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https://gitea.wildfiregames.com/0ad/0ad
synced 2026-06-17 13:53:57 -07:00
157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
135 lines
3.1 KiB
C++
135 lines
3.1 KiB
C++
/* Copyright (C) 2022 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "Mapping.h"
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#include "lib/code_annotation.h"
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#include "lib/config2.h"
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namespace Renderer
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{
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namespace Backend
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{
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namespace GL
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{
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namespace Mapping
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{
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GLenum FromCompareOp(const CompareOp compareOp)
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{
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GLenum op = GL_NEVER;
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switch (compareOp)
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{
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#define CASE(NAME, GL_NAME) case CompareOp::NAME: op = GL_NAME; break
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CASE(NEVER, GL_NEVER);
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CASE(LESS, GL_LESS);
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CASE(EQUAL, GL_EQUAL);
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CASE(LESS_OR_EQUAL, GL_LEQUAL);
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CASE(GREATER, GL_GREATER);
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CASE(NOT_EQUAL, GL_NOTEQUAL);
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CASE(GREATER_OR_EQUAL, GL_GEQUAL);
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CASE(ALWAYS, GL_ALWAYS);
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#undef CASE
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}
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return op;
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}
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GLenum FromStencilOp(const StencilOp stencilOp)
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{
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GLenum op = GL_KEEP;
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switch (stencilOp)
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{
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#define CASE(NAME, GL_NAME) case StencilOp::NAME: op = GL_NAME; break
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CASE(KEEP, GL_KEEP);
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CASE(ZERO, GL_ZERO);
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CASE(REPLACE, GL_REPLACE);
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CASE(INCREMENT_AND_CLAMP, GL_INCR);
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CASE(DECREMENT_AND_CLAMP, GL_DECR);
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CASE(INVERT, GL_INVERT);
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CASE(INCREMENT_AND_WRAP, GL_INCR_WRAP);
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CASE(DECREMENT_AND_WRAP, GL_DECR_WRAP);
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#undef CASE
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}
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return op;
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}
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GLenum FromBlendFactor(const BlendFactor blendFactor)
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{
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GLenum factor = GL_ZERO;
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switch (blendFactor)
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{
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#define CASE(NAME) case BlendFactor::NAME: factor = GL_##NAME; break
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CASE(ZERO);
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CASE(ONE);
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CASE(SRC_COLOR);
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CASE(ONE_MINUS_SRC_COLOR);
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CASE(DST_COLOR);
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CASE(ONE_MINUS_DST_COLOR);
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CASE(SRC_ALPHA);
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CASE(ONE_MINUS_SRC_ALPHA);
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CASE(DST_ALPHA);
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CASE(ONE_MINUS_DST_ALPHA);
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CASE(CONSTANT_COLOR);
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CASE(ONE_MINUS_CONSTANT_COLOR);
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CASE(CONSTANT_ALPHA);
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CASE(ONE_MINUS_CONSTANT_ALPHA);
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CASE(SRC_ALPHA_SATURATE);
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#undef CASE
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// Dual source blending presents only in GL_VERSION >= 3.3.
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case BlendFactor::SRC1_COLOR: FALLTHROUGH;
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case BlendFactor::ONE_MINUS_SRC1_COLOR: FALLTHROUGH;
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case BlendFactor::SRC1_ALPHA: FALLTHROUGH;
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case BlendFactor::ONE_MINUS_SRC1_ALPHA:
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debug_warn("Unsupported blend factor.");
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break;
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}
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return factor;
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}
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GLenum FromBlendOp(const BlendOp blendOp)
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{
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GLenum mode = GL_FUNC_ADD;
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switch (blendOp)
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{
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case BlendOp::ADD: mode = GL_FUNC_ADD; break;
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case BlendOp::SUBTRACT: mode = GL_FUNC_SUBTRACT; break;
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case BlendOp::REVERSE_SUBTRACT: mode = GL_FUNC_REVERSE_SUBTRACT; break;
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#if !CONFIG2_GLES
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case BlendOp::MIN: mode = GL_MIN; break;
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case BlendOp::MAX: mode = GL_MAX; break;
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#else
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case BlendOp::MIN: FALLTHROUGH;
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case BlendOp::MAX:
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debug_warn("Unsupported blend op.");
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break;
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#endif
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};
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return mode;
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}
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} // namespace Mapping
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} // namespace GL
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} // namespace Backend
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} // namespace Renderer
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