epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 1 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 2 | /* |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 3 | * Copyright 2010 Google Inc. |
| 4 | * |
| 5 | * Use of this source code is governed by a BSD-style license that can be |
| 6 | * found in the LICENSE file. |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 7 | */ |
| 8 | |
| 9 | |
epoger@google.com | ec3ed6a | 2011-07-28 14:26:00 +0000 | [diff] [blame] | 10 | |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 11 | #ifndef GrIndexBuffer_DEFINED |
| 12 | #define GrIndexBuffer_DEFINED |
| 13 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 14 | #include "GrGeometryBuffer.h" |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 15 | |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 16 | class GrIndexBuffer : public GrGeometryBuffer { |
bsalomon@google.com | 86afc2a | 2011-02-16 16:12:19 +0000 | [diff] [blame] | 17 | public: |
bsalomon@google.com | 7283022 | 2013-01-23 20:25:22 +0000 | [diff] [blame] | 18 | /** |
| 19 | * Retrieves the maximum number of quads that could be rendered |
| 20 | * from the index buffer (using kTriangles_GrPrimitiveType). |
| 21 | * @return the maximum number of quads using full size of index buffer. |
| 22 | */ |
| 23 | int maxQuads() const { |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 24 | return static_cast<int>(this->gpuMemorySize() / (sizeof(uint16_t) * 6)); |
bsalomon@google.com | 7283022 | 2013-01-23 20:25:22 +0000 | [diff] [blame] | 25 | } |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 26 | protected: |
commit-bot@chromium.org | 089a780 | 2014-05-02 21:38:22 +0000 | [diff] [blame] | 27 | GrIndexBuffer(GrGpu* gpu, bool isWrapped, size_t gpuMemorySize, bool dynamic, bool cpuBacked) |
| 28 | : INHERITED(gpu, isWrapped, gpuMemorySize, dynamic, cpuBacked) {} |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 29 | private: |
bsalomon@google.com | 1c13c96 | 2011-02-14 16:51:21 +0000 | [diff] [blame] | 30 | typedef GrGeometryBuffer INHERITED; |
reed@google.com | ac10a2d | 2010-12-22 21:39:39 +0000 | [diff] [blame] | 31 | }; |
| 32 | |
| 33 | #endif |