diff options
author | Campbell Barton <ideasman42@gmail.com> | 2015-10-19 04:31:20 +0300 |
---|---|---|
committer | Campbell Barton <ideasman42@gmail.com> | 2015-10-19 04:36:15 +0300 |
commit | 67e1c9735003bea56efb6ccfe7348dd7518ff25b (patch) | |
tree | cc799ec9b255ffd0333a81e803455f4d2a62544d | |
parent | a25892543a7a81d6823c71d0bc54978b00e7a9b1 (diff) |
GPU: check for blit support, using MSAA FBO's
Used for reading off-screen buffers,
possible cause of failure for drivers that don't support it.
-rw-r--r-- | source/blender/gpu/intern/gpu_extensions.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/source/blender/gpu/intern/gpu_extensions.c b/source/blender/gpu/intern/gpu_extensions.c index 1335e0066e3..ce82a67dcaf 100644 --- a/source/blender/gpu/intern/gpu_extensions.c +++ b/source/blender/gpu/intern/gpu_extensions.c @@ -1450,8 +1450,12 @@ GPUOffScreen *GPU_offscreen_create(int width, int height, int samples, char err_ } if (samples) { - if (!GL_EXT_framebuffer_multisample || - !GLEW_ARB_texture_multisample) + if (!GLEW_EXT_framebuffer_multisample || + !GLEW_ARB_texture_multisample || + /* Only needed for GPU_offscreen_read_pixels. + * We could add an arg if we intend to use multi-samle + * offscreen buffers w/o reading their pixels */ + !GLEW_EXT_framebuffer_blit) { samples = 0; } |