mirror of
https://github.com/thorvg/thorvg.git
synced 2025-06-08 13:43:43 +00:00
8212d6f0f9
1. convert mat4 directly from exist mat3, and remove unused calculation code. 2. since normalized position is only meaningful in vertex shader stage. use logical position in fragment shader stage for all gradient pipeline.
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) 2020 - 2023 the ThorVG project. All rights reserved.
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#ifndef _TVG_GL_RENDER_TASK_H_
|
|
#define _TVG_GL_RENDER_TASK_H_
|
|
|
|
#include "tvgGlRendererProperties.h"
|
|
|
|
#define MAX_GRADIENT_STOPS 4
|
|
|
|
class GlRenderTask
|
|
{
|
|
public:
|
|
enum RenderTypes
|
|
{
|
|
RT_Color = 0,
|
|
RT_LinGradient,
|
|
RT_RadGradient,
|
|
|
|
RT_None,
|
|
};
|
|
|
|
GlRenderTask(RenderTypes renderType, std::shared_ptr<GlShader> shader);
|
|
RenderTypes getRenderType();
|
|
|
|
void load();
|
|
static void unload();
|
|
std::shared_ptr<GlProgram> getProgram();
|
|
std::map<int32_t, VertexProperty>& getAttributeVertexProperty();
|
|
std::map<int32_t, VertexProperty>& getUniformVertexProperty();
|
|
int32_t getLocationPropertyId() const;
|
|
int32_t getTransformLocationPropertyId() const;
|
|
void setTransform(int count, float* transform_matrix);
|
|
void uploadValues();
|
|
|
|
private:
|
|
RenderTypes mRenderType;
|
|
|
|
std::shared_ptr<GlProgram> mProgram;
|
|
std::map<int32_t, VertexProperty> mAttributePropertyBuffer;
|
|
std::map<int32_t, VertexProperty> mUniformPropertyBuffer;
|
|
|
|
int32_t mLocVertexAttribute = -1;
|
|
int32_t mLocTransform = -1;
|
|
};
|
|
|
|
class GlColorRenderTask : public GlRenderTask
|
|
{
|
|
public:
|
|
static std::shared_ptr<GlColorRenderTask> gen();
|
|
GlColorRenderTask();
|
|
void setColor(uint8_t r, uint8_t g, uint8_t b, uint8_t a);
|
|
|
|
private:
|
|
int32_t mLocColor = -1;
|
|
};
|
|
|
|
class GlGradientRenderTask : public GlRenderTask
|
|
{
|
|
public:
|
|
GlGradientRenderTask(GlRenderTask::RenderTypes renderType, std::shared_ptr<GlShader> shader);
|
|
void setPrimitveSize(float width, float height);
|
|
void setCanvasSize(float width, float height);
|
|
void setNoise(float noise);
|
|
void setStopCount(int32_t count);
|
|
void setStopColor(int index, float stopVal, uint8_t r, uint8_t g, uint8_t b, uint8_t a);
|
|
int32_t getTransformLocationPropertyId() const;
|
|
private:
|
|
int32_t mLocNoise = -1;
|
|
int32_t mLocStopCnt = -1;
|
|
int32_t mLocStops = -1;
|
|
int32_t mLocStopColors = -1;
|
|
};
|
|
|
|
class GlLinearGradientRenderTask : public GlGradientRenderTask
|
|
{
|
|
public:
|
|
static std::shared_ptr<GlLinearGradientRenderTask> gen();
|
|
GlLinearGradientRenderTask();
|
|
void setStartPosition(float posX, float posY);
|
|
void setEndPosition(float posX, float posY);
|
|
|
|
private:
|
|
int32_t mLocStartPos = -1;
|
|
int32_t mLocEndPos = -1;
|
|
};
|
|
|
|
class GlRadialGradientRenderTask : public GlGradientRenderTask
|
|
{
|
|
public:
|
|
static std::shared_ptr<GlRadialGradientRenderTask> gen();
|
|
GlRadialGradientRenderTask();
|
|
~GlRadialGradientRenderTask();
|
|
void setStartPosition(float posX, float posY);
|
|
void setStartRadius(float radius);
|
|
void setEndRadius(float radius);
|
|
|
|
private:
|
|
int32_t mLocStartPos = -1;
|
|
int32_t mLocStRadius = -1;
|
|
int32_t mLocEdRadius = -1;
|
|
};
|
|
|
|
|
|
#endif /* _TVG_GL_RENDER_TASK_H_ */
|