGetDisplay((EGLNativeDisplayType)"!EGL_i915"); + assert(d); + + if (!eglInitialize(d, &maj, &min)) { + printf("eglscreen: eglInitialize failed\n"); + exit(1); + } + + printf("eglscreen: EGL version = %d.%d\n", maj, min); + printf("eglscreen: EGL_VENDOR = %s\n", eglQueryString(d, EGL_VENDOR)); + + /* XXX use ChooseConfig */ + eglGetConfigs(d, configs, MAX_CONFIGS, &numConfigs); + eglGetScreensMESA(d, &screen, 1, &count); + + if (!eglGetModesMESA(d, screen, mode, MAX_MODES, &count) || count == 0) { + printf("eglscreen: eglGetModesMESA failed!\n"); + return 0; + } + + /* Print list of modes, and find the one to use */ + printf("eglscreen: Found %d modes:\n", count); + for (i = 0; i < count; i++) { + EGLint w, h; + eglGetModeAttribMESA(d, mode[i], EGL_WIDTH, &w); + eglGetModeAttribMESA(d, mode[i], EGL_HEIGHT, &h); + printf("%3d: %d x %d\n", i, w, h); + if (w > width && h > height) { + width = w; + height = h; + chosenMode = i; + } + } + printf("eglscreen: Using screen mode/size %d: %d x %d\n", chosenMode, width, height); + + /* build up screenAttribs array */ + i = 0; + screenAttribs[i++] = EGL_WIDTH; + screenAttribs[i++] = width; + screenAttribs[i++] = EGL_HEIGHT; + screenAttribs[i++] = height; + screenAttribs[i++] = EGL_NONE; + + screen_surf = eglCreateScreenSurfaceMESA(d, configs[0], screenAttribs); + if (screen_surf == EGL_NO_SURFACE) { + printf("eglscreen: Failed to create screen surface\n"); + return 0; + } + + b = eglShowScreenSurfaceMESA(d, screen, screen_surf, mode[chosenMode]); + if (!b) { + printf("eglscreen: Show surface failed\n"); + return 0; + } + + eglDestroySurface(d, screen_surf); + eglTerminate(d); + + return 0; +} |