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Use eglBindTexImage instead of copying texture data.

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This commit is contained in:
Kristian Høgsberg 2008-11-03 08:09:34 -05:00
parent ca1d1f65d0
commit 2d9cd1ee51
1 changed files with 15 additions and 60 deletions
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75
egl-compositor.c
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@ -21,15 +21,15 @@ struct egl_compositor {
EGLDisplay display;
EGLSurface surface;
EGLContext context;
EGLConfig config;
struct wl_display *wl_display;
int gem_fd;
};
struct surface_data {
uint32_t handle;
int32_t width, height, stride;
GLuint texture;
struct wl_map map;
EGLSurface surface;
};
static void
@ -102,7 +102,7 @@ void notify_surface_create(struct wl_compositor *compositor,
if (sd == NULL)
return;
sd->handle = 0;
sd->surface = EGL_NO_SURFACE;
wl_surface_set_data(surface, sd);
glGenTextures(1, &sd->texture);
@ -113,18 +113,13 @@ void notify_surface_destroy(struct wl_compositor *compositor,
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct drm_gem_close close_arg;
int ret;
sd = wl_surface_get_data(surface);
if (sd == NULL || sd->handle == 0)
if (sd == NULL)
return;
close_arg.handle = sd->handle;
ret = ioctl(ec->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg);
if (ret != 0) {
fprintf(stderr, "failed to gem_close handle %d: %m\n", sd->handle);
}
if (sd->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, sd->surface);
glDeleteTextures(1, &sd->texture);
@ -139,64 +134,23 @@ void notify_surface_attach(struct wl_compositor *compositor,
{
struct egl_compositor *ec = (struct egl_compositor *) compositor;
struct surface_data *sd;
struct drm_gem_open open_arg;
struct drm_gem_close close_arg;
struct drm_i915_gem_pread pread;
void *data;
uint32_t size;
int ret;
sd = wl_surface_get_data(surface);
if (sd == NULL)
return;
if (sd->handle != 0) {
close_arg.handle = sd->handle;
ret = ioctl(ec->gem_fd, DRM_IOCTL_GEM_CLOSE, &close_arg);
if (ret != 0) {
fprintf(stderr, "failed to gem_close name %d: %m\n", name);
}
}
if (sd->surface != EGL_NO_SURFACE)
eglDestroySurface(ec->display, sd->surface);
open_arg.name = name;
ret = ioctl(ec->gem_fd, DRM_IOCTL_GEM_OPEN, &open_arg);
if (ret != 0) {
fprintf(stderr, "failed to gem_open name %d, fd=%d: %m\n", name, ec->gem_fd);
return;
}
sd->handle = open_arg.handle;
sd->width = width;
sd->height = height;
sd->stride = stride;
size = sd->height * sd->stride;
data = malloc(size);
if (data == NULL) {
fprintf(stderr, "swap buffers malloc failed\n");
return;
}
pread.handle = sd->handle;
pread.pad = 0;
pread.offset = 0;
pread.size = size;
pread.data_ptr = (long) data;
if (ioctl(ec->gem_fd, DRM_IOCTL_I915_GEM_PREAD, &pread)) {
fprintf(stderr, "gem pread failed\n");
return;
}
sd->surface = eglCreatePixmapForName(ec->display, ec->config,
name, width, height, stride, NULL);
glBindTexture(GL_TEXTURE_2D, sd->texture);
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);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0,
GL_BGRA, GL_UNSIGNED_BYTE, data);
free(data);
eglBindTexImage(ec->display, sd->surface, GL_TEXTURE_2D);
schedule_repaint(ec);
}
@ -256,14 +210,15 @@ wl_compositor_create(struct wl_display *display)
return NULL;
}
ec->surface = eglCreateSurfaceNative(ec->display, configs[24],
ec->config = configs[24];
ec->surface = eglCreateSurfaceNative(ec->display, ec->config,
0, 0, width, height);
if (ec->surface == NULL) {
fprintf(stderr, "failed to create surface\n");
return NULL;
}
ec->context = eglCreateContext(ec->display, configs[24], NULL, NULL);
ec->context = eglCreateContext(ec->display, ec->config, NULL, NULL);
if (ec->context == NULL) {
fprintf(stderr, "failed to create context\n");
return NULL;