@@ -31,6 +31,7 @@ void egl_fb_setup_for_tex(egl_fb *fb, int width, int height,
void egl_fb_setup_new_tex(egl_fb *fb, int width, int height);
void egl_fb_blit(egl_fb *dst, egl_fb *src, bool flip);
void egl_fb_read(DisplaySurface *dst, egl_fb *src);
+void egl_fb_read_rect(DisplaySurface *dst, egl_fb *src, int x, int y, int w, int h);
void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip);
void egl_texture_blend(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip,
@@ -169,6 +169,20 @@ void egl_fb_read(DisplaySurface *dst, egl_fb *src)
GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst));
}
+void egl_fb_read_rect(DisplaySurface *dst, egl_fb *src, int x, int y, int w, int h)
+{
+ assert(surface_width(dst) == src->width);
+ assert(surface_height(dst) == src->height);
+ assert(surface_format(dst) == PIXMAN_x8r8g8b8);
+
+ glBindFramebuffer(GL_READ_FRAMEBUFFER, src->framebuffer);
+ glReadBuffer(GL_COLOR_ATTACHMENT0_EXT);
+ glPixelStorei(GL_PACK_ROW_LENGTH, surface_stride(dst) / 4);
+ glReadPixels(x, y, w, h,
+ GL_BGRA, GL_UNSIGNED_BYTE, surface_data(dst) + x * 4);
+ glPixelStorei(GL_PACK_ROW_LENGTH, 0);
+}
+
void egl_texture_blit(QemuGLShader *gls, egl_fb *dst, egl_fb *src, bool flip)
{
glBindFramebuffer(GL_FRAMEBUFFER_EXT, dst->framebuffer);