diff options
Diffstat (limited to 'render')
| -rw-r--r-- | render/gles2/renderer.c | 85 | ||||
| -rw-r--r-- | render/wlr_renderer.c | 10 |
2 files changed, 95 insertions, 0 deletions
diff --git a/render/gles2/renderer.c b/render/gles2/renderer.c index 59c970c3..3afade38 100644 --- a/render/gles2/renderer.c +++ b/render/gles2/renderer.c @@ -331,6 +331,84 @@ static bool gles2_read_pixels(struct wlr_renderer *wlr_renderer, return glGetError() == GL_NO_ERROR; } +static bool gles2_blit_dmabuf(struct wlr_renderer *wlr_renderer, + struct wlr_dmabuf_attributes *dst_attr, + struct wlr_dmabuf_attributes *src_attr) { + if (!gles2_procs.glEGLImageTargetRenderbufferStorageOES) { + return false; + } + + struct wlr_egl_context old_context; + wlr_egl_save_context(&old_context); + + bool r = false; + struct wlr_texture *src_tex = + wlr_texture_from_dmabuf(wlr_renderer, src_attr); + if (!src_tex) { + goto restore_context_out; + } + + // This is to take into account y-inversion on both buffers rather than + // just the source buffer. + bool src_inverted_y = + !!(src_attr->flags & WLR_DMABUF_ATTRIBUTES_FLAGS_Y_INVERT); + bool dst_inverted_y = + !!(dst_attr->flags & WLR_DMABUF_ATTRIBUTES_FLAGS_Y_INVERT); + struct wlr_gles2_texture *gles2_src_tex = gles2_get_texture(src_tex); + gles2_src_tex->inverted_y = src_inverted_y ^ dst_inverted_y; + + struct wlr_egl *egl = wlr_gles2_renderer_get_egl(wlr_renderer); + if (!wlr_egl_make_current(egl, EGL_NO_SURFACE, NULL)) { + goto texture_destroy_out; + } + + // TODO: The imported buffer should be checked with + // eglQueryDmaBufModifiersEXT to see if it may be modified. + EGLImageKHR image = wlr_egl_create_image_from_dmabuf(egl, dst_attr); + if (image == EGL_NO_IMAGE_KHR) { + goto texture_destroy_out; + } + + GLuint rbo = 0; + glGenRenderbuffers(1, &rbo); + glBindRenderbuffer(GL_RENDERBUFFER, rbo); + gles2_procs.glEGLImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, + image); + glBindRenderbuffer(GL_RENDERBUFFER, 0); + + GLuint fbo = 0; + glGenFramebuffers(1, &fbo); + glBindFramebuffer(GL_FRAMEBUFFER, fbo); + glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, + GL_RENDERBUFFER, rbo); + + GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER); + if (status != GL_FRAMEBUFFER_COMPLETE) { + goto out; + } + + // TODO: use ANGLE_framebuffer_blit if available + float mat[9]; + wlr_matrix_projection(mat, 1, 1, WL_OUTPUT_TRANSFORM_NORMAL); + + wlr_renderer_begin(wlr_renderer, dst_attr->width, dst_attr->height); + wlr_renderer_clear(wlr_renderer, (float[]){ 0.0, 0.0, 0.0, 0.0 }); + wlr_render_texture_with_matrix(wlr_renderer, src_tex, mat, 1.0f); + wlr_renderer_end(wlr_renderer); + + r = true; +out: + glBindFramebuffer(GL_FRAMEBUFFER, 0); + glDeleteFramebuffers(1, &fbo); + glDeleteRenderbuffers(1, &rbo); + wlr_egl_destroy_image(egl, image); +texture_destroy_out: + wlr_texture_destroy(src_tex); +restore_context_out: + wlr_egl_restore_context(&old_context); + return r; +} + static struct wlr_texture *gles2_texture_from_pixels( struct wlr_renderer *wlr_renderer, enum wl_shm_format wl_fmt, uint32_t stride, uint32_t width, uint32_t height, const void *data) { @@ -426,6 +504,7 @@ static const struct wlr_renderer_impl renderer_impl = { .texture_from_wl_drm = gles2_texture_from_wl_drm, .texture_from_dmabuf = gles2_texture_from_dmabuf, .init_wl_display = gles2_init_wl_display, + .blit_dmabuf = gles2_blit_dmabuf, }; void push_gles2_marker(const char *file, const char *func) { @@ -606,6 +685,12 @@ struct wlr_renderer *wlr_gles2_renderer_create(struct wlr_egl *egl) { "glEGLImageTargetTexture2DOES"); } + if (check_gl_ext(exts_str, "GL_OES_EGL_image")) { + renderer->exts.egl_image_oes = true; + load_gl_proc(&gles2_procs.glEGLImageTargetRenderbufferStorageOES, + "glEGLImageTargetRenderbufferStorageOES"); + } + if (renderer->exts.debug_khr) { glEnable(GL_DEBUG_OUTPUT_KHR); glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_KHR); diff --git a/render/wlr_renderer.c b/render/wlr_renderer.c index 9a126706..89a73fc8 100644 --- a/render/wlr_renderer.c +++ b/render/wlr_renderer.c @@ -154,6 +154,16 @@ bool wlr_renderer_read_pixels(struct wlr_renderer *r, enum wl_shm_format fmt, src_x, src_y, dst_x, dst_y, data); } +bool wlr_renderer_blit_dmabuf(struct wlr_renderer *r, + struct wlr_dmabuf_attributes *dst, + struct wlr_dmabuf_attributes *src) { + assert(!r->rendering); + if (!r->impl->blit_dmabuf) { + return false; + } + return r->impl->blit_dmabuf(r, dst, src); +} + bool wlr_renderer_format_supported(struct wlr_renderer *r, enum wl_shm_format fmt) { return r->impl->format_supported(r, fmt); |