diff options
Diffstat (limited to 'helpers')
| -rw-r--r-- | helpers/glfeatures.cpp | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/helpers/glfeatures.cpp b/helpers/glfeatures.cpp index b361d3e1..eef92089 100644 --- a/helpers/glfeatures.cpp +++ b/helpers/glfeatures.cpp @@ -349,8 +349,8 @@ Features::load(const Profile & profile, const Extensions & ext) NV_read_depth_stencil = ES && ext.has("GL_NV_read_depth_stencil"); if (profile.desktop()) { - texture_3d = profile.versionGreaterOrEqual(1, 2) || - ext.has("GL_EXT_texture3D"); + // GL_EXT_texture3D uses different entrypoints + texture_3d = profile.versionGreaterOrEqual(1, 2); pixel_buffer_object = profile.versionGreaterOrEqual(2, 1) || ext.has("GL_ARB_pixel_buffer_object") || @@ -358,9 +358,10 @@ Features::load(const Profile & profile, const Extensions & ext) read_buffer = 1; + // GL_EXT_framebuffer_object requires different entry points framebuffer_object = profile.versionGreaterOrEqual(3, 0) || - ext.has("GL_ARB_framebuffer_object") || - ext.has("GL_EXT_framebuffer_object"); + ext.has("GL_ARB_framebuffer_object"); + read_framebuffer_object = framebuffer_object; query_buffer_object = profile.versionGreaterOrEqual(4, 4) || @@ -372,15 +373,17 @@ Features::load(const Profile & profile, const Extensions & ext) pixel_buffer_object = profile.versionGreaterOrEqual(3, 1) || ext.has("GL_NV_pixel_buffer_object"); - read_buffer = ext.has("GL_EXT_multiview_draw_buffers") || - ext.has("GL_NV_read_buffer"); + // GL_EXT_multiview_draw_buffers requires different entry points + // GL_NV_read_buffer requires different entry points + read_buffer = 0; - framebuffer_object = profile.versionGreaterOrEqual(2, 0) || - ext.has("GL_OES_framebuffer_object"); + // GL_OES_framebuffer_object requires different entry points + framebuffer_object = profile.versionGreaterOrEqual(2, 0); - read_framebuffer_object = ext.has("GL_ANGLE_framebuffer_blit") || - ext.has("GL_APPLE_framebuffer_multisample") || - ext.has("GL_NV_framebuffer_blit"); + // GL_ANGLE_framebuffer_blit requires different entry points + // GL_APPLE_framebuffer_multisample requires different entry points + // GL_NV_framebuffer_blit requires different entry points + read_framebuffer_object = 0; query_buffer_object = 0; } |