gman@chromium.org | 8d80479 | 2012-10-17 21:33:48 +0000 | [diff] [blame] | 1 | // |
| 2 | // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved. |
| 3 | // Use of this source code is governed by a BSD-style license that can be |
| 4 | // found in the LICENSE file. |
| 5 | // |
Geoff Lang | dcefb75 | 2013-12-04 15:54:27 -0500 | [diff] [blame] | 6 | #include "compiler/translator/VariablePacker.h" |
gman@chromium.org | 8d80479 | 2012-10-17 21:33:48 +0000 | [diff] [blame] | 7 | #include "gtest/gtest.h" |
| 8 | |
| 9 | TEST(VariablePacking, Pack) { |
| 10 | VariablePacker packer; |
| 11 | TVariableInfoList vars; |
| 12 | const int kMaxRows = 16; |
| 13 | // test no vars. |
| 14 | EXPECT_TRUE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 15 | |
| 16 | ShDataType types[] = { |
| 17 | SH_FLOAT_MAT4, // 0 |
| 18 | SH_FLOAT_MAT2, // 1 |
| 19 | SH_FLOAT_VEC4, // 2 |
| 20 | SH_INT_VEC4, // 3 |
| 21 | SH_BOOL_VEC4, // 4 |
| 22 | SH_FLOAT_MAT3, // 5 |
| 23 | SH_FLOAT_VEC3, // 6 |
| 24 | SH_INT_VEC3, // 7 |
| 25 | SH_BOOL_VEC3, // 8 |
| 26 | SH_FLOAT_VEC2, // 9 |
| 27 | SH_INT_VEC2, // 10 |
| 28 | SH_BOOL_VEC2, // 11 |
| 29 | SH_FLOAT, // 12 |
| 30 | SH_INT, // 13 |
| 31 | SH_BOOL, // 14 |
| 32 | SH_SAMPLER_2D, // 15 |
| 33 | SH_SAMPLER_CUBE, // 16 |
| 34 | SH_SAMPLER_EXTERNAL_OES, // 17 |
| 35 | SH_SAMPLER_2D_RECT_ARB, // 18 |
| 36 | }; |
| 37 | |
| 38 | for (size_t tt = 0; tt < sizeof(types) / sizeof(types[0]); ++tt) { |
| 39 | ShDataType type = types[tt]; |
| 40 | int num_rows = VariablePacker::GetNumRows(type); |
| 41 | int num_components_per_row = VariablePacker::GetNumComponentsPerRow(type); |
| 42 | // Check 1 of the type. |
| 43 | vars.clear(); |
| 44 | vars.push_back(TVariableInfo(type, 1)); |
| 45 | EXPECT_TRUE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 46 | |
| 47 | // Check exactly the right amount of 1 type as an array. |
| 48 | int num_vars = kMaxRows / num_rows; |
| 49 | vars.clear(); |
| 50 | vars.push_back(TVariableInfo(type, num_vars)); |
| 51 | EXPECT_TRUE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 52 | |
| 53 | // test too many |
| 54 | vars.clear(); |
| 55 | vars.push_back(TVariableInfo(type, num_vars + 1)); |
| 56 | EXPECT_FALSE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 57 | |
| 58 | // Check exactly the right amount of 1 type as individual vars. |
| 59 | num_vars = kMaxRows / num_rows * |
| 60 | ((num_components_per_row > 2) ? 1 : (4 / num_components_per_row)); |
| 61 | vars.clear(); |
| 62 | for (int ii = 0; ii < num_vars; ++ii) { |
| 63 | vars.push_back(TVariableInfo(type, 1)); |
| 64 | } |
| 65 | EXPECT_TRUE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 66 | |
| 67 | // Check 1 too many. |
| 68 | vars.push_back(TVariableInfo( type, 1)); |
| 69 | EXPECT_FALSE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 70 | } |
| 71 | |
| 72 | // Test example from GLSL ES 3.0 spec chapter 11. |
| 73 | vars.clear(); |
| 74 | vars.push_back(TVariableInfo(SH_FLOAT_VEC4, 1)); |
| 75 | vars.push_back(TVariableInfo(SH_FLOAT_MAT3, 1)); |
| 76 | vars.push_back(TVariableInfo(SH_FLOAT_MAT3, 1)); |
| 77 | vars.push_back(TVariableInfo(SH_FLOAT_VEC2, 6)); |
| 78 | vars.push_back(TVariableInfo(SH_FLOAT_VEC2, 4)); |
| 79 | vars.push_back(TVariableInfo(SH_FLOAT_VEC2, 1)); |
| 80 | vars.push_back(TVariableInfo(SH_FLOAT, 3)); |
| 81 | vars.push_back(TVariableInfo(SH_FLOAT, 2)); |
| 82 | vars.push_back(TVariableInfo(SH_FLOAT, 1)); |
| 83 | EXPECT_TRUE(packer.CheckVariablesWithinPackingLimits(kMaxRows, vars)); |
| 84 | } |
| 85 | |