rpi: Update for modern systems

video/out/gpu/hwdec.c

@@ -72,7 +72,7 @@ const struct ra_hwdec_driver *const ra_hwdec_drivers[] = {
 #if HAVE_VDPAU_GL_X11
     &ra_hwdec_vdpau,
 #endif
-#if HAVE_RPI
+#if HAVE_RPI_MMAL
     &ra_hwdec_rpi_overlay,
 #endif
 #if HAVE_DRMPRIME && HAVE_DRM

video/out/opengl/context_rpi.c

@@ -139,7 +139,7 @@ static bool recreate_dispmanx(struct ra_ctx *ctx)
     VC_RECT_T dst = {.x = p->x, .y = p->y, .width = p->w, .height = p->h};
     VC_RECT_T src = {.width = p->w << 16, .height = p->h << 16};
     VC_DISPMANX_ALPHA_T alpha = {
-        .flags = DISPMANX_FLAGS_ALPHA_FROM_SOURCE,
+        .flags = DISPMANX_FLAGS_ALPHA_FIXED_ALL_PIXELS,
         .opacity = 0xFF,
     };
     p->window = vc_dispmanx_element_add(p->update, p->display, layer, &dst, 0,
@@ -234,7 +234,7 @@ static bool rpi_init(struct ra_ctx *ctx)
     if (!mpegl_create_context(ctx, p->egl_display, &p->egl_context, &p->egl_config))
         goto fail;
 
-    if (recreate_dispmanx(ctx) < 0)
+    if (!recreate_dispmanx(ctx))
         goto fail;
 
     mpegl_load_functions(&p->gl, ctx->log);

video/out/vo.c

@@ -68,9 +68,6 @@ const struct vo_driver *const video_out_drivers[] =
     &video_out_libmpv,
 #if HAVE_ANDROID
     &video_out_mediacodec_embed,
-#endif
-#if HAVE_RPI
-    &video_out_rpi,
 #endif
     &video_out_gpu,
 #if HAVE_VDPAU
@@ -100,6 +97,9 @@ const struct vo_driver *const video_out_drivers[] =
 #endif
 #if HAVE_DRM
     &video_out_drm,
+#endif
+#if HAVE_RPI_MMAL
+    &video_out_rpi,
 #endif
     &video_out_lavc,
     NULL

wscript

@@ -763,25 +763,9 @@ video_output_features = [
         'deps': 'win32-desktop && shaderc && spirv-cross',
         'func': check_cc(header_name=['d3d11_1.h', 'dxgi1_2.h']),
     }, {
-        # We need MMAL/bcm_host/dispmanx APIs. Also, most RPI distros require
-        # every project to hardcode the paths to the include directories. Also,
-        # these headers are so broken that they spam tons of warnings by merely
-        # including them (compensate with -isystem and -fgnu89-inline).
         'name': '--rpi',
         'desc': 'Raspberry Pi support',
-        'func': compose_checks(
-            check_cc(cflags=["-isystem/opt/vc/include",
-                             "-isystem/opt/vc/include/interface/vcos/pthreads",
-                             "-isystem/opt/vc/include/interface/vmcs_host/linux",
-                             "-fgnu89-inline"],
-                     linkflags="-L/opt/vc/lib",
-                     header_name="bcm_host.h",
-                     lib=['mmal_core', 'mmal_util', 'mmal_vc_client', 'bcm_host']),
-            # We still need all OpenGL symbols, because the vo_gpu code is
-            # generic and supports anything from GLES2/OpenGL 2.1 to OpenGL 4 core.
-            check_cc(lib="EGL", linkflags="-lGLESv2"),
-            check_cc(lib="GLESv2"),
-        ),
+        'func': check_pkg_config('brcmegl'),
     } , {
         'name': '--ios-gl',
         'desc': 'iOS OpenGL ES hardware decoding interop support',
@@ -861,6 +845,11 @@ hwaccel_features = [
         'desc': 'CUDA hwaccel',
         'deps': '(gl || vulkan) && ffnvcodec',
         'func': check_true,
+    }, {
+        'name': '--rpi-mmal',
+        'desc': 'Raspberry Pi MMAL hwaccel',
+        'deps': 'rpi',
+        'func': check_pkg_config('mmal'),
     }
 ]
 

wscript_build.py

@@ -463,7 +463,7 @@ def build(ctx):
         ( "video/out/opengl/hwdec_dxva2gldx.c",  "gl-dxinterop-d3d9" ),
         ( "video/out/opengl/hwdec_ios.m",        "ios-gl" ),
         ( "video/out/opengl/hwdec_osx.c",        "videotoolbox-gl" ),
-        ( "video/out/opengl/hwdec_rpi.c",        "rpi" ),
+        ( "video/out/opengl/hwdec_rpi.c",        "rpi-mmal" ),
         ( "video/out/opengl/hwdec_vdpau.c",      "vdpau-gl-x11" ),
         ( "video/out/opengl/libmpv_gl.c",        "gl" ),
         ( "video/out/opengl/oml_sync.c",         "egl-x11 || gl-x11" ),
@@ -479,7 +479,7 @@ def build(ctx):
         ( "video/out/vo_libmpv.c" ),
         ( "video/out/vo_mediacodec_embed.c",     "android" ),
         ( "video/out/vo_null.c" ),
-        ( "video/out/vo_rpi.c",                  "rpi" ),
+        ( "video/out/vo_rpi.c",                  "rpi-mmal" ),
         ( "video/out/vo_sdl.c",                  "sdl2" ),
         ( "video/out/vo_tct.c" ),
         ( "video/out/vo_vaapi.c",                "vaapi-x11 && gpl" ),