*/
+#define GL_GLEXT_PROTOTYPES
+#define EGL_EGLEXT_PROTOTYPES
+
#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include <GL/gl.h>
#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
#define BENCHMARK
static void
draw(void)
{
+ glClearColor(0.2, 0.2, 0.2, 0.2);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glEndList();
glEnable(GL_NORMALIZE);
-
- glClearColor(0.2, 0.2, 0.2, 0.0);
}
EGLSurface win;
EGLSurface pix;
EGLSurface pbuf;
+ EGLImageKHR image;
EGLBoolean verbose;
EGLint major, minor;
+
+ GC gc;
+ GLuint fbo;
};
static struct egl_manager *
}
}
+ eman->gc = XCreateGC(eman->xdpy, eman->xwin, 0, NULL);
+
XMapWindow(eman->xdpy, eman->xwin);
return EGL_TRUE;
if (eman->xpix != None)
XFreePixmap(eman->xdpy, eman->xpix);
+ XFreeGC(eman->xdpy, eman->gc);
+
free(eman);
}
+enum {
+ GEARS_WINDOW,
+ GEARS_PIXMAP,
+ GEARS_PIXMAP_TEXTURE,
+ GEARS_PBUFFER,
+ GEARS_PBUFFER_TEXTURE,
+ GEARS_RENDERBUFFER
+};
+
+static void
+texture_gears(struct egl_manager *eman, int surface_type)
+{
+ static const GLint verts[12] =
+ { -5, -6, -10, 5, -6, -10, -5, 4, 10, 5, 4, 10 };
+ static const GLint tex_coords[8] = { 0, 0, 1, 0, 0, 1, 1, 1 };
+
+ eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx);
+
+ glClearColor(0, 0, 0, 0);
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glEnable(GL_TEXTURE_2D);
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_R, GL_REPEAT);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+
+ glEnableClientState(GL_VERTEX_ARRAY);
+ glEnableClientState(GL_TEXTURE_COORD_ARRAY);
+ glVertexPointer(3, GL_INT, 0, verts);
+ glTexCoordPointer(2, GL_INT, 0, tex_coords);
+
+ if (surface_type == GEARS_PBUFFER_TEXTURE)
+ eglBindTexImage(eman->dpy, eman->pbuf, EGL_BACK_BUFFER);
+
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+
+ glDisableClientState(GL_VERTEX_ARRAY);
+ glDisableClientState(GL_COLOR_ARRAY);
+ glDisable(GL_TEXTURE_2D);
+
+ if (surface_type == GEARS_PBUFFER_TEXTURE)
+ eglReleaseTexImage(eman->dpy, eman->pbuf, EGL_BACK_BUFFER);
+
+ eglSwapBuffers(eman->dpy, eman->win);
+}
+
+static void
+copy_gears(struct egl_manager *eman,
+ EGLint tile_w, EGLint tile_h, EGLint w, EGLint h)
+{
+ int x, y;
+
+ eglWaitClient();
+
+ for (x = 0; x < w; x += tile_w) {
+ for (y = 0; y < h; y += tile_h) {
+
+ XCopyArea(eman->xdpy, eman->xpix, eman->xwin, eman->gc,
+ 0, 0, tile_w, tile_h, x, y);
+ }
+ }
+}
+
static void
event_loop(struct egl_manager *eman, EGLint surface_type, EGLint w, EGLint h)
{
- GC gc = XCreateGC(eman->xdpy, eman->xwin, 0, NULL);
- EGLint orig_w = w, orig_h = h;
+ int window_w = w, window_h = h;
if (surface_type == EGL_PBUFFER_BIT)
printf("there will be no screen update if "
/* we'll redraw below */
break;
case ConfigureNotify:
- w = event.xconfigure.width;
- h = event.xconfigure.height;
+ window_w = event.xconfigure.width;
+ window_h = event.xconfigure.height;
if (surface_type == EGL_WINDOW_BIT)
- reshape(w, h);
+ reshape(window_w, window_h);
break;
case KeyPress:
{
static int frames = 0;
static double tRot0 = -1.0, tRate0 = -1.0;
double dt, t = current_time();
- int x, y;
if (tRot0 < 0.0)
tRot0 = t;
dt = t - tRot0;
if (angle > 3600.0)
angle -= 3600.0;
- draw();
switch (surface_type) {
- case EGL_WINDOW_BIT:
+ case GEARS_WINDOW:
+ draw();
eglSwapBuffers(eman->dpy, eman->win);
break;
- case EGL_PBUFFER_BIT:
- eglWaitClient();
- if (!eglCopyBuffers(eman->dpy, eman->pbuf, eman->xpix))
- break;
- /* fall through */
- case EGL_PIXMAP_BIT:
- eglWaitClient();
- for (x = 0; x < w; x += orig_w) {
- for (y = 0; y < h; y += orig_h) {
- XCopyArea(eman->xdpy, eman->xpix, eman->xwin, gc,
- 0, 0, orig_w, orig_h, x, y);
- }
- }
- break;
- }
+
+ case GEARS_PBUFFER:
+ draw();
+ if (!eglCopyBuffers(eman->dpy, eman->pbuf, eman->xpix))
+ break;
+ copy_gears(eman, w, h, window_w, window_h);
+ break;
+
+ case GEARS_PBUFFER_TEXTURE:
+ eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx);
+ draw();
+ texture_gears(eman, surface_type);
+ break;
+
+ case GEARS_PIXMAP:
+ draw();
+ copy_gears(eman, w, h, window_w, window_h);
+ break;
+
+ case GEARS_PIXMAP_TEXTURE:
+ eglMakeCurrent(eman->dpy, eman->pix, eman->pix, eman->ctx);
+ draw();
+ texture_gears(eman, surface_type);
+ break;
+
+ case GEARS_RENDERBUFFER:
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo);
+ draw();
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, 0);
+ texture_gears(eman, surface_type);
+ break;
+ }
frames++;
}
}
}
-
- XFreeGC(eman->xdpy, gc);
}
printf(" -fullscreen run in fullscreen mode\n");
printf(" -info display OpenGL renderer info\n");
printf(" -pixmap use pixmap surface\n");
- printf(" -pbuffer use pbuffer surface\n");
+ printf(" -pixmap-texture use pixmap surface and texture using EGLImage\n");
+ printf(" -pbuffer use pbuffer surface and eglCopyBuffers\n");
+ printf(" -pbuffer-texture use pbuffer surface and eglBindTexImage\n");
+ printf(" -renderbuffer renderbuffer as EGLImage and bind as texture from\n");
}
+static const char *names[] = {
+ "window",
+ "pixmap",
+ "pixmap_texture",
+ "pbuffer",
+ "pbuffer_texture",
+ "renderbuffer"
+};
int
main(int argc, char *argv[])
char *dpyName = NULL;
struct egl_manager *eman;
EGLint attribs[] = {
- EGL_SURFACE_TYPE, 0, /* filled later */
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT, /* may be changed later */
EGL_RED_SIZE, 1,
EGL_GREEN_SIZE, 1,
EGL_BLUE_SIZE, 1,
EGL_NONE
};
char win_title[] = "xeglgears (window/pixmap/pbuffer)";
- EGLint surface_type = EGL_WINDOW_BIT;
+ EGLint surface_type = GEARS_WINDOW;
GLboolean printInfo = GL_FALSE;
GLboolean fullscreen = GL_FALSE;
EGLBoolean ret;
+ GLuint texture, color_rb, depth_rb;
int i;
for (i = 1; i < argc; i++) {
fullscreen = GL_TRUE;
}
else if (strcmp(argv[i], "-pixmap") == 0) {
- surface_type = EGL_PIXMAP_BIT;
+ surface_type = GEARS_PIXMAP;
+ attribs[1] = EGL_PIXMAP_BIT;
+ }
+ else if (strcmp(argv[i], "-pixmap-texture") == 0) {
+ surface_type = GEARS_PIXMAP_TEXTURE;
+ attribs[1] = EGL_PIXMAP_BIT;
}
else if (strcmp(argv[i], "-pbuffer") == 0) {
- surface_type = EGL_PBUFFER_BIT;
+ surface_type = GEARS_PBUFFER;
+ attribs[1] = EGL_PBUFFER_BIT;
+ }
+ else if (strcmp(argv[i], "-pbuffer-texture") == 0) {
+ surface_type = GEARS_PBUFFER_TEXTURE;
+ attribs[1] = EGL_PBUFFER_BIT;
+ }
+ else if (strcmp(argv[i], "-renderbuffer") == 0) {
+ surface_type = GEARS_RENDERBUFFER;
}
else {
usage();
}
}
- /* set surface type */
- attribs[1] = surface_type;
-
x_dpy = XOpenDisplay(dpyName);
if (!x_dpy) {
printf("Error: couldn't open display %s\n",
return -1;
}
- snprintf(win_title, sizeof(win_title), "xeglgears (%s)",
- (surface_type == EGL_WINDOW_BIT) ? "window" :
- (surface_type == EGL_PIXMAP_BIT) ? "pixmap" : "pbuffer");
+ snprintf(win_title, sizeof(win_title),
+ "xeglgears (%s)", names[surface_type]);
+
+ ret = egl_manager_create_window(eman, win_title, winWidth, winHeight,
+ EGL_TRUE, fullscreen, NULL);
+ if (!ret)
+ return -1;
/* create surface(s) */
switch (surface_type) {
- case EGL_WINDOW_BIT:
- ret = egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_TRUE, fullscreen, NULL);
+ case GEARS_WINDOW:
if (ret)
ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx);
break;
- case EGL_PIXMAP_BIT:
- ret = (egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_FALSE, fullscreen, NULL) &&
- egl_manager_create_pixmap(eman, eman->xwin,
- EGL_TRUE, NULL));
+ case GEARS_PIXMAP:
+ case GEARS_PIXMAP_TEXTURE:
+ ret = egl_manager_create_pixmap(eman, eman->xwin, EGL_TRUE, NULL);
+ if (surface_type == GEARS_PIXMAP_TEXTURE)
+ eman->image = eglCreateImageKHR (eman->dpy, eman->ctx,
+ EGL_NATIVE_PIXMAP_KHR,
+ (EGLClientBuffer) eman->xpix, NULL);
if (ret)
ret = eglMakeCurrent(eman->dpy, eman->pix, eman->pix, eman->ctx);
break;
- case EGL_PBUFFER_BIT:
+ case GEARS_PBUFFER:
+ case GEARS_PBUFFER_TEXTURE:
{
EGLint pbuf_attribs[] = {
EGL_WIDTH, winWidth,
EGL_HEIGHT, winHeight,
+ EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB,
+ EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_NONE
};
- ret = (egl_manager_create_window(eman, win_title, winWidth, winHeight,
- EGL_FALSE, fullscreen, NULL) &&
- egl_manager_create_pixmap(eman, eman->xwin,
- EGL_FALSE, NULL) &&
+ ret = (egl_manager_create_pixmap(eman, eman->xwin,
+ EGL_TRUE, NULL) &&
egl_manager_create_pbuffer(eman, pbuf_attribs));
if (ret)
ret = eglMakeCurrent(eman->dpy, eman->pbuf, eman->pbuf, eman->ctx);
}
break;
+
+
+ case GEARS_RENDERBUFFER:
+ ret = eglMakeCurrent(eman->dpy, eman->win, eman->win, eman->ctx);
+ if (ret == EGL_FALSE)
+ printf("failed to make context current\n");
+
+ glGenFramebuffers(1, &eman->fbo);
+ glBindFramebuffer(GL_FRAMEBUFFER_EXT, eman->fbo);
+
+ glGenRenderbuffers(1, &color_rb);
+ glBindRenderbuffer(GL_RENDERBUFFER_EXT, color_rb);
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_RGBA, winWidth, winHeight);
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+ GL_COLOR_ATTACHMENT0_EXT,
+ GL_RENDERBUFFER_EXT,
+ color_rb);
+
+ eman->image = eglCreateImageKHR(eman->dpy, eman->ctx,
+ EGL_GL_RENDERBUFFER_KHR,
+ (EGLClientBuffer) color_rb, NULL);
+
+ glGenRenderbuffers(1, &depth_rb);
+ glBindRenderbuffer(GL_RENDERBUFFER_EXT, depth_rb);
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT,
+ GL_DEPTH_COMPONENT, winWidth, winHeight);
+ glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT,
+ GL_DEPTH_ATTACHMENT_EXT,
+ GL_RENDERBUFFER_EXT,
+ depth_rb);
+
+ if (glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT) != GL_FRAMEBUFFER_COMPLETE) {
+ printf("framebuffer not complete\n");
+ exit(1);
+ }
+
+ break;
+
default:
ret = EGL_FALSE;
break;
}
+ switch (surface_type) {
+ case GEARS_PIXMAP_TEXTURE:
+ case GEARS_RENDERBUFFER:
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ glEGLImageTargetTexture2DOES(GL_TEXTURE_2D, eman->image);
+ break;
+ case GEARS_PBUFFER_TEXTURE:
+ glGenTextures(1, &texture);
+ glBindTexture(GL_TEXTURE_2D, texture);
+ break;
+ }
+
if (!ret) {
egl_manager_destroy(eman);
XCloseDisplay(x_dpy);
projects / mesa.git / blobdiff