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1.添加背景图渲染 2.添加播放次数逻辑
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zengjiale2
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Oct 12, 2022
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| // | ||
| // Created by zengjiale on 2022/10/11. | ||
| // | ||
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| #include "bgrender.h" | ||
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| BgRender::BgRender() { | ||
| initRender(); | ||
| } | ||
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| BgRender::~BgRender() { | ||
| vertexArray = nullptr; | ||
| rgbaArray = nullptr; | ||
| } | ||
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| void BgRender::setBgImage(unsigned char *bitmap, AndroidBitmapInfo *bitmapInfo) { | ||
| textureId = TextureLoadUtil::loadTexture(bitmap, bitmapInfo); | ||
| } | ||
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| void BgRender::initRender() { | ||
| char VERTEX_SHADER[] = "attribute vec4 vPosition;\n" | ||
| "attribute vec4 vTexCoordinate;\n" | ||
| "varying vec2 v_TexCoordinate;\n" | ||
| "\n" | ||
| "void main() {\n" | ||
| " v_TexCoordinate = vec2(vTexCoordinate.x, vTexCoordinate.y);\n" | ||
| " gl_Position = vPosition;\n" | ||
| "}"; | ||
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| char FRAGMENT_SHADER[] = "precision mediump float;\n" | ||
| "uniform sampler2D texture;\n" | ||
| "varying vec2 v_TexCoordinate;\n" | ||
| "\n" | ||
| "void main () {\n" | ||
| " gl_FragColor = texture2D(texture, v_TexCoordinate);\n" | ||
| // " gl_FragColor = vec4(1.0,0.2,0.5,1.0);\n" | ||
| "}"; | ||
| shaderProgram = ShaderUtil::createProgram(VERTEX_SHADER, FRAGMENT_SHADER); | ||
| uTextureLocation = glGetUniformLocation(shaderProgram, "texture"); | ||
| positionLocation = glGetAttribLocation(shaderProgram, "vPosition"); | ||
| textureLocation = glGetAttribLocation(shaderProgram, "vTexCoordinate"); | ||
| } | ||
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| void BgRender::renderFrame() { | ||
| if (surfaceSizeChanged && surfaceWidth > 0 && surfaceHeight > 0) { | ||
| surfaceSizeChanged = false; | ||
| glViewport(0, 0, surfaceWidth, surfaceHeight); | ||
| } | ||
| draw(); | ||
| } | ||
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| void BgRender::clearFrame() { | ||
| glClearColor(0, 0, 0, 0); | ||
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| glClear(GL_COLOR_BUFFER_BIT); | ||
| // glClearColor(1.0, 0, 0.5, 1.0); | ||
| } | ||
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| void BgRender::destroyRender() { | ||
| releaseTexture(); | ||
| } | ||
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| void BgRender::setAnimeConfig(EvaAnimeConfig *config) { | ||
| vertexArray->setArray(VertexUtil::create(config->width, config->height, new PointRect(0, 0, config->width, config->height), vertexArray->array)); | ||
| float* rgba = TexCoordsUtil::create(config->width, config->height, new PointRect(0, 0, config->width, config->height), rgbaArray->array); | ||
| rgbaArray->setArray(rgba); | ||
| } | ||
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| GLuint BgRender::getExternalTexture() { | ||
| return textureId; | ||
| } | ||
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| void BgRender::releaseTexture() { | ||
| glDeleteTextures(1, &textureId); | ||
| } | ||
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| void BgRender::swapBuffers() { | ||
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| } | ||
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| void BgRender::updateViewPort(int width, int height) { | ||
| if (width <= 0 || height <= 0) return; | ||
| surfaceSizeChanged = true; | ||
| surfaceWidth = width; | ||
| surfaceHeight = height; | ||
| } | ||
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| void BgRender::draw() { | ||
| if (textureId != -1) { | ||
| glUseProgram(shaderProgram); | ||
| vertexArray->setVertexAttribPointer(positionLocation); | ||
| glActiveTexture(GL_TEXTURE0); | ||
| glBindTexture(GL_TEXTURE_2D, textureId); | ||
| //加载纹理 | ||
| glUniform1i(uTextureLocation, 0); | ||
| rgbaArray->setVertexAttribPointer(textureLocation); | ||
| glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| // | ||
| // Created by zengjiale on 2022/10/11. | ||
| // | ||
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| #include <android/log.h> | ||
| #include <engine/irender.h> | ||
| #include <egl/eglcore.h> | ||
| #include <util/shaderutil.h> | ||
| #include <util/glfloatarray.h> | ||
| #include <GLES2/gl2.h> | ||
| #include <GLES2/gl2ext.h> | ||
| #include <util/vertexutil.h> | ||
| #include <util/texcoordsutil.h> | ||
| #include <util/textureloadutil.h> | ||
| #include <android/bitmap.h> | ||
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| #ifndef YYEVA_BGRENDER_H | ||
| #define YYEVA_BGRENDER_H | ||
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| #define LOG_TAG "BgRender" | ||
| #define ELOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__) | ||
| #define ELOGV(...) __android_log_print(ANDROID_LOG_VERBOSE, LOG_TAG, __VA_ARGS__) | ||
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| using namespace std; | ||
| class BgRender: public IRender { | ||
| public: | ||
| BgRender(); | ||
| ~BgRender(); | ||
| void initRender(); | ||
| void setBgImage(unsigned char *bitmap, AndroidBitmapInfo *bitmapInfo); | ||
| void renderFrame(); | ||
| void clearFrame(); | ||
| void destroyRender(); | ||
| void setAnimeConfig(EvaAnimeConfig* config); | ||
| GLuint getExternalTexture(); | ||
| void releaseTexture(); | ||
| void swapBuffers(); | ||
| void updateViewPort(int width, int height); | ||
| void draw(); | ||
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| private: | ||
| GlFloatArray *vertexArray = new GlFloatArray(); | ||
| GlFloatArray *rgbaArray = new GlFloatArray(); | ||
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| GLuint shaderProgram; | ||
| //shader | ||
| GLuint textureId; | ||
| //顶点位置 | ||
| GLint uTextureLocation; | ||
| //纹理位置 | ||
| GLint positionLocation; | ||
| //纹理位置 | ||
| GLint textureLocation; | ||
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| int surfaceWidth = 0; | ||
| int surfaceHeight = 0; | ||
| bool surfaceSizeChanged = false; | ||
| }; | ||
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| #endif //YYEVA_BGRENDER_H |
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