diff --git a/src/compositor.c b/src/compositor.c index df28cb76..9271b71a 100644 --- a/src/compositor.c +++ b/src/compositor.c @@ -739,14 +739,14 @@ ensure_textures(struct weston_surface *es, int num_textures) for (i = es->num_textures; i < num_textures; i++) { glGenTextures(1, &es->textures[i]); - glBindTexture(GL_TEXTURE_2D, es->textures[i]); - glTexParameteri(GL_TEXTURE_2D, + glBindTexture(es->target, es->textures[i]); + glTexParameteri(es->target, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameteri(GL_TEXTURE_2D, + glTexParameteri(es->target, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); } es->num_textures = num_textures; - glBindTexture(GL_TEXTURE_2D, 0); + glBindTexture(es->target, 0); } static void @@ -791,6 +791,7 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) if (wl_buffer_is_shm(buffer)) { es->pitch = wl_shm_buffer_get_stride(buffer) / 4; es->shader = &ec->texture_shader_rgba; + es->target = GL_TEXTURE_2D; ensure_textures(es, 1); glBindTexture(GL_TEXTURE_2D, es->textures[0]); @@ -806,7 +807,7 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) for (i = 0; i < es->num_images; i++) ec->destroy_image(ec->egl_display, es->images[i]); es->num_images = 0; - + es->target = GL_TEXTURE_2D; switch (format) { case EGL_TEXTURE_RGB: case EGL_TEXTURE_RGBA: @@ -814,6 +815,11 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) num_planes = 1; es->shader = &ec->texture_shader_rgba; break; + case EGL_TEXTURE_EXTERNAL_WL: + num_planes = 1; + es->target = GL_TEXTURE_EXTERNAL_OES; + es->shader = &ec->texture_shader_egl_external; + break; case EGL_TEXTURE_Y_UV_WL: num_planes = 2; es->shader = &ec->texture_shader_y_uv; @@ -844,8 +850,8 @@ weston_surface_attach(struct wl_surface *surface, struct wl_buffer *buffer) es->num_images++; glActiveTexture(GL_TEXTURE0 + i); - glBindTexture(GL_TEXTURE_2D, es->textures[i]); - ec->image_target_texture_2d(GL_TEXTURE_2D, + glBindTexture(es->target, es->textures[i]); + ec->image_target_texture_2d(es->target, es->images[i]); } @@ -965,9 +971,9 @@ weston_surface_draw(struct weston_surface *es, struct weston_output *output, for (i = 0; i < es->num_textures; i++) { glUniform1i(es->shader->tex_uniforms[i], i); glActiveTexture(GL_TEXTURE0 + i); - glBindTexture(GL_TEXTURE_2D, es->textures[i]); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, filter); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, filter); + glBindTexture(es->target, es->textures[i]); + glTexParameteri(es->target, GL_TEXTURE_MIN_FILTER, filter); + glTexParameteri(es->target, GL_TEXTURE_MAG_FILTER, filter); } v = ec->vertices.data; @@ -2848,6 +2854,19 @@ static const char texture_fragment_shader_rgba[] = FRAGMENT_SHADER_EXIT "}\n"; +static const char texture_fragment_shader_egl_external[] = + "#extension GL_OES_EGL_image_external : require\n" + "precision mediump float;\n" + "varying vec2 v_texcoord;\n" + "uniform samplerExternalOES tex;\n" + FRAGMENT_SHADER_UNIFORMS + "void main()\n" + "{\n" + FRAGMENT_SHADER_INIT + " gl_FragColor = texture2D(tex, v_texcoord)\n;" + FRAGMENT_SHADER_EXIT + "}\n"; + static const char texture_fragment_shader_y_uv[] = "precision mediump float;\n" "uniform sampler2D tex;\n" @@ -3287,6 +3306,7 @@ WL_EXPORT int weston_compositor_init_gl(struct weston_compositor *ec) { const char *extensions; + int has_egl_image_external = 0; log_egl_gl_info(ec->egl_display); @@ -3322,6 +3342,9 @@ weston_compositor_init_gl(struct weston_compositor *ec) if (strstr(extensions, "GL_EXT_unpack_subimage")) ec->has_unpack_subimage = 1; + if (strstr(extensions, "GL_OES_EGL_image_external")) + has_egl_image_external = 1; + extensions = (const char *) eglQueryString(ec->egl_display, EGL_EXTENSIONS); if (!extensions) { @@ -3345,6 +3368,10 @@ weston_compositor_init_gl(struct weston_compositor *ec) if (weston_shader_init(&ec->texture_shader_rgba, vertex_shader, texture_fragment_shader_rgba) < 0) return -1; + if (has_egl_image_external && + weston_shader_init(&ec->texture_shader_egl_external, + vertex_shader, texture_fragment_shader_egl_external) < 0) + return -1; if (weston_shader_init(&ec->texture_shader_y_uv, vertex_shader, texture_fragment_shader_y_uv) < 0) return -1; diff --git a/src/compositor.h b/src/compositor.h index ac887ee1..070d1ca4 100644 --- a/src/compositor.h +++ b/src/compositor.h @@ -277,6 +277,7 @@ struct weston_compositor { EGLConfig egl_config; GLuint fbo; struct weston_shader texture_shader_rgba; + struct weston_shader texture_shader_egl_external; struct weston_shader texture_shader_y_uv; struct weston_shader texture_shader_y_u_v; struct weston_shader texture_shader_y_xuxv; @@ -448,6 +449,7 @@ struct weston_surface { struct wl_list frame_callback_list; EGLImageKHR images[3]; + GLenum target; int num_images; struct wl_buffer *buffer; diff --git a/src/weston-egl-ext.h b/src/weston-egl-ext.h index 8e132c0d..1d4b76bb 100644 --- a/src/weston-egl-ext.h +++ b/src/weston-egl-ext.h @@ -39,6 +39,7 @@ #define EGL_TEXTURE_Y_U_V_WL 0x31D7 #define EGL_TEXTURE_Y_UV_WL 0x31D8 #define EGL_TEXTURE_Y_XUXV_WL 0x31D9 +#define EGL_TEXTURE_EXTERNAL_WL 0x31DA struct wl_display; struct wl_buffer; @@ -53,4 +54,8 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYWAYLANDBUFFERWL) (EGLDisplay dpy, st #endif +#ifndef EGL_TEXTURE_EXTERNAL_WL +#define EGL_TEXTURE_EXTERNAL_WL 0x31DA +#endif + #endif