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| author | Matthias Clasen <mclasen@redhat.com> | 2022-05-05 13:09:26 -0400 |
|---|---|---|
| committer | Matthias Clasen <mclasen@redhat.com> | 2022-05-11 16:32:17 -0400 |
| commit | f2436eaf7b02516e207b56f37713a6471451d76d (patch) | |
| tree | f2af714b167d5961d2988fc60ee3ca3ddda310ab | |
| parent | 2f9387630f08e32db68c07c968d05d8d1bb1bd8b (diff) | |
| download | gtk+-f2436eaf7b02516e207b56f37713a6471451d76d.tar.gz | |
gsk: Check for half float support
The GL renderer currently relies on half float support
in vertex buffers, so check that we have it.
Related: #4894
| -rw-r--r-- | gsk/gl/gskglrenderer.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/gsk/gl/gskglrenderer.c b/gsk/gl/gskglrenderer.c index d1b40d225e..afb34cd2f1 100644 --- a/gsk/gl/gskglrenderer.c +++ b/gsk/gl/gskglrenderer.c @@ -24,6 +24,7 @@ #include <gdk/gdkdisplayprivate.h> #include <gdk/gdkglcontextprivate.h> #include <gdk/gdksurfaceprivate.h> +#include <gdk/gdkintl.h> #include <gsk/gskdebugprivate.h> #include <gsk/gskrendererprivate.h> #include <gsk/gskrendernodeprivate.h> @@ -93,6 +94,7 @@ gsk_gl_renderer_realize (GskRenderer *renderer, GdkDisplay *display; gboolean ret = FALSE; gboolean debug_shaders = FALSE; + GdkGLAPI api; if (self->context != NULL) return TRUE; @@ -115,6 +117,24 @@ gsk_gl_renderer_realize (GskRenderer *renderer, if (!context || !gdk_gl_context_realize (context, error)) goto failure; + api = gdk_gl_context_get_api (context); + if (api == GDK_GL_API_GLES) + { + gdk_gl_context_make_current (context); + + if (!gdk_gl_context_has_vertex_half_float (context)) + { + int major, minor; + + gdk_gl_context_get_version (context, &major, &minor); + g_set_error (error, + GDK_GL_ERROR, GDK_GL_ERROR_NOT_AVAILABLE, + _("This GLES %d.%d implementation does not support half-float vertex data"), + major, minor); + goto failure; + } + } + #ifdef G_ENABLE_DEBUG if (GSK_RENDERER_DEBUG_CHECK (GSK_RENDERER (self), SHADERS)) debug_shaders = TRUE; @@ -331,7 +351,7 @@ gsk_gl_renderer_render_texture (GskRenderer *renderer, { for (x = 0; x < width; x += max_size) { - texture = gsk_gl_renderer_render_texture (renderer, root, + texture = gsk_gl_renderer_render_texture (renderer, root, &GRAPHENE_RECT_INIT (x, y, MIN (max_size, viewport->size.width - x), MIN (max_size, viewport->size.height - y))); |