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Switch to using mesa EGL

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This commit is contained in:
Kristian Høgsberg 2010-03-03 09:54:29 -05:00
parent f52e03ff47
commit 3afd45d49c
4 changed files with 102 additions and 67 deletions
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54
gears.c
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@ -33,8 +33,10 @@
#include <cairo-drm.h>
#define GL_GLEXT_PROTOTYPES
#define EGL_EGLEXT_PROTOTYPES
#include <GL/gl.h>
#include <eagle.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include "wayland-util.h"
#include "wayland-client.h"
@ -54,6 +56,8 @@ struct gears {
EGLDisplay display;
EGLContext context;
EGLImageKHR image;
int drm_fd;
int resized;
GLfloat angle;
cairo_surface_t *cairo_surface;
@ -244,6 +248,15 @@ draw_gears(struct gears *gears)
static void
resize_window(struct gears *gears)
{
EGLint attribs[] = {
EGL_IMAGE_WIDTH_INTEL, 0,
EGL_IMAGE_HEIGHT_INTEL, 0,
EGL_IMAGE_FORMAT_INTEL, EGL_FORMAT_RGBA_8888_KHR,
EGL_IMAGE_USE_INTEL, EGL_IMAGE_USE_SHARE_INTEL |
EGL_IMAGE_USE_SCANOUT_INTEL,
EGL_NONE
};
/* Constrain child size to be square and at least 300x300 */
window_get_child_rectangle(gears->window, &gears->rectangle);
if (gears->rectangle.width > gears->rectangle.height)
@ -258,11 +271,16 @@ resize_window(struct gears *gears)
window_draw(gears->window);
if (gears->image)
eglDestroyImageKHR(gears->display, gears->image);
attribs[1] = gears->rectangle.width;
attribs[1] = gears->rectangle.height;
gears->image = eglCreateImageKHR(gears->display, gears->context,
EGL_SYSTEM_IMAGE_INTEL,
NULL, attribs);
glBindRenderbuffer(GL_RENDERBUFFER_EXT, gears->color_rbo);
glRenderbufferStorage(GL_RENDERBUFFER_EXT,
GL_RGBA,
gears->rectangle.width,
gears->rectangle.height);
glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, gears->image);
glBindRenderbuffer(GL_RENDERBUFFER_EXT, gears->depth_rbo);
glRenderbufferStorage(GL_RENDERBUFFER_EXT,
@ -323,15 +341,10 @@ handle_frame(void *data,
uint32_t frame, uint32_t timestamp)
{
struct gears *gears = data;
GLint name, stride;
EGLint name, handle, stride;
glBindRenderbuffer(GL_RENDERBUFFER_EXT, gears->color_rbo);
glGetRenderbufferParameteriv(GL_RENDERBUFFER_EXT,
GL_RENDERBUFFER_STRIDE_INTEL,
&stride);
glGetRenderbufferParameteriv(GL_RENDERBUFFER_EXT,
GL_RENDERBUFFER_NAME_INTEL,
&name);
eglShareImageINTEL(gears->display, gears->context,
gears->image, 0, &name, &handle, &stride);
window_copy(gears->window, &gears->rectangle, name, stride);
@ -346,25 +359,24 @@ static const struct wl_compositor_listener compositor_listener = {
};
static struct gears *
gears_create(struct display *display)
gears_create(struct display *display, int drm_fd)
{
const int x = 200, y = 200, width = 450, height = 500;
EGLint major, minor;
struct udev *udev;
struct udev_device *device;
EGLDisplayTypeDRMMESA drm_display;
struct gears *gears;
int i;
udev = udev_new();
device = udev_device_new_from_syspath(udev, "/sys/class/drm/card0");
gears = malloc(sizeof *gears);
memset(gears, 0, sizeof *gears);
gears->d = display;
gears->window = window_create(display, "Wayland Gears",
x, y, width, height);
gears->display = eglCreateDisplayNative(device);
drm_display.type = EGL_DISPLAY_TYPE_DRM_MESA;
drm_display.device = NULL;
drm_display.fd = drm_fd;
gears->display = eglGetDisplay((EGLNativeDisplayType) &drm_display);
if (gears->display == NULL)
die("failed to create egl display\n");
@ -460,7 +472,7 @@ int main(int argc, char *argv[])
source = wl_glib_source_new(display);
g_source_attach(source, NULL);
gears = gears_create(d);
gears = gears_create(d, fd);
g_main_loop_run(loop);