void LayerShaderStudy00::onCustomDraw(const cocos2d::Mat4 &transform, uint32_t flags)
{
Size winSize = Director::getInstance()->getWinSize();
// data define
GLfloat vertercies[] = {
0.0f,0.0f,
winSize.width,0.0f,
winSize.width*0.5f,winSize.height};
GLfloat color[] = {
1.0f,0.0f,0.0f,1.0f,
0.0f,1.0f,0.0f,1.0f,
0.0f,0.0f,1.0f,1.0f
};
// gl programe use
GLProgram* pGlPrograme = getGLProgram();
pGlPrograme->use();
// input params uniform-mvp
pGlPrograme->setUniformsForBuiltins();
// input params attribute
GL::enableVertexAttribs(GL::VERTEX_ATTRIB_FLAG_POSITION | GL::VERTEX_ATTRIB_FLAG_COLOR);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_POSITION, 2, GL_FLOAT, GL_FALSE, sizeof(GLfloat)*2, vertercies);
glVertexAttribPointer(GLProgram::VERTEX_ATTRIB_COLOR, 4, GL_FLOAT, GL_FALSE, sizeof(GLfloat)*4, color);
// draw
glDrawArrays(GL_TRIANGLES, 0, 3);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, 3);
CHECK_GL_ERROR_DEBUG();
}
void LayerShaderStudy05::onCustomDraw(const cocos2d::Mat4& transform, uint32_t flags)
{
// gl programe use
GLProgram* pGlPrograme = getGLProgram();
pGlPrograme->use();
// input params uniform-mvp
pGlPrograme->setUniformsForBuiltins();
glBindVertexArray(m_vao);
glDrawArrays(GL_TRIANGLES, 0, 3);
glBindVertexArray(0);
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, 3);
CHECK_GL_ERROR_DEBUG();
}
void CubeTextureVAO::onDraw(const Mat4 &transform, bool transformUpdated, Ref* ss)
{
Director::getInstance()->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
Director::getInstance()->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
Director::getInstance()->pushMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
Director::getInstance()->loadIdentityMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
Mat4 modelViewMatrix;
Mat4::createLookAt(Vec3(0, 0, 5), Vec3(0, 0, 0), Vec3(0, -1, 0), &modelViewMatrix);
//modelViewMatrix.translate(0, 0, 0);
static float rotation = -20;
modelViewMatrix.rotate(Vec3(0, 1, 0), CC_DEGREES_TO_RADIANS(rotation));
modelViewMatrix.translate(-1, 2, 0);
Mat4 projectionMatrix;
Mat4::createPerspective(60, 480 / 320, 1.0, 42, &projectionMatrix);
Director::getInstance()->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION, projectionMatrix);
Director::getInstance()->multiplyMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW, modelViewMatrix);
#if Use_Custom_Shader
////-------- 使用自定义的shader渲染顶点数据 begin ----
mShaderProgram->use();
mShaderProgram->setUniformsForBuiltins();
#else
//-------- 使用cocos的shader渲染顶点数据 begin ----
GLProgram* glProgram = getGLProgram();
glProgram->use();
glProgram->setUniformsForBuiltins();
//-------- 使用cocos的shader渲染顶点数据 end ----
#endif
// 0 ~ 1 之间波动
float tmp22 = sinf(counter*0.01);
counter++;
//先激活VAO, 在激活VBO，才能获取到缓冲区的映射
//再进行数据修改，然后取消映射
glBindVertexArray(_quadVAO);
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
//GLfloat* data2 = NULL;
//data2 = (GLfloat*)glMapBufferRange(GL_ARRAY_BUFFER, (GLintptr)0, (GLsizeiptr)50, GL_MAP_WRITE_BIT);
//if (data2 != (GLfloat*)NULL) {
// data2[9 * 0 + 0] = tmp22; /* Modify X values */
// //data2[9 * 0 + 1] += tmp22; /* Modify Y values */
// data2[9 * 1 + 1] = tmp22; /* Modify Y values */
// glUnmapBuffer(GL_ARRAY_BUFFER);
//}
//else
//{
// int a = 1;
//}
////set sampler
GL::bindTexture2DN(0, _textureID);
//glActiveTexture( GL_TEXTURE0 );
//glBindTexture(GL_TEXTURE_2D, _textureID);
GL::blendFunc(mBlendFunc.src, mBlendFunc.dst);
//glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_BLEND);
glEnable(GL_DEPTH_TEST);
glDrawElements(GL_TRIANGLES, 36, GL_UNSIGNED_BYTE, 0);
//解除激活
glBindVertexArray(0);
//glUniform1i(_textureUniform, 0); // unnecc in practice
// 0 ~ 1 之间波动
float tmp = sinf(tmpCount*0.01);
//float tmp = sinf(tmpCount*0.005);
tmp = tmp < 0 ? -tmp : tmp;
tmpCount++;
#define g_iWeightNumber 17
//////设置blur权重
//float weightArr[g_iWeightNumber] = { 0.9 };
//GLuint weightLoc = glGetUniformLocation(mShaderProgram->getProgram(), "g_aryWeight");
//glUniform1fv(weightLoc, g_iWeightNumber, weightArr);
////设置横向blur偏移数组
//float offsetArr[g_iWeightNumber * 2] = { 0.1 };
//GLuint offsetLoc = glGetUniformLocation(mShaderProgram->getProgram(), "g_aryVerticalOffset");
//glUniform2fv(offsetLoc, g_iWeightNumber, offsetArr);
#if Use_Custom_Shader
//过滤向量
float hor[2] = { 0.00, 0.00 };
if (touching)
{
hor[0] = tmp;
hor[1] = tmp;
}
GLuint horLoc = glGetUniformLocation(mShaderProgram->getProgram(), "g_vec2HorizontalDir");
glUniform2fv(horLoc, 1, hor);
//过滤偏移
float offset = 0.0 ;
GLuint offsetLoc = glGetUniformLocation(mShaderProgram->getProgram(), "g_fFilterOffset");
glUniform1f(offsetLoc, offset);
//亮度
float glowGen = 1.0 ;
GLuint glowGenLoc = glGetUniformLocation(mShaderProgram->getProgram(), "g_fGlowGene");
glUniform1f(glowGenLoc, glowGen);
#endif
CC_INCREMENT_GL_DRAWN_BATCHES_AND_VERTICES(1, vertexCount);
CHECK_GL_ERROR_DEBUG();
glDisable(GL_DEPTH_TEST);
Director::getInstance()->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_PROJECTION);
Director::getInstance()->popMatrix(MATRIX_STACK_TYPE::MATRIX_STACK_MODELVIEW);
}