void gfx::BloomProgram::Render(){
//Do brightpass
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_BrightPassShader);
prog->Apply();
const int WORK_GROUP_SIZE = 32;
GLuint WorkGroupSizeX = GLuint((m_Width + WORK_GROUP_SIZE - 1) / float(WORK_GROUP_SIZE));
GLuint WorkGroupSizeY = GLuint((m_Height + WORK_GROUP_SIZE - 1) / float(WORK_GROUP_SIZE));
prog->SetUniformTextureHandle("g_Image", m_TargetTex, 1);
prog->SetUniformVec2("g_ScreenSize", glm::vec2(m_Width, m_Height));
prog->SetUniformFloat("g_Threshold", 0.4f);
prog->SetUniformFloat("g_Smoothness", 0.8f);
glBindImageTexture(0, m_BloomTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA8);
glDispatchCompute(WorkGroupSizeX, WorkGroupSizeY, 1);
//blur result
m_BlurProgram->Render();
//add to final target
prog = g_ShaderBank.GetProgramFromHandle(m_BloomShader);
prog->Apply();
prog->SetUniformTextureHandle("g_BluredBloomTex", m_BlurProgram->GetBluredTexture(), 1);
prog->SetUniformTextureHandle("g_ColorBuffer", m_TargetTex, 2);
prog->SetUniformVec2("g_ScreenSize", glm::vec2(m_Width, m_Height));
glBindImageTexture(0, m_BloomTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA8);
glDispatchCompute(WorkGroupSizeX, WorkGroupSizeY, 1);
}
void TerrainDeformationProgram::Initialize(){
m_FrameBuffer = new FrameBuffer();
m_FrameBuffer->Init();
glGenTextures(1, &m_BrushTexture);
glBindTexture(GL_TEXTURE_2D, m_BrushTexture);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, m_BRUSH_RES, m_BRUSH_RES, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glBindTexture(GL_TEXTURE_2D, 0);
//fill in brush
m_BrushGenProgram = g_ShaderBank.LoadShaderProgram("../../../shader/BrushTexGenProgram.glsl");
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_BrushGenProgram);
prog->Apply();
prog->SetUniformFloat("hardness", 1.0f);
glBindImageTexture(0, m_BrushTexture, 0, GL_FALSE, 0, GL_WRITE_ONLY, GL_RGBA8);
const int WORK_GROUP_SIZE = 32;
GLuint WorkGroupSize = GLuint((m_BRUSH_RES + WORK_GROUP_SIZE - 1) / float(WORK_GROUP_SIZE));
glDispatchCompute(WorkGroupSize, WorkGroupSize, 1);
m_DrawProgram = g_ShaderBank.LoadShaderProgram("../../../shader/SpriteShader.glsl");
m_BrushTex = new Texture();
m_BrushTex->Init("../../../binasset/texture/brush.png", TEXTURE_COLOR);
m_FilterProgram = g_ShaderBank.LoadShaderProgram("../../../shader/TerrainDeformFilter.glsl");
}
void gfx::LineRenderProgram::Draw()
{
glDisable( GL_DEPTH_TEST );
glLineWidth(4.0f);
glEnable(GL_BLEND);
ShaderProgram* prog = g_ShaderBank.GetProgramFromHandle(m_ProgramHandle);
prog->Apply();
glm::mat4 vp = m_RenderJobManager->GetProj() * m_RenderJobManager->GetView();
prog->SetUniformMat4("vp", vp);
rVector<Line>& lines = m_RenderJobManager->GetLines();
for(int i = 0; i < lines.size(); i++)
{
prog->SetUniformVec4("Color", lines[i].Color);
prog->SetUniformVec3("pos1", lines[i].Origin);
prog->SetUniformVec3("pos2", lines[i].Destination);
prog->SetUniformFloat("animation", lines[i].AnimationProgres);
if(lines[i].Dashed)
{
prog->SetUniformTextureHandle("Tex", m_DashedTexture, 0);
}
else
{
prog->SetUniformTextureHandle("Tex", m_Texture, 0);
}
glBindVertexArray( 0 );
glDrawArrays(GL_POINTS, 0, 1);
}
glUseProgram( 0 );
glEnable( GL_DEPTH_TEST );
glLineWidth(1.0f);
glDisable(GL_BLEND);
}