mirror of
https://github.com/thorvg/thorvg.git
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518be23db2
- guarantee minimum gl version requirement - removed glesv2 dependency - corrected gl ver dependency issue: https://github.com/thorvg/thorvg/issues/2282
105 lines
3 KiB
C++
105 lines
3 KiB
C++
/*
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* Copyright (c) 2020 - 2024 the ThorVG project. All rights reserved.
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _TVG_GL_COMMON_H_
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#define _TVG_GL_COMMON_H_
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#include <assert.h>
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#if defined (THORVG_GL_TARGET_GLES)
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#include <GLES3/gl3.h>
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#define TVG_REQUIRE_GL_MAJOR_VER 3
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#define TVG_REQUIRE_GL_MINOR_VER 0
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#else
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#if defined(__APPLE__) || defined(__MACH__)
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#include <OpenGL/gl3.h>
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#else
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#define GL_GLEXT_PROTOTYPES 1
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#include <GL/gl.h>
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#endif
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#define TVG_REQUIRE_GL_MAJOR_VER 3
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#define TVG_REQUIRE_GL_MINOR_VER 3
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#endif
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#include "tvgCommon.h"
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#include "tvgRender.h"
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#define GL_CHECK(x) \
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x; \
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do { \
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GLenum glError = glGetError(); \
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if(glError != GL_NO_ERROR) { \
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TVGERR("GL_ENGINE", "glGetError() = %i (0x%.8x)", glError, glError); \
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assert(0); \
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} \
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} while(0)
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enum class GlStencilMode {
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None,
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FillWinding,
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FillEvenOdd,
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Stroke,
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};
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class GlGeometry;
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struct GlShape
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{
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const RenderShape* rshape = nullptr;
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float viewWd;
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float viewHt;
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uint32_t opacity = 0;
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GLuint texId = 0;
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uint32_t texFlipY = 0;
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ColorSpace texColorSpace = ColorSpace::ABGR8888;
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RenderUpdateFlag updateFlag = None;
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unique_ptr<GlGeometry> geometry;
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Array<RenderData> clips;
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};
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#define MAX_GRADIENT_STOPS 16
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struct GlLinearGradientBlock
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{
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alignas(16) float nStops[4] = {};
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alignas(16) float startPos[2] = {};
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alignas(8) float stopPos[2] = {};
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alignas(8) float stopPoints[MAX_GRADIENT_STOPS] = {};
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alignas(16) float stopColors[4 * MAX_GRADIENT_STOPS] = {};
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};
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struct GlRadialGradientBlock
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{
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alignas(16) float nStops[4] = {};
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alignas(16) float centerPos[2] = {};
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alignas(8) float radius[2] = {};
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alignas(8) float stopPoints[MAX_GRADIENT_STOPS] = {};
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alignas(16) float stopColors[4 * MAX_GRADIENT_STOPS] = {};
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};
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struct GlCompositor : public Compositor
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{
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RenderRegion bbox = {};
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GlCompositor(const RenderRegion& box) : bbox(box) {}
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};
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#endif /* _TVG_GL_COMMON_H_ */
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