void MainDeferredRenderer::render()
{
//printf("Deferred rendering.\n");
static const GLuint uint_zeros[] = { 0, 0, 0, 0 };
static const GLfloat float_zeros[] = { 0.0f, 0.0f, 0.0f, 0.0f };
static const GLfloat float_ones[] = { 1.0f, 1.0f, 1.0f, 1.0f };
static const GLenum draw_buffers[] = { GL_COLOR_ATTACHMENT0, GL_COLOR_ATTACHMENT1 };
glBindFramebuffer(GL_FRAMEBUFFER, gbuffer);
glViewport(0, 0, 1280, 720); //Menos hardcoded
glDrawBuffers(2, draw_buffers);
glClearBufferuiv(GL_COLOR, 0, uint_zeros);
glClearBufferuiv(GL_COLOR, 1, uint_zeros);
glClearBufferfv(GL_DEPTH, 0, float_ones);
GLuint pID = deferred_pass->getProgramID();
//NOTIFY
for (int i = 0; i < renderers.size(); i++)
{
if (renderers[i]->enabled)
renderers[i]->deferred_render(pID);
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glViewport(0, 0, 1280, 720); //Menos hardcoded
glDrawBuffer(GL_BACK);
//2nd pass:
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, gbuffer_tex[0]);
glActiveTexture(GL_TEXTURE1);
glBindTexture(GL_TEXTURE_2D, gbuffer_tex[1]);
GLuint second = second_pass->getProgramID();
glUseProgram(second);
glDisable(GL_DEPTH_TEST);
glBindVertexArray(fs_quad_vao);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glBindTexture(GL_TEXTURE_2D, 0);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, 0);
}
void renderFBO(GLuint Framebuffer)
{
glm::mat4 Perspective = glm::perspective(45.0f, float(FRAMEBUFFER_SIZE.x) / FRAMEBUFFER_SIZE.y, 0.1f, 100.0f);
glm::mat4 ViewFlip = glm::scale(glm::mat4(1.0f), glm::vec3(1.0f,-1.0f, 1.0f));
glm::mat4 ViewTranslate = glm::translate(ViewFlip, glm::vec3(0.0f, 0.0f, -Window.TranlationCurrent.y * 2.0));
glm::mat4 View = glm::rotate(ViewTranslate,-15.f, glm::vec3(0.f, 0.f, 1.f));
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Perspective * View * Model;
glUseProgram(ProgramName[program::RENDER]);
glUniform1i(UniformDiffuse[program::RENDER], 0);
glUniformMatrix4fv(UniformMVP[program::RENDER], 1, GL_FALSE, &MVP[0][0]);
glViewport(0, 0, FRAMEBUFFER_SIZE.x, FRAMEBUFFER_SIZE.y);
glBindFramebuffer(GL_FRAMEBUFFER, Framebuffer);
glClearBufferuiv(GL_COLOR, 0, &glm::uvec4(0, 128, 255, 255)[0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::DIFFUSE]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
glf::checkError("renderFBO");
}
bool RenderTargetFBO::beginRendering()
{
makeCurrent();
glViewport( m_x, m_y, m_width, m_height );
unsigned int colorBufferMask = m_clearMask & TBM_COLOR_BUFFER_MASK;
unsigned int i = 0;
while ( colorBufferMask )
{
if ( colorBufferMask & 1 )
{
glClearBufferfv(GL_COLOR, i, &m_attachmentsClearColor[ getStereoTargetId( m_stereoTarget ) ][i][0] );
}
colorBufferMask >>= 1;
++i;
}
if ( m_clearMask & TBM_DEPTH_BUFFER )
{
float clearDepth = float(m_clearDepth);
glClearBufferfv( GL_DEPTH, 0, &clearDepth );
}
if ( m_clearMask & TBM_STENCIL_BUFFER )
{
glClearBufferuiv( GL_STENCIL, 0, &m_clearStencil );
}
return true;
}
void kit::PixelBuffer::clearAttachment(uint32_t attachment, glm::uvec4 clearcolor)
{
this->bind();
if (attachment >= this->m_colorAttachments.size())
{
KIT_THROW("Cant clear attachment, index out of range.");
}
GLuint color[4] = { clearcolor.x, clearcolor.y, clearcolor.z, clearcolor.w };
KIT_GL(glClearBufferuiv(GL_COLOR, attachment, &color[0]));
}
void TextureData::clear(const GLubyte *const data)
{
const TextureData::Format *const format = &FORMATS[(int)this->format];
GLuint buffer[format->size];
for (int i = 0; i < format->size; i++) {
buffer[i] = data[i];
}
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, framebuffer);
glClearBufferuiv(GL_COLOR, format->outputBuffer, buffer);
}
bool render()
{
glm::ivec2 WindowSize(this->getWindowSize());
// Pass 1
{
glViewport(0, 0, WindowSize.x / FRAMEBUFFER_SIZE, WindowSize.y / FRAMEBUFFER_SIZE);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName);
glClearBufferuiv(GL_COLOR, 0, &glm::uvec4(0, 128, 255, 255)[0]);
glm::mat4 Projection = glm::ortho(-2.0f, 2.0f, 2.0f,-2.0f, 2.0f, -2.0f);
glm::mat4 View = glm::mat4(1.0f);
glm::mat4 Model = glm::rotate(glm::mat4(1.0f), -0.3f, glm::vec3(0.f, 0.f, 1.f));
glm::mat4 MVP = Projection * View * Model;
glUseProgram(ProgramName[program::RENDER]);
glUniform1i(UniformDiffuse[program::RENDER], 0);
glUniformMatrix4fv(UniformMVP[program::RENDER], 1, GL_FALSE, &MVP[0][0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::DIFFUSE]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
// Pass 2
{
glm::mat4 Perspective = glm::perspective(glm::pi<float>() * 0.25f, float(WindowSize.x) / WindowSize.y, 0.1f, 100.0f);
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Perspective * this->view() * Model;
glUseProgram(ProgramName[program::SPLASH]);
glUniform1i(UniformDiffuse[program::SPLASH], 0);
glUniformMatrix4fv(UniformMVP[program::SPLASH], 1, GL_FALSE, &MVP[0][0]);
glViewport(0, 0, WindowSize.x, WindowSize.y);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 0.5f, 0.0f, 1.0f)[0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::RENDERBUFFER]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
return this->checkError("render");;
}
void Framebuffer::clearBufferuiv(const GLenum buffer, const GLint drawBuffer, const GLuint * value)
{
bind();
glClearBufferuiv(buffer, drawBuffer, value);
}
bool render()
{
glm::ivec2 WindowSize(this->getWindowSize());
// Pass 1
{
glViewport(0, 0,
WindowSize.x / FRAMEBUFFER_SIZE,
WindowSize.y / FRAMEBUFFER_SIZE);
glBindFramebuffer(GL_FRAMEBUFFER, FramebufferName[framebuffer::RENDER]);
glClearBufferuiv(GL_COLOR, 0, &glm::uvec4(0, 128, 255, 255)[0]);
glm::mat4 Perspective = glm::perspective(glm::pi<float>() * 0.25f, float(WindowSize.x) / WindowSize.y, 0.1f, 100.0f);
glm::mat4 ViewFlip = glm::scale(glm::mat4(1.0f), glm::vec3(1.0f, 1.0f, 1.0f));
glm::mat4 ViewTranslate = glm::translate(ViewFlip, glm::vec3(0.0f, 0.0f, -this->cameraDistance() * 2.0f));
glm::mat4 View = glm::rotate(ViewTranslate,-15.f, glm::vec3(0.f, 0.f, 1.f));
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Perspective * View * Model;
glUseProgram(ProgramName[program::RENDER]);
glUniform1i(UniformDiffuse[program::RENDER], 0);
glUniformMatrix4fv(UniformMVP[program::RENDER], 1, GL_FALSE, &MVP[0][0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::DIFFUSE]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
// Resolved multisampling
{
glBindFramebuffer(GL_READ_FRAMEBUFFER, FramebufferName[framebuffer::RENDER]);
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, FramebufferName[framebuffer::RESOLVE]);
glBlitFramebuffer(
0, 0,
WindowSize.x / FRAMEBUFFER_SIZE,
WindowSize.y / FRAMEBUFFER_SIZE,
0, 0,
WindowSize.x / FRAMEBUFFER_SIZE,
WindowSize.y / FRAMEBUFFER_SIZE,
GL_COLOR_BUFFER_BIT, GL_NEAREST);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
}
// Pass 2
{
glm::mat4 Perspective = glm::perspective(glm::pi<float>() * 0.25f, float(WindowSize.x) / WindowSize.y, 0.1f, 100.0f);
glm::mat4 Model = glm::mat4(1.0f);
glm::mat4 MVP = Perspective * this->view() * Model;
glUseProgram(ProgramName[program::SPLASH]);
glUniform1i(UniformDiffuse[program::SPLASH], 0);
glUniformMatrix4fv(UniformMVP[program::SPLASH], 1, GL_FALSE, &MVP[0][0]);
glViewport(0, 0, WindowSize.x, WindowSize.y);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearBufferfv(GL_COLOR, 0, &glm::vec4(1.0f, 0.5f, 0.0f, 1.0f)[0]);
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, TextureName[texture::SPLASHBUFFER]);
glBindVertexArray(VertexArrayName);
glDrawArraysInstanced(GL_TRIANGLES, 0, VertexCount, 1);
}
return this->checkError("render");;
}
//! glClearBufferuiv wrapper. May throw.
inline void clearBufferuiv(GLenum const buf,
GLint const drawbuffer,
GLuint const* value) {
glClearBufferuiv(buf, drawbuffer, value);
checkError("glClearBufferuiv");
}
void FramebufferImplementation_Legacy::clearBufferuiv(const Framebuffer *fbo, const GLenum buffer, const GLint drawBuffer, const GLuint * value) const
{
fbo->bind(GL_DRAW_FRAMEBUFFER);
glClearBufferuiv(buffer, drawBuffer, value);
}