From 53557133c21205dab879365234727416977e8a4b Mon Sep 17 00:00:00 2001 From: dec05eba Date: Tue, 10 Jun 2025 00:32:51 +0200 Subject: Reapply "Fix screen and portal capture not working on some intel gpus" This reverts commit 7f00ce22e7e86904e09f900422dfa591d045f447. --- src/image_writer.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'src/image_writer.c') diff --git a/src/image_writer.c b/src/image_writer.c index e153a34..3d731a0 100644 --- a/src/image_writer.c +++ b/src/image_writer.c @@ -71,11 +71,15 @@ static bool gsr_image_writer_write_opengl_texture_to_file(gsr_image_writer *self return false; } - // TODO: hdr support - self->egl->glBindTexture(GL_TEXTURE_2D, self->texture); - // We could use glGetTexSubImage, but it's only available starting from opengl 4.5 - self->egl->glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, frame_data); - self->egl->glBindTexture(GL_TEXTURE_2D, 0); + unsigned int fbo = 0; + self->egl->glGenFramebuffers(1, &fbo); + self->egl->glBindFramebuffer(GL_FRAMEBUFFER, fbo); + self->egl->glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, self->texture, 0); + + self->egl->glReadPixels(0, 0, self->width, self->height, GL_RGBA, GL_UNSIGNED_BYTE, frame_data); + + self->egl->glBindFramebuffer(GL_FRAMEBUFFER, 0); + self->egl->glDeleteFramebuffers(1, &fbo); self->egl->glFlush(); self->egl->glFinish(); -- cgit v1.2.3-70-g09d2