diff options
Diffstat (limited to 'source/blender/gpu/intern/gpu_framebuffer.c')
| -rw-r--r-- | source/blender/gpu/intern/gpu_framebuffer.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/source/blender/gpu/intern/gpu_framebuffer.c b/source/blender/gpu/intern/gpu_framebuffer.c index 346d1320b75..7329eee44b0 100644 --- a/source/blender/gpu/intern/gpu_framebuffer.c +++ b/source/blender/gpu/intern/gpu_framebuffer.c @@ -640,11 +640,15 @@ void GPU_framebuffer_recursive_downsample( for (GPUAttachmentType type = 0; type < GPU_FB_MAX_ATTACHEMENT; ++type) { if (fb->attachments[type].tex != NULL) { + /* Some Intel HDXXX have issue with rendering to a mipmap that is below + * the texture GL_TEXTURE_MAX_LEVEL. So even if it not correct, in this case + * we allow GL_TEXTURE_MAX_LEVEL to be one level lower. In practice it does work! */ + int next_lvl = (GPU_mip_render_workaround()) ? i : i - 1; /* bind next level for rendering but first restrict fetches only to previous level */ GPUTexture *tex = fb->attachments[type].tex; GPU_texture_bind(tex, 0); glTexParameteri(GPU_texture_target(tex), GL_TEXTURE_BASE_LEVEL, i - 1); - glTexParameteri(GPU_texture_target(tex), GL_TEXTURE_MAX_LEVEL, i - 1); + glTexParameteri(GPU_texture_target(tex), GL_TEXTURE_MAX_LEVEL, next_lvl); GPU_texture_unbind(tex); /* copy attachment and replace miplevel. */ GPUAttachment attachment = fb->attachments[type]; |