| // |
| // Copyright (c) 2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // Contants.h: Defines some implementation specific and gl constants |
| |
| #ifndef LIBANGLE_CONSTANTS_H_ |
| #define LIBANGLE_CONSTANTS_H_ |
| |
| namespace gl |
| { |
| |
| enum |
| { |
| MAX_VERTEX_ATTRIBS = 16, |
| MAX_VERTEX_ATTRIB_BINDINGS = 16, |
| |
| // Implementation upper limits, real maximums depend on the hardware |
| IMPLEMENTATION_MAX_VARYING_VECTORS = 32, |
| IMPLEMENTATION_MAX_DRAW_BUFFERS = 8, |
| IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS = |
| IMPLEMENTATION_MAX_DRAW_BUFFERS + 2, // 2 extra for depth and/or stencil buffers |
| |
| IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS = 16, |
| IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS = 16, |
| IMPLEMENTATION_MAX_COMBINED_SHADER_UNIFORM_BUFFERS = |
| IMPLEMENTATION_MAX_VERTEX_SHADER_UNIFORM_BUFFERS + |
| IMPLEMENTATION_MAX_FRAGMENT_SHADER_UNIFORM_BUFFERS, |
| |
| IMPLEMENTATION_MAX_TRANSFORM_FEEDBACK_BUFFERS = 4, |
| |
| // These are the maximums the implementation can support |
| // The actual GL caps are limited by the device caps |
| // and should be queried from the Context |
| IMPLEMENTATION_MAX_2D_TEXTURE_SIZE = 16384, |
| IMPLEMENTATION_MAX_CUBE_MAP_TEXTURE_SIZE = 16384, |
| IMPLEMENTATION_MAX_3D_TEXTURE_SIZE = 2048, |
| IMPLEMENTATION_MAX_2D_ARRAY_TEXTURE_LAYERS = 2048, |
| |
| IMPLEMENTATION_MAX_TEXTURE_LEVELS = 15 // 1+log2 of MAX_TEXTURE_SIZE |
| }; |
| } |
| |
| #endif // LIBANGLE_CONSTANTS_H_ |
