diff options
| -rw-r--r-- | src/gallium/state_trackers/wgl/stw_ext_pbuffer.c | 80 |
1 files changed, 41 insertions, 39 deletions
diff --git a/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c b/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c index d709faa60f2..02ccb76e277 100644 --- a/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c +++ b/src/gallium/state_trackers/wgl/stw_ext_pbuffer.c @@ -101,45 +101,47 @@ wglCreatePbufferARB(HDC hCurrentDC, return 0; } - for (piAttrib = piAttribList; *piAttrib; piAttrib++) { - switch (*piAttrib) { - case WGL_PBUFFER_LARGEST_ARB: - piAttrib++; - useLargest = *piAttrib; - break; - case WGL_TEXTURE_FORMAT_ARB: - /* WGL_ARB_render_texture */ - piAttrib++; - textureFormat = *piAttrib; - if (textureFormat != WGL_TEXTURE_RGB_ARB && - textureFormat != WGL_TEXTURE_RGBA_ARB && - textureFormat != WGL_NO_TEXTURE_ARB) { - SetLastError(ERROR_INVALID_DATA); - return 0; - } - break; - case WGL_TEXTURE_TARGET_ARB: - /* WGL_ARB_render_texture */ - piAttrib++; - textureTarget = *piAttrib; - if (textureTarget != WGL_TEXTURE_CUBE_MAP_ARB && - textureTarget != WGL_TEXTURE_1D_ARB && - textureTarget != WGL_TEXTURE_2D_ARB && - textureTarget != WGL_NO_TEXTURE_ARB) { - SetLastError(ERROR_INVALID_DATA); - return 0; - } - break; - case WGL_MIPMAP_TEXTURE_ARB: - /* WGL_ARB_render_texture */ - piAttrib++; - textureMipmap = !!*piAttrib; - break; - default: - SetLastError(ERROR_INVALID_DATA); - debug_printf("wgl: Unsupported attribute 0x%x in %s\n", - *piAttrib, __func__); - return 0; + if (piAttribList) { + for (piAttrib = piAttribList; *piAttrib; piAttrib++) { + switch (*piAttrib) { + case WGL_PBUFFER_LARGEST_ARB: + piAttrib++; + useLargest = *piAttrib; + break; + case WGL_TEXTURE_FORMAT_ARB: + /* WGL_ARB_render_texture */ + piAttrib++; + textureFormat = *piAttrib; + if (textureFormat != WGL_TEXTURE_RGB_ARB && + textureFormat != WGL_TEXTURE_RGBA_ARB && + textureFormat != WGL_NO_TEXTURE_ARB) { + SetLastError(ERROR_INVALID_DATA); + return 0; + } + break; + case WGL_TEXTURE_TARGET_ARB: + /* WGL_ARB_render_texture */ + piAttrib++; + textureTarget = *piAttrib; + if (textureTarget != WGL_TEXTURE_CUBE_MAP_ARB && + textureTarget != WGL_TEXTURE_1D_ARB && + textureTarget != WGL_TEXTURE_2D_ARB && + textureTarget != WGL_NO_TEXTURE_ARB) { + SetLastError(ERROR_INVALID_DATA); + return 0; + } + break; + case WGL_MIPMAP_TEXTURE_ARB: + /* WGL_ARB_render_texture */ + piAttrib++; + textureMipmap = !!*piAttrib; + break; + default: + SetLastError(ERROR_INVALID_DATA); + debug_printf("wgl: Unsupported attribute 0x%x in %s\n", + *piAttrib, __func__); + return 0; + } } } |