[vlc-devel] [PATCH 6/8] opengl: move HasExtension to vlc_gl_HasExtension

Thomas Guillem thomas at gllm.fr
Wed May 23 09:19:26 CEST 2018


In order to allow vlc_gl_t module to use it.
---
 include/vlc_opengl.h                           | 13 +++++++++++++
 modules/video_output/opengl/converter.h        | 13 -------------
 modules/video_output/opengl/converter_sw.c     | 10 +++++-----
 modules/video_output/opengl/converter_vaapi.c  |  4 ++--
 modules/video_output/opengl/converter_vdpau.c  |  2 +-
 modules/video_output/opengl/fragment_shaders.c |  2 +-
 modules/video_output/opengl/vout_helper.c      |  4 ++--
 modules/video_output/win32/direct3d9.c         |  2 +-
 modules/video_output/win32/wgl.c               |  3 ++-
 9 files changed, 27 insertions(+), 26 deletions(-)

diff --git a/include/vlc_opengl.h b/include/vlc_opengl.h
index d446f0ac2f..178d1587da 100644
--- a/include/vlc_opengl.h
+++ b/include/vlc_opengl.h
@@ -118,4 +118,17 @@ VLC_API vlc_gl_t *vlc_gl_surface_Create(vlc_object_t *,
 VLC_API bool vlc_gl_surface_CheckSize(vlc_gl_t *, unsigned *w, unsigned *h);
 VLC_API void vlc_gl_surface_Destroy(vlc_gl_t *);
 
+static inline bool vlc_gl_HasExtension(const char *apis, const char *api)
+{
+    size_t apilen = strlen(api);
+    while (apis) {
+        while (*apis == ' ')
+            apis++;
+        if (!strncmp(apis, api, apilen) && memchr(" ", apis[apilen], 2))
+            return true;
+        apis = strchr(apis, ' ');
+    }
+    return false;
+}
+
 #endif /* VLC_GL_H */
diff --git a/modules/video_output/opengl/converter.h b/modules/video_output/opengl/converter.h
index e7179fc8f9..229f2bd20b 100644
--- a/modules/video_output/opengl/converter.h
+++ b/modules/video_output/opengl/converter.h
@@ -238,19 +238,6 @@ typedef struct {
     PFNGLCLIENTWAITSYNCPROC         ClientWaitSync; /* can be NULL */
 } opengl_vtable_t;
 
-static inline bool HasExtension(const char *apis, const char *api)
-{
-    size_t apilen = strlen(api);
-    while (apis) {
-        while (*apis == ' ')
-            apis++;
-        if (!strncmp(apis, api, apilen) && memchr(" ", apis[apilen], 2))
-            return true;
-        apis = strchr(apis, ' ');
-    }
-    return false;
-}
-
 struct pl_context;
 struct pl_shader;
 struct pl_shader_res;
diff --git a/modules/video_output/opengl/converter_sw.c b/modules/video_output/opengl/converter_sw.c
index 6676879a1d..2c31ffc43d 100644
--- a/modules/video_output/opengl/converter_sw.c
+++ b/modules/video_output/opengl/converter_sw.c
@@ -586,19 +586,19 @@ opengl_tex_converter_generic_init(opengl_tex_converter_t *tc, bool allow_dr)
 
     /* OpenGL or OpenGL ES2 with GL_EXT_unpack_subimage ext */
     priv->has_unpack_subimage =
-        !tc->is_gles || HasExtension(tc->glexts, "GL_EXT_unpack_subimage");
+        !tc->is_gles || vlc_gl_HasExtension(tc->glexts, "GL_EXT_unpack_subimage");
 
     if (allow_dr && priv->has_unpack_subimage)
     {
         bool supports_map_persistent = false;
 
         const bool has_pbo =
-            HasExtension(tc->glexts, "GL_ARB_pixel_buffer_object") ||
-            HasExtension(tc->glexts, "GL_EXT_pixel_buffer_object");
+            vlc_gl_HasExtension(tc->glexts, "GL_ARB_pixel_buffer_object") ||
+            vlc_gl_HasExtension(tc->glexts, "GL_EXT_pixel_buffer_object");
 
         const bool has_bs =
-            HasExtension(tc->glexts, "GL_ARB_buffer_storage") ||
-            HasExtension(tc->glexts, "GL_EXT_buffer_storage");
+            vlc_gl_HasExtension(tc->glexts, "GL_ARB_buffer_storage") ||
+            vlc_gl_HasExtension(tc->glexts, "GL_EXT_buffer_storage");
 
         /* Ensure we do direct rendering with OpenGL 3.0 or higher. Indeed,
          * persistent mapped buffers seems to be slow with OpenGL 2.1 drivers
diff --git a/modules/video_output/opengl/converter_vaapi.c b/modules/video_output/opengl/converter_vaapi.c
index 635819d9f9..322743f715 100644
--- a/modules/video_output/opengl/converter_vaapi.c
+++ b/modules/video_output/opengl/converter_vaapi.c
@@ -406,11 +406,11 @@ Open(vlc_object_t *obj)
      || tc->gl->egl.destroyImageKHR == NULL)
         return VLC_EGENERIC;
 
-    if (!HasExtension(tc->glexts, "GL_OES_EGL_image"))
+    if (!vlc_gl_HasExtension(tc->glexts, "GL_OES_EGL_image"))
         return VLC_EGENERIC;
 
     const char *eglexts = tc->gl->egl.queryString(tc->gl, EGL_EXTENSIONS);
-    if (eglexts == NULL || !HasExtension(eglexts, "EGL_EXT_image_dma_buf_import"))
+    if (eglexts == NULL || !vlc_gl_HasExtension(eglexts, "EGL_EXT_image_dma_buf_import"))
         return VLC_EGENERIC;
 
     struct priv *priv = tc->priv = calloc(1, sizeof(struct priv));
diff --git a/modules/video_output/opengl/converter_vdpau.c b/modules/video_output/opengl/converter_vdpau.c
index bb77ae8d26..0e7e0e0701 100644
--- a/modules/video_output/opengl/converter_vdpau.c
+++ b/modules/video_output/opengl/converter_vdpau.c
@@ -175,7 +175,7 @@ Open(vlc_object_t *obj)
     if ((tc->fmt.i_chroma != VLC_CODEC_VDPAU_VIDEO_420 &&
          tc->fmt.i_chroma != VLC_CODEC_VDPAU_VIDEO_422 &&
          tc->fmt.i_chroma != VLC_CODEC_VDPAU_VIDEO_444) ||
-        !HasExtension(tc->glexts, "GL_NV_vdpau_interop") ||
+        !vlc_gl_HasExtension(tc->glexts, "GL_NV_vdpau_interop") ||
         tc->gl->surface->type != VOUT_WINDOW_TYPE_XID)
         return VLC_EGENERIC;
 
diff --git a/modules/video_output/opengl/fragment_shaders.c b/modules/video_output/opengl/fragment_shaders.c
index e24b080279..337a2c792c 100644
--- a/modules/video_output/opengl/fragment_shaders.c
+++ b/modules/video_output/opengl/fragment_shaders.c
@@ -104,7 +104,7 @@ tc_yuv_base_init(opengl_tex_converter_t *tc, GLenum tex_target,
     GLint oneplane_texfmt, oneplane16_texfmt,
           twoplanes_texfmt, twoplanes16_texfmt;
 
-    if (HasExtension(tc->glexts, "GL_ARB_texture_rg"))
+    if (vlc_gl_HasExtension(tc->glexts, "GL_ARB_texture_rg"))
     {
         oneplane_texfmt = GL_RED;
         oneplane16_texfmt = GL_R16;
diff --git a/modules/video_output/opengl/vout_helper.c b/modules/video_output/opengl/vout_helper.c
index 12c3ee8b86..cba43caf4d 100644
--- a/modules/video_output/opengl/vout_helper.c
+++ b/modules/video_output/opengl/vout_helper.c
@@ -871,8 +871,8 @@ vout_display_opengl_t *vout_display_opengl_New(video_format_t *fmt,
      * so checks for extensions are bound to fail. Check for OpenGL ES version instead. */
     vgl->supports_npot = true;
 #else
-    vgl->supports_npot = HasExtension(extensions, "GL_ARB_texture_non_power_of_two") ||
-                         HasExtension(extensions, "GL_APPLE_texture_2D_limited_npot");
+    vgl->supports_npot = vlc_gl_HasExtension(extensions, "GL_ARB_texture_non_power_of_two") ||
+                         vlc_gl_HasExtension(extensions, "GL_APPLE_texture_2D_limited_npot");
 #endif
 
     bool b_dump_shaders = var_InheritInteger(gl, "verbose") >= 4;
diff --git a/modules/video_output/win32/direct3d9.c b/modules/video_output/win32/direct3d9.c
index 6dbc70afdb..5dea6d203f 100644
--- a/modules/video_output/win32/direct3d9.c
+++ b/modules/video_output/win32/direct3d9.c
@@ -1943,7 +1943,7 @@ GLConvOpen(vlc_object_t *obj)
 
     const char *wglExt = tc->gl->wgl.getExtensionsString(tc->gl);
 
-    if (wglExt == NULL || !HasExtension(wglExt, "WGL_NV_DX_interop"))
+    if (wglExt == NULL || !vlc_gl_HasExtension(wglExt, "WGL_NV_DX_interop"))
         return VLC_EGENERIC;
 
     struct wgl_vt vt;
diff --git a/modules/video_output/win32/wgl.c b/modules/video_output/win32/wgl.c
index 72a9cc4c51..8b6d291216 100644
--- a/modules/video_output/win32/wgl.c
+++ b/modules/video_output/win32/wgl.c
@@ -198,7 +198,7 @@ static int Open(vlc_object_t *object)
 #ifdef WGL_EXT_swap_control
     /* Create an GPU Affinity DC */
     const char *extensions = (const char*)glGetString(GL_EXTENSIONS);
-    if (HasExtension(extensions, "WGL_EXT_swap_control")) {
+    if (vlc_gl_HasExtension(extensions, "WGL_EXT_swap_control")) {
         PFNWGLSWAPINTERVALEXTPROC SwapIntervalEXT = (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT");
         if (SwapIntervalEXT)
             SwapIntervalEXT(1);
@@ -220,6 +220,7 @@ static int Open(vlc_object_t *object)
     gl->resize = NULL;
     gl->swap = Swap;
     gl->getProcAddress = OurGetProcAddress;
+    gl->getCoreProcAddress = NULL;
 
     if (sys->exts.GetExtensionsStringEXT || sys->exts.GetExtensionsStringARB)
         gl->wgl.getExtensionsString = GetExtensionsString;
-- 
2.17.0



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