void NormalArray::beginUse() {
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_FLOAT, 0, (const GLvoid*) arrayptr );
}
////////////////////////////////////////////////////////////
/// Entry point of application
///
/// \return Application exit code
///
////////////////////////////////////////////////////////////
int main()
{
bool exit = false;
bool sRgb = false;
while (!exit)
{
// Request a 24-bits depth buffer when creating the window
sf::ContextSettings contextSettings;
contextSettings.depthBits = 24;
contextSettings.sRgbCapable = sRgb;
// Create the main window
sf::RenderWindow window(sf::VideoMode(800, 600), "SFML graphics with OpenGL", sf::Style::Default, contextSettings);
window.setVerticalSyncEnabled(true);
// Create a sprite for the background
sf::Texture backgroundTexture;
backgroundTexture.setSrgb(sRgb);
if (!backgroundTexture.loadFromFile("resources/background.jpg"))
return EXIT_FAILURE;
sf::Sprite background(backgroundTexture);
// Create some text to draw on top of our OpenGL object
sf::Font font;
if (!font.loadFromFile("resources/sansation.ttf"))
return EXIT_FAILURE;
sf::Text text("SFML / OpenGL demo", font);
sf::Text sRgbInstructions("Press space to toggle sRGB conversion", font);
sf::Text mipmapInstructions("Press return to toggle mipmapping", font);
text.setFillColor(sf::Color(255, 255, 255, 170));
sRgbInstructions.setFillColor(sf::Color(255, 255, 255, 170));
mipmapInstructions.setFillColor(sf::Color(255, 255, 255, 170));
text.setPosition(250.f, 450.f);
sRgbInstructions.setPosition(150.f, 500.f);
mipmapInstructions.setPosition(180.f, 550.f);
// Load a texture to apply to our 3D cube
sf::Texture texture;
if (!texture.loadFromFile("resources/texture.jpg"))
return EXIT_FAILURE;
// Attempt to generate a mipmap for our cube texture
// We don't check the return value here since
// mipmapping is purely optional in this example
texture.generateMipmap();
// Make the window the active window for OpenGL calls
window.setActive(true);
// Enable Z-buffer read and write
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
glClearDepth(1.f);
// Disable lighting
glDisable(GL_LIGHTING);
// Configure the viewport (the same size as the window)
glViewport(0, 0, window.getSize().x, window.getSize().y);
// Setup a perspective projection
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
GLfloat ratio = static_cast<float>(window.getSize().x) / window.getSize().y;
glFrustum(-ratio, ratio, -1.f, 1.f, 1.f, 500.f);
// Bind the texture
glEnable(GL_TEXTURE_2D);
sf::Texture::bind(&texture);
// Define a 3D cube (6 faces made of 2 triangles composed by 3 vertices)
static const GLfloat cube[] =
{
// positions // texture coordinates
-20, -20, -20, 0, 0,
-20, 20, -20, 1, 0,
-20, -20, 20, 0, 1,
-20, -20, 20, 0, 1,
-20, 20, -20, 1, 0,
-20, 20, 20, 1, 1,
20, -20, -20, 0, 0,
20, 20, -20, 1, 0,
20, -20, 20, 0, 1,
20, -20, 20, 0, 1,
20, 20, -20, 1, 0,
20, 20, 20, 1, 1,
-20, -20, -20, 0, 0,
20, -20, -20, 1, 0,
-20, -20, 20, 0, 1,
-20, -20, 20, 0, 1,
20, -20, -20, 1, 0,
20, -20, 20, 1, 1,
-20, 20, -20, 0, 0,
20, 20, -20, 1, 0,
-20, 20, 20, 0, 1,
-20, 20, 20, 0, 1,
20, 20, -20, 1, 0,
20, 20, 20, 1, 1,
-20, -20, -20, 0, 0,
20, -20, -20, 1, 0,
-20, 20, -20, 0, 1,
-20, 20, -20, 0, 1,
20, -20, -20, 1, 0,
20, 20, -20, 1, 1,
-20, -20, 20, 0, 0,
20, -20, 20, 1, 0,
-20, 20, 20, 0, 1,
-20, 20, 20, 0, 1,
20, -20, 20, 1, 0,
20, 20, 20, 1, 1
};
// Enable position and texture coordinates vertex components
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, 5 * sizeof(GLfloat), cube);
glTexCoordPointer(2, GL_FLOAT, 5 * sizeof(GLfloat), cube + 3);
// Disable normal and color vertex components
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
// Make the window no longer the active window for OpenGL calls
window.setActive(false);
// Create a clock for measuring the time elapsed
sf::Clock clock;
// Flag to track whether mipmapping is currently enabled
bool mipmapEnabled = true;
// Start game loop
while (window.isOpen())
{
// Process events
sf::Event event;
while (window.pollEvent(event))
{
// Close window: exit
if (event.type == sf::Event::Closed)
{
exit = true;
window.close();
}
// Escape key: exit
if ((event.type == sf::Event::KeyPressed) && (event.key.code == sf::Keyboard::Escape))
{
exit = true;
window.close();
}
// Return key: toggle mipmapping
if ((event.type == sf::Event::KeyPressed) && (event.key.code == sf::Keyboard::Return))
{
if (mipmapEnabled)
{
// We simply reload the texture to disable mipmapping
if (!texture.loadFromFile("resources/texture.jpg"))
return EXIT_FAILURE;
mipmapEnabled = false;
}
else
{
texture.generateMipmap();
mipmapEnabled = true;
}
}
// Space key: toggle sRGB conversion
if ((event.type == sf::Event::KeyPressed) && (event.key.code == sf::Keyboard::Space))
{
sRgb = !sRgb;
window.close();
}
// Adjust the viewport when the window is resized
if (event.type == sf::Event::Resized)
{
// Make the window the active window for OpenGL calls
window.setActive(true);
glViewport(0, 0, event.size.width, event.size.height);
// Make the window no longer the active window for OpenGL calls
window.setActive(false);
}
}
// Draw the background
window.pushGLStates();
window.draw(background);
window.popGLStates();
// Make the window the active window for OpenGL calls
window.setActive(true);
// Clear the depth buffer
glClear(GL_DEPTH_BUFFER_BIT);
// We get the position of the mouse cursor, so that we can move the box accordingly
float x = sf::Mouse::getPosition(window).x * 200.f / window.getSize().x - 100.f;
float y = -sf::Mouse::getPosition(window).y * 200.f / window.getSize().y + 100.f;
// Apply some transformations
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(x, y, -100.f);
glRotatef(clock.getElapsedTime().asSeconds() * 50.f, 1.f, 0.f, 0.f);
glRotatef(clock.getElapsedTime().asSeconds() * 30.f, 0.f, 1.f, 0.f);
glRotatef(clock.getElapsedTime().asSeconds() * 90.f, 0.f, 0.f, 1.f);
// Draw the cube
glDrawArrays(GL_TRIANGLES, 0, 36);
// Make the window no longer the active window for OpenGL calls
window.setActive(false);
// Draw some text on top of our OpenGL object
window.pushGLStates();
window.draw(text);
window.draw(sRgbInstructions);
window.draw(mipmapInstructions);
window.popGLStates();
// Finally, display the rendered frame on screen
window.display();
}
}
return EXIT_SUCCESS;
}
static GLboolean test()
{
GLboolean pass = GL_TRUE;
/* Prepare the shaders */
GLint prog = setup_shaders();
GLint uPixelSize = glGetUniformLocation(prog, "pixelSize");
GLint uTexUnit = glGetUniformLocation(prog, "texUnit");
GLuint scratchTex;
int i;
/* Pixel sizes in texture coordinates for the horizontal and vertical passes */
const float horizontal[2] = { 1.0 / WIDTH, 0 };
const float vertical[2] = { 0, 1.0 / HEIGHT };
/* Texture and vertex coordinates */
const float tc[] = { 0,1, 1,1, 0,0, 0,0, 1,1, 1,0 };
const float vc[] = { -1,1, 1,1, -1,-1, -1,-1, 1,1, 1,-1 };
/* Draw the rectangle that we're going to blur */
piglit_draw_rect(-.5, -.5, 1, 1);
/* Create a scratch texture */
glGenTextures(1, &scratchTex);
glBindTexture(GL_TEXTURE_2D, scratchTex);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA8, WIDTH, HEIGHT, 0, GL_BGRA, GL_UNSIGNED_BYTE, 0);
glUseProgram(prog);
glUniform1i(uTexUnit, 0);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, 0, tc);
glVertexPointer(2, GL_FLOAT, 0, vc);
/* Horizontal pass */
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
glUniform2fv(uPixelSize, 1, horizontal);
glDrawArrays(GL_TRIANGLES, 0, 6);
/* Vertical pass */
glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, WIDTH, HEIGHT);
glUniform2fv(uPixelSize, 1, vertical);
glDrawArrays(GL_TRIANGLES, 0, 6);
/* Clean up */
glUseProgram(0);
glBindTexture(GL_TEXTURE_2D, 0);
glDeleteTextures(1, &scratchTex);
glDeleteProgram(prog);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if (!piglit_check_gl_error(GL_NO_ERROR))
piglit_report_result(PIGLIT_FAIL);
/* Test the sides */
for (i = 0; i < 26; i++) {
float color[3];
color[0] = expected_edge[i] / 255.;
color[1] = color[0];
color[2] = color[0];
pass = piglit_probe_pixel_rgb(50, 12 + i, color) && pass;
pass = piglit_probe_pixel_rgb(50, HEIGHT - 13 - i, color) && pass;
pass = piglit_probe_pixel_rgb(12 + i, 50, color) && pass;
pass = piglit_probe_pixel_rgb(WIDTH - 13 - i, 50, color) && pass;
}
/* Test the corners */
for (i = 0; i < 22; i++) {
float color[3];
color[0] = expected_corner[i] / 255.;
color[1] = color[0];
color[2] = color[0];
pass = piglit_probe_pixel_rgb(16 + i, 16 + i, color) && pass;
pass = piglit_probe_pixel_rgb(16 + i, HEIGHT - 17 - i, color) && pass;
pass = piglit_probe_pixel_rgb(WIDTH - 17 - i, 16 + i, color) && pass;
pass = piglit_probe_pixel_rgb(WIDTH - 17 - i, HEIGHT - 17 - i, color) && pass;
}
return pass;
}
void DrawCube ( float size )
{
#if 0
glBegin ( GL_QUADS );
glColor3f ( 0.0f, 0.0f, 1.0f );
glVertex3f ( size, size, -size );
glVertex3f ( -size, size, -size );
glVertex3f ( -size, size, size );
glVertex3f ( size, size, size );
glColor3f ( 1.0f, 0.5f, 0.0f );
glVertex3f ( size, -size, size );
glVertex3f ( -size, -size, size );
glVertex3f ( -size, -size, -size );
glVertex3f ( size, -size, -size );
glColor3f ( 1.0f, 0.0f, 0.0f );
glVertex3f ( size, size, size );
glVertex3f ( -size, size, size );
glVertex3f ( -size, -size, size );
glVertex3f ( size, -size, size );
glColor3f ( 1.0f, 1.0f, 0.0f );
glVertex3f ( size, -size, -size );
glVertex3f ( -size, -size, -size );
glVertex3f ( -size, size, -size );
glVertex3f ( size, size, -size );
glColor3f ( 0.0f, 1.0f, 0.0f );
glVertex3f ( -size, size, size );
glVertex3f ( -size, size, -size );
glVertex3f ( -size, -size, -size );
glVertex3f ( -size, -size, size );
glColor3f ( 1.0f, 0.0f, 1.0f );
glVertex3f ( size, size, -size );
glVertex3f ( size, size, size );
glVertex3f ( size, -size, size );
glVertex3f ( size, -size, -size );
glEnd();
#else
float cube [] =
{
size, size, -size ,
0.0f, 0.0f, 1.0f ,
-size, size, -size ,
0.0f, 0.0f, 1.0f ,
-size, size, size ,
0.0f, 0.0f, 1.0f ,
size, size, size ,
0.0f, 0.0f, 1.0f ,
size, -size, size ,
1.0f, 0.5f, 0.0f ,
-size, -size, size ,
1.0f, 0.5f, 0.0f ,
-size, -size, -size ,
1.0f, 0.5f, 0.0f ,
size, -size, -size ,
1.0f, 0.5f, 0.0f ,
size, size, size ,
1.0f, 0.0f, 0.0f ,
-size, size, size ,
1.0f, 0.0f, 0.0f ,
-size, -size, size ,
1.0f, 0.0f, 0.0f ,
size, -size, size ,
1.0f, 0.0f, 0.0f ,
size, -size, -size ,
1.0f, 1.0f, 0.0f ,
-size, -size, -size ,
1.0f, 1.0f, 0.0f ,
-size, size, -size ,
1.0f, 1.0f, 0.0f ,
size, size, -size ,
1.0f, 1.0f, 0.0f ,
-size, size, size ,
0.0f, 1.0f, 0.0f ,
-size, size, -size ,
0.0f, 1.0f, 0.0f ,
-size, -size, -size ,
0.0f, 1.0f, 0.0f ,
-size, -size, size ,
0.0f, 1.0f, 0.0f ,
size, size, -size ,
1.0f, 0.0f, 1.0f ,
size, size, size ,
1.0f, 0.0f, 1.0f ,
size, -size, size ,
1.0f, 0.0f, 1.0f ,
size, -size, -size ,
1.0f, 0.0f, 1.0f
};
glVertexPointer ( 3, GL_FLOAT, sizeof ( float ) * 6, cube );
glColorPointer ( 3, GL_FLOAT, sizeof ( float ) * 6, cube + 3 );
glPushClientAttrib ( GL_CLIENT_VERTEX_ARRAY_BIT );
glEnableClientState ( GL_VERTEX_ARRAY );
glEnableClientState ( GL_COLOR_ARRAY );
glDrawArrays ( GL_QUADS, 0, 24 );
glPopClientAttrib();
#endif
}
void InfiniTAMApp::RenderGL(void)
{
glClear(GL_COLOR_BUFFER_BIT);
if (!IsInitialized()) return;
if (mNewWindowSize.x > 0) {
Vector2i depthImageSize = mMainEngine->GetImageSize();
float ratio = (float)depthImageSize.x/(float)depthImageSize.y;
// glViewport(0, 0, newWidth, newHeight);
if (mNewWindowSize.x >= mNewWindowSize.y) {
winPos[0] = Vector4f(0.0f, 0.0f, 1.0f/ratio, 1.0f);
winPos[1] = Vector4f(1.0f/ratio, 0.5f, 1.0f, 1.0f);
winPos[2] = Vector4f(1.0f/ratio, 0.0f, 1.0f, 0.5f);
} else {
winPos[0] = Vector4f(0.0f, 1.0f/3.0f, 1.0f, 1.0f);
winPos[1] = Vector4f(0.0f, 0.0f, 0.5f, 1.0f/3.0f);
winPos[2] = Vector4f(0.5f, 0.0f, 1.0f, 1.0f/3.0f);
}
mNewWindowSize.x = mNewWindowSize.y = -1;
}
int localNumWin = 1;//NUM_WIN
for (int w = 0; w < localNumWin; w++) mMainEngine->GetImage(outImage[w], winImageType[w]);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
{
glLoadIdentity();
glOrthof(0.0f, 1.0f, 0.0f, 1.0f, -1.0f, 1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
{
glEnable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
for (int w = 0; w < localNumWin; w++) {
glBindTexture(GL_TEXTURE_2D, textureId[w]);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, outImage[w]->noDims.x, outImage[w]->noDims.y, 0, GL_RGBA, GL_UNSIGNED_BYTE, outImage[w]->GetData(MEMORYDEVICE_CPU));
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
float vertices[] = {
winPos[w][0], winPos[w][3],
winPos[w][2], winPos[w][3],
winPos[w][0], winPos[w][1],
winPos[w][2], winPos[w][1] };
float texture[] = {
0.0f, 0.0f,
1.0f, 0.0f,
0.0f, 1.0f,
1.0f, 1.0f };
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texture);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
}
glPopMatrix();
}
glMatrixMode(GL_PROJECTION);
glPopMatrix();
}
void opengl_window::render()
{
if (iRendering || processing_event())
return;
uint64_t now = app::instance().program_elapsed_ms();
if (iFrameRate != boost::none && now - iLastFrameTime < 1000 / *iFrameRate)
return;
if (!iEventHandler.native_window_ready_to_render())
return;
rendering_check.trigger();
if (iInvalidatedRects.empty())
return;
++iFrameCounter;
iRendering = true;
iLastFrameTime = now;
rendering.trigger();
rect invalidatedRect = *iInvalidatedRects.begin();
for (const auto& ir : iInvalidatedRects)
{
invalidatedRect = invalidatedRect.combine(ir);
}
iInvalidatedRects.clear();
invalidatedRect.cx = std::min(invalidatedRect.cx, surface_size().cx - invalidatedRect.x);
invalidatedRect.cy = std::min(invalidatedRect.cy, surface_size().cy - invalidatedRect.y);
static bool initialized = false;
if (!initialized)
{
rendering_engine().initialize();
initialized = true;
}
activate_context();
glCheck(glViewport(0, 0, static_cast<GLsizei>(extents().cx), static_cast<GLsizei>(extents().cy)));
glCheck(glMatrixMode(GL_PROJECTION));
glCheck(glLoadIdentity());
glCheck(glScalef(1.0, 1.0, 1.0));
glCheck(glMatrixMode(GL_MODELVIEW));
glCheck(glLoadIdentity());
const auto& logicalCoordinates = logical_coordinates();
glCheck(glOrtho(logicalCoordinates[0], logicalCoordinates[2], logicalCoordinates[1], logicalCoordinates[3], -1.0, 1.0));
glCheck(glEnableClientState(GL_VERTEX_ARRAY));
glCheck(glEnableClientState(GL_COLOR_ARRAY));
glCheck(glEnableClientState(GL_TEXTURE_COORD_ARRAY));
glCheck(glEnable(GL_TEXTURE_2D));
glCheck(glEnable(GL_MULTISAMPLE));
glCheck(glEnable(GL_BLEND));
if (iFrameBufferSize.cx < static_cast<double>(extents().cx) || iFrameBufferSize.cy < static_cast<double>(extents().cy))
{
if (iFrameBufferSize != size{})
{
glCheck(glDeleteRenderbuffers(1, &iDepthStencilBuffer));
glCheck(glDeleteTextures(1, &iFrameBufferTexture));
glCheck(glDeleteFramebuffers(1, &iFrameBuffer));
}
iFrameBufferSize = size(
iFrameBufferSize.cx < extents().cx ? extents().cx * 1.5f : iFrameBufferSize.cx,
iFrameBufferSize.cy < extents().cy ? extents().cy * 1.5f : iFrameBufferSize.cy);
glCheck(glGenFramebuffers(1, &iFrameBuffer));
glCheck(glBindFramebuffer(GL_FRAMEBUFFER, iFrameBuffer));
glCheck(glGenTextures(1, &iFrameBufferTexture));
glCheck(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, iFrameBufferTexture));
glCheck(glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE, 4, GL_RGBA8, static_cast<GLsizei>(iFrameBufferSize.cx), static_cast<GLsizei>(iFrameBufferSize.cy), true));
glCheck(glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D_MULTISAMPLE, iFrameBufferTexture, 0));
glCheck(glGenRenderbuffers(1, &iDepthStencilBuffer));
glCheck(glBindRenderbuffer(GL_RENDERBUFFER, iDepthStencilBuffer));
glCheck(glRenderbufferStorageMultisample(GL_RENDERBUFFER, 4, GL_DEPTH24_STENCIL8, static_cast<GLsizei>(iFrameBufferSize.cx), static_cast<GLsizei>(iFrameBufferSize.cy)));
glCheck(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, iDepthStencilBuffer));
glCheck(glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, GL_RENDERBUFFER, iDepthStencilBuffer));
}
else
{
glCheck(glBindFramebuffer(GL_FRAMEBUFFER, iFrameBuffer));
glCheck(glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, iFrameBufferTexture));
glCheck(glBindRenderbuffer(GL_RENDERBUFFER, iDepthStencilBuffer));
}
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_NO_ERROR && status != GL_FRAMEBUFFER_COMPLETE)
throw failed_to_create_framebuffer(status);
glCheck(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, iFrameBuffer));
GLenum drawBuffers[] = { GL_COLOR_ATTACHMENT0 };
glCheck(glDrawBuffers(sizeof(drawBuffers) / sizeof(drawBuffers[0]), drawBuffers));
glCheck(iEventHandler.native_window_render(invalidatedRect));
glCheck(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0));
glCheck(glBindFramebuffer(GL_READ_FRAMEBUFFER, iFrameBuffer));
glCheck(glBlitFramebuffer(0, 0, static_cast<GLint>(extents().cx), static_cast<GLint>(extents().cy), 0, 0, static_cast<GLint>(extents().cx), static_cast<GLint>(extents().cy), GL_COLOR_BUFFER_BIT, GL_NEAREST));
display();
deactivate_context();
iRendering = false;
rendering_finished.trigger();
}
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
static void ImGui_ImplGlfw_RenderDrawLists(ImDrawData* draw_data)
{
// We are using the OpenGL fixed pipeline to make the example code simpler to read!
// A probable faster way to render would be to collate all vertices from all cmd_lists into a single vertex buffer.
// Setup render state: alpha-blending enabled, no face culling, no depth testing, scissor enabled, vertex/texcoord/color pointers.
glPushAttrib(GL_ENABLE_BIT | GL_COLOR_BUFFER_BIT | GL_TRANSFORM_BIT);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glDisable(GL_CULL_FACE);
glDisable(GL_DEPTH_TEST);
glEnable(GL_SCISSOR_TEST);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnable(GL_TEXTURE_2D);
//glUseProgram(0); // You may want this if using this code in an OpenGL 3+ context
// Setup orthographic projection matrix
const float width = ImGui::GetIO().DisplaySize.x;
const float height = ImGui::GetIO().DisplaySize.y;
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0.0f, width, height, 0.0f, -1.0f, +1.0f);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
// Render command lists
#define OFFSETOF(TYPE, ELEMENT) ((size_t)&(((TYPE *)0)->ELEMENT))
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->VtxBuffer.front();
const ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, col)));
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
pcmd->UserCallback(cmd_list, pcmd);
}
else
{
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
glScissor((int)pcmd->ClipRect.x, (int)(height - pcmd->ClipRect.w), (int)(pcmd->ClipRect.z - pcmd->ClipRect.x), (int)(pcmd->ClipRect.w - pcmd->ClipRect.y));
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, GL_UNSIGNED_SHORT, idx_buffer);
}
idx_buffer += pcmd->ElemCount;
}
}
#undef OFFSETOF
// Restore modified state
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
glBindTexture(GL_TEXTURE_2D, 0);
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glPopAttrib();
}
void outPut::drawNormals(bool reinit)
{
static VA normals;
static GLuint buf_pos;
unsigned int nbVertices = _dimensions.x*_dimensions.y*2;
if(reinit)
{
glDeleteBuffers(1,&buf_pos);
delete normals.verticesA;
normals.verticesA = new float[nbVertices*P_SIZE];
#define NORM_SCALE 2.5
///Remplissage des tableaux de sommets et de couleurs
for(unsigned int i = 0; i < _dimensions.x; i++)
{
for(unsigned int j = 0; j < _dimensions.y; j++)
{
coords3d<float> vertex(0,0,0), normal(0,0,0);
vertex = getVertex<float>(i,j);
normal = _scene3d.normalMap[i][j];
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2] = vertex.x;
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2+1] = vertex.y;
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2+2] = vertex.z;
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2+3] = vertex.x+normal.x*NORM_SCALE;
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2+4] = vertex.y+normal.y*NORM_SCALE;
normals.verticesA[(i*_dimensions.y+j)*P_SIZE*2+5] = vertex.z+normal.z*NORM_SCALE;
}
}
/* creation de nos VBO+IBO */
glGenBuffers(1, &buf_pos);
/* construction du VBO de positions */
glBindBuffer(GL_ARRAY_BUFFER, buf_pos);
glBufferData(GL_ARRAY_BUFFER, (nbVertices*P_SIZE*sizeof *normals.verticesA),
NULL, GL_STREAM_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, (nbVertices*P_SIZE*sizeof
*normals.verticesA), normals.verticesA);
//On debind le VBO
glBindBuffer(GL_ARRAY_BUFFER, 0);
// cout<<"\n(re)initialisation de l'affichage des normales reussie\n";
}
glUseProgram(_sNolight.getProgramID());
/* specification du buffer des positions de sommets */
glBindBuffer(GL_ARRAY_BUFFER, buf_pos);
glVertexPointer(P_SIZE, GL_FLOAT, 0, BUFFER_OFFSET(0));
glColor3ub(255,0,255);
glEnableClientState(GL_VERTEX_ARRAY);
glDrawArrays(GL_LINES, 0, nbVertices);
glDisableClientState(GL_VERTEX_ARRAY);
//On debind le VBO
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
void outPut::drawTerrain(bool reinit)
{
static bool lastwfStatus(!_reg.WIREFRAME);
if(lastwfStatus != _reg.WIREFRAME)
{
if(_reg.WIREFRAME)
{
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
glLineWidth(1);
}
else
{
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
}}
lastwfStatus = _reg.WIREFRAME;
static bool init(true);
static VA terrain;
static GLuint buf_pos, buf_norm, buf_cost, buf_index;
unsigned int nbVertices = _dimensions.x*_dimensions.y;
unsigned int nbIndex = (_dimensions.x-1)*(_dimensions.y-1)*6;
//nbIndex = nbVertices;
/*Chaque vertex est associé à une maille qui 'coûte' 6 indices en mémoire :
_
|\| -> deux triangles, avec 3 indices par triangle. On enlève une ligne et une colonne parce que ceux sur les côtés n'entrainent pas une maille.
+-
*/
if(init || reinit)
{
gen_verticesMap();
drawNormals(true);
glDeleteBuffers(1,&buf_pos);
glDeleteBuffers(1,&buf_norm);
glDeleteBuffers(1,&buf_cost);
glDeleteBuffers(1,&buf_index);
delete terrain.verticesA;
delete terrain.normalsA;
delete terrain.costsA;
delete terrain.indexA;
terrain.verticesA = new float[nbVertices*P_SIZE];
terrain.normalsA = new float[nbVertices*N_SIZE];
terrain.costsA = new int[nbVertices*C_SIZE];
terrain.indexA = new unsigned int[nbIndex];
///Remplissage des tableaux de sommets et de coûts
for(unsigned int i = 0; i < _dimensions.x; i++)
{
for(unsigned int j = 0; j < _dimensions.y; j++)
{
coords3d<float> vertex(0,0,0), normal(0,0,0);
vertex = getVertex<float>(i,j);
normal = _scene3d.normalMap[i][j];
int vertexPos = (i*_dimensions.y+j);
terrain.verticesA[vertexPos*P_SIZE] = vertex.x;
terrain.verticesA[vertexPos*P_SIZE+1] = vertex.y;
terrain.verticesA[vertexPos*P_SIZE+2] = vertex.z;
terrain.normalsA[vertexPos*P_SIZE] = normal.x;
terrain.normalsA[vertexPos*P_SIZE+1] = normal.y;
terrain.normalsA[vertexPos*P_SIZE+2] = normal.z;
terrain.costsA[vertexPos*C_SIZE] = -1;
}
}
///Remplissage de l'index
for(unsigned int i = 0; i < _dimensions.x-1; i++)
{
for(unsigned int j = 0; j < _dimensions.y-1; j++)
{
terrain.indexA[((i*(_dimensions.y-1))+j)*6] = i*_dimensions.y+j;
terrain.indexA[((i*(_dimensions.y-1))+j)*6+2] = i*_dimensions.y+j+1;
terrain.indexA[((i*(_dimensions.y-1))+j)*6+1] = (i+1)*_dimensions.y+j;
terrain.indexA[((i*(_dimensions.y-1))+j)*6+3] = i*_dimensions.y+j+1;
terrain.indexA[((i*(_dimensions.y-1))+j)*6+4] = (i+1)*_dimensions.y+j;
terrain.indexA[((i*(_dimensions.y-1))+j)*6+5] = (i+1)*_dimensions.y+j+1;
//cout << "\nindice max : " << ((i*(_dimensions.y-1))+j)*6+5 << " / " << nbIndex;
}
}
/* creation de nos VBO+IBO */
glGenBuffers(1, &buf_pos);
glGenBuffers(1, &buf_cost);
glGenBuffers(1, &buf_norm);
glGenBuffers(1, &buf_index);
/* construction du VBO de positions */
glBindBuffer(GL_ARRAY_BUFFER, buf_pos);
glBufferData(GL_ARRAY_BUFFER, (nbVertices*P_SIZE*sizeof *terrain.verticesA),
NULL, GL_STREAM_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, (nbVertices*P_SIZE*sizeof
*terrain.verticesA), terrain.verticesA);
/* construction du VBO de normales */
glBindBuffer(GL_ARRAY_BUFFER, buf_norm);
glBufferData(GL_ARRAY_BUFFER, (nbVertices*N_SIZE*sizeof *terrain.normalsA),
NULL, GL_STREAM_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, (nbVertices*N_SIZE*sizeof
*terrain.normalsA), terrain.normalsA);
/* construction du VBO de coûts */
glBindBuffer(GL_ARRAY_BUFFER, buf_cost);
glBufferData(GL_ARRAY_BUFFER, (nbVertices*C_SIZE*sizeof *terrain.costsA),
NULL, GL_STREAM_DRAW);
glBufferSubData(GL_ARRAY_BUFFER, 0, (nbVertices*C_SIZE*sizeof
*terrain.costsA), terrain.costsA);
/* construction du IBO */
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf_index);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, nbIndex * sizeof *terrain.indexA,
NULL, GL_STREAM_DRAW);
glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, nbIndex * sizeof
*terrain.indexA, terrain.indexA);
//On debind les VBO+IBO
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
_maxValue = 1;
// cout<<"\n(re)initialisation de l'affichage du terrain reussie\n";
init = false;
_valueChanges.clear();
}
drawAxis();
glBindBuffer(GL_ARRAY_BUFFER, buf_cost);
for(unsigned int i = 0; i < _valueChanges.size(); ++i)
{
int newCost = _valueChanges[i].value;
//newCost = 2;
//std::cout << newCost << "/" << _maxValue << std::endl;
glBufferSubData(GL_ARRAY_BUFFER, (_valueChanges[i].x*_dimensions.y + _valueChanges[i].y)*(sizeof newCost)*C_SIZE, (sizeof
newCost), &newCost);
//terrain.costsA[_valueChanges[i].x*_dimensions.y + _valueChanges[i].y] = newCost;
}
/*
glBufferSubData(GL_ARRAY_BUFFER, 0, (nbVertices*C_SIZE*sizeof
*terrain.costsA), terrain.costsA);*/
catchError("application de changements de couleur");
_valueChanges.clear();
glEnable(GL_DEPTH_TEST);
if(_reg.DRAW_NORMALS)
drawNormals();
glUseProgram(_sLight.getProgramID());
//Envoi des uniforms
glUniform1i(uid_maxCost, _maxValue);
catchError("Envoi de la valeur max");
glUniform3f(uid_defaultColor, _reg.UNIFORM_COLOR[0],_reg.UNIFORM_COLOR[1],_reg.UNIFORM_COLOR[2]);
/* specification du buffer des positions de sommets */
glEnableVertexAttribArray(aID_position);
glBindBuffer(GL_ARRAY_BUFFER, buf_pos);
glVertexAttribPointer(aID_position, P_SIZE , GL_FLOAT, 0, 0, BUFFER_OFFSET(0) );
/* specification du buffer des normales de sommets */
glEnableVertexAttribArray(aID_normal);
glBindBuffer(GL_ARRAY_BUFFER, buf_norm);
glVertexAttribPointer(aID_normal, N_SIZE , GL_FLOAT, 0, 0, BUFFER_OFFSET(0) );
/* specification du buffer des coûts de sommets */
glEnableVertexAttribArray(aID_cost);
glBindBuffer(GL_ARRAY_BUFFER, buf_cost);
glVertexAttribIPointer(aID_cost, C_SIZE, GL_INT, 0, BUFFER_OFFSET(0));
/*Spécification de l'index*/
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, buf_index);
glEnableClientState(GL_VERTEX_ARRAY);
glDrawElements(GL_TRIANGLES, nbIndex, GL_UNSIGNED_INT, BUFFER_OFFSET(0));
glDisableVertexAttribArray(aID_position);
glDisableVertexAttribArray(aID_normal);
glDisableVertexAttribArray(aID_cost);
//On debind les VBO+IBO
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisableVertexAttribArray(aID_position);
glDisableVertexAttribArray(aID_normal);
glDisableVertexAttribArray(aID_cost);
glUseProgram(0);
}
void Sprite::draw(){
ImageStaticData& d = g_imageStaticData;
if ( d.vertexVec.empty() && d.batchInfoVec.empty() ){
return;
}
#ifdef USEVBO
if ( d.vbo == -1 ){
glGenBuffers(1, &d.vbo);
}
#endif
glDisable(GL_LIGHTING);
glDepthMask(GL_FALSE);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
const App::Config conf = App::getConfig();
float w = (float)conf.width;
float h = (float)conf.height;
#ifdef __APPLE__
float rotDegree = 0;
const App::Orientation orient = App::getConfig().orientation;
switch (orient) {
case App::ORIENTATION_LEFT:
rotDegree = 90;
break;
case App::ORIENTATION_RIGHT:
rotDegree = -90;
break;
default:
break;
}
glRotatef(rotDegree, 0, 0, 1);
#endif
#ifdef WIN32
int dOrient = (App::getConfig().orientation-App::getConfig().orientation0);
float rotDegree = -dOrient * 90.f;
glRotatef(rotDegree, 0, 0, 1);
//if ( abs(dOrient) == 1 ){
// float temp = h;
// h = w;
// w = temp;
//}
#endif
cml::Matrix44 m;
cml::matrix_orthographic_RH(m, 0.f, w, -h, 0.f, Z_BEGIN, Z_END, cml::z_clip_neg_one);
glMultMatrixf(m.data());
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameterx(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
#ifdef USEVBO
glBindBuffer(GL_ARRAY_BUFFER, d.vbo);
glBufferData(GL_ARRAY_BUFFER, (int)d.vertexVec.size()*sizeof(Vertex), &(d.vertexVec[0]), GL_DYNAMIC_DRAW);
glVertexPointer(3, GL_FLOAT, sizeof(Vertex), (GLvoid*)0);
glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), (GLvoid*)(sizeof(float)*3));
#else
if ( !d.vertexVec.empty() ){
glVertexPointer(3, GL_FLOAT, sizeof(Vertex), &(d.vertexVec[0]));
char* p = (char*)&(d.vertexVec[0]);
glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), p+(sizeof(float)*3));
}
#endif
bool blendEnabled = false;
for ( size_t i = 0; i < d.batchInfoVec.size(); ++i ){
BatchInfo& batchInfo = d.batchInfoVec[i];
glColor4f(batchInfo.color.r/255.f, batchInfo.color.g/255.f, batchInfo.color.b/255.f, batchInfo.color.a/255.f);
if ( !batchInfo.rsObjs.empty() ){
std::vector<RanderStateObj*>::iterator it = batchInfo.rsObjs.begin();
std::vector<RanderStateObj*>::iterator itEnd = batchInfo.rsObjs.end();
for ( ; it != itEnd; ++it ){
(*it)->set();
}
}
if ( batchInfo.vertexOffset == -2 ){
if ( !batchInfo.rsObjs.empty() ){
std::vector<RanderStateObj*>::iterator it = batchInfo.rsObjs.begin();
std::vector<RanderStateObj*>::iterator itEnd = batchInfo.rsObjs.end();
for ( ; it != itEnd; ++it ){
delete (*it);
}
}
batchInfo.rsObjs.clear();
continue;
}
//model
if ( batchInfo.vertexOffset == -1 ){
batchInfo.pModle->drawAsSprite(batchInfo.nodeIndex);
if ( blendEnabled ){
glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}else{
glDisable(GL_BLEND);
}
if ( !d.vertexVec.empty() && i < d.batchInfoVec.size()-1 ){
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, sizeof(Vertex), &(d.vertexVec[0]));
char* p = (char*)&(d.vertexVec[0]);
glTexCoordPointer(2, GL_FLOAT, sizeof(Vertex), p+(sizeof(float)*3));
}
if ( !batchInfo.rsObjs.empty() ){
std::vector<RanderStateObj*>::iterator it = batchInfo.rsObjs.begin();
std::vector<RanderStateObj*>::iterator itEnd = batchInfo.rsObjs.end();
for ( ; it != itEnd; ++it ){
delete (*it);
}
}
batchInfo.rsObjs.clear();
continue;
}
bool shouldBlend = batchInfo.hasAlpha || batchInfo.color.a != 255;
if ( shouldBlend != blendEnabled ){
blendEnabled = shouldBlend;
if ( blendEnabled ){
glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}else{
glDisable(GL_BLEND);
}
}
glBindTexture(GL_TEXTURE_2D, batchInfo.textureId);
lwassert(glGetError()==GL_NO_ERROR);
//find next sprite batch
int sz = 0;
bool find = false;
for ( size_t idx = i+1; idx < d.batchInfoVec.size(); ++idx ){
if ( d.batchInfoVec[idx].vertexOffset != -1 ){
sz = d.batchInfoVec[idx].vertexOffset - batchInfo.vertexOffset;
find = true;
break;
}
}
if ( !find ){
sz = (int)d.vertexVec.size()-batchInfo.vertexOffset;
}
//if ( i == d.batchInfoVec.size() - 1 ){
// sz = (int)d.vertexVec.size()-batchInfo.vertexOffset;
//}else{
// sz = d.batchInfoVec[i+1].vertexOffset - batchInfo.vertexOffset;
//}
glDrawArrays(GL_TRIANGLES, batchInfo.vertexOffset, sz);
if ( !batchInfo.rsObjs.empty() ){
std::vector<RanderStateObj*>::iterator it = batchInfo.rsObjs.begin();
std::vector<RanderStateObj*>::iterator itEnd = batchInfo.rsObjs.end();
for ( ; it != itEnd; ++it ){
delete (*it);
}
batchInfo.rsObjs.clear();
}
}
glDepthMask(GL_TRUE);
glBindBuffer(GL_ARRAY_BUFFER, 0);
glDisable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, 0);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
if ( blendEnabled ){
glDisable(GL_BLEND);
}
d.vertexVec.clear();
d.batchInfoVec.clear();
d.currTextureId = -1;
//float z = g_currZ;
g_currZ = Z_BEGIN+1.f;
}
void NTextInput::Draw(NCamera* View)
{
GenerateBuffers();
if (Texture == NULL || GetColor().w == 0)
{
return;
}
if (Shader == NULL)
{
glEnableClientState(GL_VERTEX_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER,Buffers[0]);
glVertexPointer(2,GL_FLOAT,0,NULL);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glBindBuffer(GL_ARRAY_BUFFER,Buffers[1]);
glTexCoordPointer(2,GL_FLOAT,0,NULL);
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
if (Texture != NULL)
{
glBindTexture(GL_TEXTURE_2D,Texture->GetID());
}
glMatrixMode(GL_PROJECTION);
glLoadMatrixf(&View->GetOrthoMatrix()[0][0]);
glMatrixMode(GL_MODELVIEW);
glm::mat4 MVP = View->GetViewMatrix()*GetModelMatrix();
glLoadMatrixf(&MVP[0][0]);
glColor4fv(&(GetColor()[0]));
glDrawArrays(GL_QUADS,0,Verts.size());
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
return;
}
glUseProgram(Shader->GetID());
glActiveTexture(GL_TEXTURE0);
if (Texture != NULL)
{
glBindTexture(GL_TEXTURE_2D,Texture->GetID());
}
glUniform1i(TextureLoc,0);
glm::mat4 MVP = View->GetOrthoMatrix()*View->GetViewMatrix()*GetModelMatrix();
glUniformMatrix4fv(MatrixLoc,1,GL_FALSE,&MVP[0][0]);
glUniform4fv(ColorLoc,1,&(GetColor()[0]));
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER,Buffers[0]);
glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,NULL);
glEnableVertexAttribArray(1);
glBindBuffer(GL_ARRAY_BUFFER,Buffers[1]);
glVertexAttribPointer(1,2,GL_FLOAT,GL_FALSE,0,NULL);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
glDrawArrays(GL_QUADS,0,Verts.size());
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
glDisableVertexAttribArray(0);
glDisableVertexAttribArray(1);
glUseProgram(0);
}
void OpenGLES1RenderManager::DrawModelObj(ModelObj *model,Math::Vector3 position,Math::Vector3 scale,Math::Vector3 rotation)
{
glColor4ub(255, 255, 255, 255);
glPushMatrix();
glRotatef(rotation.x,1.0f,0.0f,0.0f);
glRotatef(rotation.y,0.0f,1.0f,0.0f);
glRotatef(rotation.z,0.0f,0.0f,1.0f);
glTranslatef(position.x,position.y,position.z);
glScalef(scale.x,scale.y,scale.z);
for (unsigned int i = 0; i < model->mMeshes.size();i++)
{
ObjMesh *mesh = model->mMeshes[i];
glBindTexture(GL_TEXTURE_2D, model->mMaterials[mesh->mMaterial]->texturID);
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(2, GL_FLOAT, GLsizei(sizeof(TexturesPSPVertex)), &mesh->meshVertices[0].u);
glVertexPointer(3, GL_FLOAT, GLsizei(sizeof(TexturesPSPVertex)), &mesh->meshVertices[0].x);
glDrawElements(GL_TRIANGLES, GLsizei(mesh->indicesCount), GL_UNSIGNED_SHORT, &mesh->indices[0]);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
/*glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, GLsizei(sizeof(TexturesPSPVertex)), &mesh->meshVertices[0].x);
if(mesh->mMaterial != -1)
{
//texture
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
//glActiveTexture(GL_TEXTURE0);
//glClientActiveTexture(GL_TEXTURE0);
bindTexture(model->mMaterials[mesh->mMaterial]->texturID);
glEnable(GL_TEXTURE_2D);
glTexCoordPointer(2, GL_FLOAT, GLsizei(sizeof(TexturesPSPVertex)), &mesh->meshVertices[0].u);
}
if (mesh->mMaterial != -1 && model->mMaterials[mesh->mMaterial]->lightmapping)
{
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glActiveTexture(GL_TEXTURE1);
glClientActiveTexture(GL_TEXTURE1);
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, model->mMaterials[mesh->mMaterial]->lightMapID);
glTexCoordPointer(2, GL_FLOAT, GLsizei(sizeof(TexturesPSPVertex)), &mesh->meshVertices[0].u);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
}
//glDrawElements(GL_TRIANGLE_STRIP, GLsizei(mesh->indicesCount), GL_UNSIGNED_INT, &mesh->indices[0]);
glDrawElements(GL_TRIANGLES, GLsizei(mesh->indicesCount), GL_UNSIGNED_INT, &mesh->indices[0]);
glDisable(GL_TEXTURE_2D);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);*/
}
glPopMatrix();
}
void OpenGLES1RenderManager::drawText(TrueTypeFont* font,float x, float y, const char *text, int align, unsigned int col)
{
if (!font->g_ftex) return;
if (!text) return;
y = _height - y;
if (align == Graphics::ALIGN_CENTER)
x -= font->getTextLength(font->g_cdata, text)/2;
else if (align == Graphics::ALIGN_RIGHT)
x -= font->getTextLength(font->g_cdata, text);
glColor4ub(col&0xff, (col>>8)&0xff, (col>>16)&0xff, (col>>24)&0xff);
glEnable(GL_BLEND);
glEnable(GL_TEXTURE_2D);
// assume orthographic projection with units = screen pixels, origin at top left
glBindTexture(GL_TEXTURE_2D, font->g_ftex);
_currentTexture = font->g_ftex;
const float ox = x;
TexturedVertex *vertices = new TexturedVertex[strlen(text)*6];
int ver = 0;
while (*text)
{
int c = (unsigned char)*text;
if (c == '\t')
{
for (int i = 0; i < 4; ++i)
{
if (x < g_tabStops2[i]+ox)
{
x = g_tabStops2[i]+ox;
break;
}
}
}
else if (c >= 32 && c < 128)
{
stbtt_aligned_quad2 q;
font->getBakedQuad(font->g_cdata, 256,256, c-32, &x,&y,&q);
vertices[ver].u = q.s0;vertices[ver].v = q.t0;vertices[ver].x = q.x0;vertices[ver].y = q.y0;vertices[ver].z = 0.0f;ver++;
vertices[ver].u = q.s1;vertices[ver].v = q.t1;vertices[ver].x = q.x1;vertices[ver].y = q.y1;vertices[ver].z = 0.0f;ver++;
vertices[ver].u = q.s1;vertices[ver].v = q.t0;vertices[ver].x = q.x1;vertices[ver].y = q.y0;vertices[ver].z = 0.0f;ver++;
vertices[ver].u = q.s0;vertices[ver].v = q.t0;vertices[ver].x = q.x0;vertices[ver].y = q.y0;vertices[ver].z = 0.0f;ver++;
vertices[ver].u = q.s0;vertices[ver].v = q.t1;vertices[ver].x = q.x0;vertices[ver].y = q.y1;vertices[ver].z = 0.0f;ver++;
vertices[ver].u = q.s1;vertices[ver].v = q.t1;vertices[ver].x = q.x1;vertices[ver].y = q.y1;vertices[ver].z = 0.0f;ver++;
}
++text;
}
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glVertexPointer(3, GL_FLOAT, GLsizei(sizeof(TexturedVertex)), &vertices[0].x);
glTexCoordPointer(2, GL_FLOAT, GLsizei(sizeof(TexturedVertex)), &vertices[0].u);
glDrawArrays(GL_TRIANGLES,0,ver);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
glDisable(GL_BLEND);
delete [] vertices;
}
static int
unit_tube (int faces, int smooth, int caps_p, int wire_p)
{
int i;
int polys = 0;
GLfloat step = M_PI * 2 / faces;
GLfloat s2 = step/2;
GLfloat th;
GLfloat x, y, x0=0, y0=0;
int z = 0;
int arraysize, out;
struct { XYZ p; XYZ n; GLfloat s, t; } *array;
arraysize = (faces+1) * 6;
array = (void *) calloc (arraysize, sizeof(*array));
if (! array) abort();
out = 0;
/* #### texture coords are currently not being computed */
/* side walls
*/
th = 0;
x = 1;
y = 0;
if (!smooth)
{
x0 = cos (s2);
y0 = sin (s2);
}
if (smooth) faces++;
for (i = 0; i < faces; i++)
{
array[out].p.x = x; /* bottom point A */
array[out].p.y = 0;
array[out].p.z = y;
if (smooth)
array[out].n = array[out].p; /* its own normal */
else
{
array[out].n.x = x0; /* mid-plane normal */
array[out].n.y = 0;
array[out].n.z = y0;
}
out++;
array[out].p.x = x; /* top point A */
array[out].p.y = 1;
array[out].p.z = y;
array[out].n = array[out-1].n; /* same normal */
out++;
th += step;
x = cos (th);
y = sin (th);
if (!smooth)
{
x0 = cos (th + s2);
y0 = sin (th + s2);
array[out].p.x = x; /* top point B */
array[out].p.y = 1;
array[out].p.z = y;
array[out].n = array[out-1].n; /* same normal */
out++;
array[out] = array[out-3]; /* bottom point A */
out++;
array[out] = array[out-2]; /* top point B */
out++;
array[out].p.x = x; /* bottom point B */
array[out].p.y = 0;
array[out].p.z = y;
array[out].n = array[out-1].n; /* same normal */
out++;
polys++;
}
polys++;
if (out >= arraysize) abort();
}
glEnableClientState (GL_VERTEX_ARRAY);
glEnableClientState (GL_NORMAL_ARRAY);
glEnableClientState (GL_TEXTURE_COORD_ARRAY);
glVertexPointer (3, GL_FLOAT, sizeof(*array), &array[0].p);
glNormalPointer ( GL_FLOAT, sizeof(*array), &array[0].n);
glTexCoordPointer (2, GL_FLOAT, sizeof(*array), &array[0].s);
glFrontFace(GL_CCW);
glDrawArrays ((wire_p ? GL_LINES :
(smooth ? GL_TRIANGLE_STRIP : GL_TRIANGLES)),
0, out);
/* End caps
*/
if (caps_p)
for (z = 0; z <= 1; z++)
{
out = 0;
if (! wire_p)
{
array[out].p.x = 0;
array[out].p.y = z;
array[out].p.z = 0;
array[out].n.x = 0;
array[out].n.y = (z == 0 ? -1 : 1);
array[out].n.z = 0;
out++;
}
th = 0;
for (i = (z == 0 ? 0 : faces);
(z == 0 ? i <= faces : i >= 0);
i += (z == 0 ? 1 : -1)) {
GLfloat x = cos (th);
GLfloat y = sin (th);
array[out] = array[0]; /* same normal and texture */
array[out].p.x = x;
array[out].p.y = z;
array[out].p.z = y;
out++;
th += (z == 0 ? step : -step);
polys++;
if (out >= arraysize) abort();
}
glVertexPointer (3, GL_FLOAT, sizeof(*array), &array[0].p);
glNormalPointer ( GL_FLOAT, sizeof(*array), &array[0].n);
glTexCoordPointer (2, GL_FLOAT, sizeof(*array), &array[0].s);
glFrontFace(GL_CCW);
glDrawArrays ((wire_p ? GL_LINE_LOOP : GL_TRIANGLE_FAN), 0, out);
}
free(array);
return polys;
}
void MeshRenderer :: renderToImage(cv::Mat4b& image, int flags)
{
ntk_assert(m_vertex_buffer_object.initialized,
"Renderer not initialized! Call setPose and setMesh.");
ntk::TimeCount tc_gl_current("make_current", 2);
m_pbuffer->makeCurrent();
tc_gl_current.stop();
ntk::TimeCount tc_gl_render("gl_render", 2);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
if (flags & WIREFRAME)
glPolygonMode( GL_FRONT_AND_BACK, GL_LINE );
VertexBufferObject& vbo = m_vertex_buffer_object;
glBindBufferARB(GL_ARRAY_BUFFER_ARB, vbo.vertex_id);
if (vbo.has_texcoords)
{
glEnable(GL_TEXTURE_2D);
glBindTexture(GL_TEXTURE_2D, vbo.texture_id);
}
else
{
glDisable(GL_TEXTURE_2D);
}
if (vbo.has_texcoords)
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if (vbo.has_color)
glEnableClientState(GL_COLOR_ARRAY);
else
glColor3f(1.0f,0.f,0.f);
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, 0);
if (vbo.has_color)
glColorPointer(3, GL_UNSIGNED_BYTE, 0, ((char*) NULL) + vbo.color_offset);
if (vbo.has_texcoords)
glTexCoordPointer(2, GL_FLOAT, 0, ((char*) NULL) + vbo.texture_offset);
if (vbo.has_faces)
{
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, vbo.faces_id);
glNormal3f(0, 0, 1);
glDrawElements(GL_TRIANGLES, vbo.nb_faces*3, GL_UNSIGNED_INT, 0);
}
else
{
glDrawArrays(GL_POINTS,
0,
vbo.nb_vertices);
}
glDisableClientState(GL_VERTEX_ARRAY);
if (vbo.has_color)
glDisableClientState(GL_COLOR_ARRAY);
if (vbo.has_texcoords)
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
// bind with 0, so, switch back to normal pointer operation
glBindBufferARB(GL_ARRAY_BUFFER_ARB, 0);
if (vbo.has_faces)
{
glBindBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0);
}
glFinish();
tc_gl_render.stop();
ntk::TimeCount tc_image("to_image", 2);
QImage qimage = m_pbuffer->toImage();
tc_image.stop();
ntk::TimeCount tc_depth_buffer("compute_depth_buffer", 2);
computeDepthBuffer();
tc_depth_buffer.stop();
ntk::TimeCount tc_convert("convert_to_cv", 2);
for (int r = 0; r < qimage.height(); ++r)
for (int c = 0; c < qimage.width(); ++c)
{
QRgb pixel = qimage.pixel(c,r);
Vec4b color (qBlue(pixel), qGreen(pixel), qRed(pixel), qAlpha(pixel));
m_color_buffer(r,c) = color;
float a = qAlpha(pixel)/255.f;
if (a > 0)
{
Vec4b old_color = image(r,c);
image(r,c) = Vec4b(old_color[0]*(1-a) + color[0]*a,
old_color[1]*(1-a) + color[1]*a,
old_color[2]*(1-a) + color[2]*a,
255);
}
}
tc_convert.stop();
}
void drawGLScene(AndroidContext *rc)
{
#ifdef DROID_EXTREME_LOGS
LOG( ANDROID_LOG_VERBOSE, TAG, "drawGLScene : start");
#endif /* DROID_EXTREME_LOGS */
GLfloat vertices[4][3];
GLfloat texcoord[4][2];
// int i, j;
float rgba[4];
#ifdef GLES_FRAMEBUFFER_TEST
glBindFramebufferOES(GL_FRAMEBUFFER_OES, 0);
#endif
// Reset states
rgba[0] = rgba[1] = rgba[2] = 0.f;
rgba[0] = 1.f;
glColor4f(1.f, 1.f, 1.f, 1.f);
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, rgba);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, rgba);
glMaterialfv(GL_FRONT_AND_BACK, GL_EMISSION, rgba);
glDisable(GL_CULL_FACE | GL_NORMALIZE | GL_LIGHTING | GL_BLEND | GL_FOG | GL_COLOR_MATERIAL | GL_TEXTURE_2D);
/* Clear The Screen And The Depth Buffer */
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//glEnable(GL_BLEND);
//glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_TEXTURE_2D);
glBindTexture( GL_TEXTURE_2D, rc->texID);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexEnvx(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
// for ( i = 0; i < rc->height/2; i++ )
// for ( j = 0; j < rc->width; j++ )
// rc->texData[ i*rc->width*NBPP + j*NBPP + 3] = 200;
// memset(rc->texData, 255, 4 * rc->width * rc->height );
#ifndef GLES_FRAMEBUFFER_TEST
glTexImage2D( GL_TEXTURE_2D, 0, GL_RGBA, rc->tex_width, rc->tex_height, 0,
GL_RGBA, GL_UNSIGNED_BYTE, rc->texData );
#endif
if ( rc->draw_texture )
{
int cropRect[4] = {0,rc->height,rc->width,-rc->height};
glTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_CROP_RECT_OES, cropRect);
glDrawTexsOES(0, 0, 0, rc->width, rc->height);
}
else
{
/* Enable VERTEX array */
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
/* Setup pointer to VERTEX array */
glVertexPointer(3, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, texcoord);
/* Move Left 1.5 Units And Into The Screen 6.0 */
glLoadIdentity();
//glTranslatef(0.0f, 0.0f, -3.3f);
//glTranslatef(0.0f, 0.0f, -2.3f);
/* Top Right Of The Quad */
vertices[0][0]=rc->tex_width; vertices[0][1]=rc->tex_height; vertices[0][2]=0.0f;
texcoord[0][0]=1.f; texcoord[0][1]=0.f;
/* Top Left Of The Quad */
vertices[1][0]=0.f; vertices[1][1]=rc->tex_height; vertices[1][2]=0.0f;
texcoord[1][0]=0.f; texcoord[1][1]=0.f;
/* Bottom Left Of The Quad */
vertices[2][0]=rc->tex_width; vertices[2][1]=0.f; vertices[2][2]=0.0f;
texcoord[2][0]=1.f; texcoord[2][1]=1.f;
/* Bottom Right Of The Quad */
vertices[3][0]=0.f; vertices[3][1]=0.f; vertices[3][2]=0.0f;
texcoord[3][0]=0.f; texcoord[3][1]=1.f;
/* Drawing using triangle strips, draw triangles using 4 vertices */
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
/* Disable vertex array */
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
glDisable(GL_TEXTURE_2D);
/* Flush all drawings */
glFinish();
#ifdef GLES_FRAMEBUFFER_TEST
glBindFramebufferOES(GL_FRAMEBUFFER_OES, rc->framebuff);
#endif
#ifdef DROID_EXTREME_LOGS
LOG( ANDROID_LOG_VERBOSE, TAG, "drawGLScene : end");
#endif /* DROID_EXTREME_LOGS */
}
int
main(int argc, char *argv[])
{
SDL_Window *window; /* main window */
Uint32 startFrame; /* time frame began to process */
Uint32 endFrame; /* time frame ended processing */
Uint32 delay; /* time to pause waiting to draw next frame */
int done; /* should we clean up and exit? */
/* initialize SDL */
if (SDL_Init(SDL_INIT_VIDEO) < 0) {
fatalError("Could not initialize SDL");
}
/* seed the random number generator */
srand(time(NULL));
/*
request some OpenGL parameters
that may speed drawing
*/
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 6);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 5);
SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, 0);
SDL_GL_SetAttribute(SDL_GL_RETAINED_BACKING, 0);
SDL_GL_SetAttribute(SDL_GL_ACCELERATED_VISUAL, 1);
/* create main window and renderer */
window = SDL_CreateWindow(NULL, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT,
SDL_WINDOW_OPENGL | SDL_WINDOW_SHOWN |
SDL_WINDOW_BORDERLESS);
SDL_CreateRenderer(window, 0, 0);
/* load the particle texture */
initializeTexture();
/* check if GL_POINT_SIZE_ARRAY_OES is supported
this is used to give each particle its own size
*/
pointSizeExtensionSupported =
SDL_GL_ExtensionSupported("GL_OES_point_size_array");
/* set up some OpenGL state */
glEnable(GL_TEXTURE_2D);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnable(GL_POINT_SPRITE_OES);
glTexEnvi(GL_POINT_SPRITE_OES, GL_COORD_REPLACE_OES, 1);
if (pointSizeExtensionSupported) {
/* we use this to set the sizes of all the particles */
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
} else {
/* if extension not available then all particles have size 10 */
glPointSize(10);
}
done = 0;
/* enter main loop */
while (!done) {
startFrame = SDL_GetTicks();
SDL_Event event;
while (SDL_PollEvent(&event)) {
if (event.type == SDL_QUIT) {
done = 1;
}
if (event.type == SDL_MOUSEBUTTONDOWN) {
int x, y;
SDL_GetMouseState(&x, &y);
spawnEmitterParticle(x, y);
}
}
stepParticles();
drawParticles();
endFrame = SDL_GetTicks();
/* figure out how much time we have left, and then sleep */
delay = MILLESECONDS_PER_FRAME - (endFrame - startFrame);
if (delay > MILLESECONDS_PER_FRAME) {
delay = MILLESECONDS_PER_FRAME;
}
if (delay > 0) {
SDL_Delay(delay);
}
}
/* delete textures */
glDeleteTextures(1, &particleTextureID);
/* shutdown SDL */
SDL_Quit();
return 0;
}
bool ShellRenderInterfaceOpenGL::AttachToNative(void *nativeWindow)
{
this->render_context = NULL;
this->window_handle = (HWND)nativeWindow;
this->device_context = GetDC(this->window_handle);
if (this->device_context == NULL)
{
Shell::DisplayError("Could not get device context.");
return false;
}
PIXELFORMATDESCRIPTOR pixel_format_descriptor;
memset(&pixel_format_descriptor, 0, sizeof(pixel_format_descriptor));
pixel_format_descriptor.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pixel_format_descriptor.nVersion = 1;
pixel_format_descriptor.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pixel_format_descriptor.iPixelType = PFD_TYPE_RGBA;
pixel_format_descriptor.cColorBits = 32;
pixel_format_descriptor.cRedBits = 8;
pixel_format_descriptor.cGreenBits = 8;
pixel_format_descriptor.cBlueBits = 8;
pixel_format_descriptor.cAlphaBits = 8;
pixel_format_descriptor.cDepthBits = 24;
pixel_format_descriptor.cStencilBits = 8;
int pixel_format = ChoosePixelFormat(this->device_context, &pixel_format_descriptor);
if (pixel_format == 0)
{
Shell::DisplayError("Could not choose 32-bit pixel format.");
return false;
}
if (SetPixelFormat(this->device_context, pixel_format, &pixel_format_descriptor) == FALSE)
{
Shell::DisplayError("Could not set pixel format.");
return false;
}
this->render_context = wglCreateContext(this->device_context);
if (this->render_context == NULL)
{
Shell::DisplayError("Could not create OpenGL rendering context.");
return false;
}
// Activate the rendering context.
if (wglMakeCurrent(this->device_context, this->render_context) == FALSE)
{
Shell::DisplayError("Unable to make rendering context current.");
return false;
}
// Set up the GL state.
glClearColor(0, 0, 0, 1);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 1024, 768, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
return true;
}
void GLBackend::do_glEnableClientState(Batch& batch, uint32 paramOffset) {
glEnableClientState(batch._params[paramOffset]._uint);
(void) CHECK_GL_ERROR();
}
//--------------------------------------------------------------
void ofVbo::bind() const{
bool programmable = ofIsGLProgrammableRenderer();
if(programmable && (vaoSupported || !vaoChecked)){
if(vaoID==0){
#ifdef TARGET_OPENGLES
if(glGenVertexArrays==0 && !vaoChecked){
glGenVertexArrays = (glGenVertexArraysType)dlsym(RTLD_DEFAULT, "glGenVertexArrays");
glDeleteVertexArrays = (glDeleteVertexArraysType)dlsym(RTLD_DEFAULT, "glDeleteVertexArrays");
glBindVertexArray = (glBindVertexArrayType)dlsym(RTLD_DEFAULT, "glBindVertexArray");
vaoChecked = true;
vaoSupported = glGenVertexArrays;
}
#else
vaoChecked = true;
vaoSupported = true;
#endif
if(vaoSupported) glGenVertexArrays(1, &const_cast<ofVbo*>(this)->vaoID);
if(vaoID!=0){
retainVAO(vaoID);
vaoChanged = true;
}
}
if(vaoSupported) glBindVertexArray(vaoID);
}else{
vaoSupported = false;
}
if(vaoChanged || !vaoSupported){
if(bUsingVerts){
if(!programmable){
positionAttribute.bind();
#ifndef TARGET_PROGRAMMABLE_GL
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(positionAttribute.numCoords, GL_FLOAT,
positionAttribute.stride,
(void*)positionAttribute.offset);
#endif
}else{
positionAttribute.enable();
}
}else if(programmable){
positionAttribute.disable();
}
if(bUsingColors) {
if(!programmable){
colorAttribute.bind();
#ifndef TARGET_PROGRAMMABLE_GL
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(colorAttribute.numCoords, GL_FLOAT,
colorAttribute.stride,
(void*)colorAttribute.offset);
#endif
}else{
colorAttribute.enable();
}
}else if(programmable){
colorAttribute.disable();
}
if(bUsingNormals) {
if(!programmable){
normalAttribute.bind();
#ifndef TARGET_PROGRAMMABLE_GL
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(GL_FLOAT, normalAttribute.stride,
(void*)normalAttribute.offset);
#endif
}else{
normalAttribute.enable();
}
}else if(programmable){
normalAttribute.disable();
}
if(bUsingTexCoords) {
if(!programmable){
texCoordAttribute.bind();
#ifndef TARGET_PROGRAMMABLE_GL
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(texCoordAttribute.numCoords,
GL_FLOAT, texCoordAttribute.stride,
(void*)texCoordAttribute.offset);
#endif
}else{
texCoordAttribute.enable();
}
}else if(programmable){
texCoordAttribute.disable();
}
if (bUsingIndices) {
indexAttribute.bind();
}
map<int,VertexAttribute>::const_iterator it;
for(it = customAttributes.begin();it!=customAttributes.end();it++){
it->second.enable();
}
vaoChanged=false;
}
}
/**
* main render function
*/
void render() {
counter++;
if(counter >= 36000){
counter = 0;
}
//Typical render pass
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// update dimensions
enable_2d();
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glPushMatrix();
// if in portrait mode
if (oriention_side_up > 0)
{
glVertexPointer(2, GL_FLOAT, 0, verticesH);
glTexCoordPointer(2, GL_FLOAT, 0, tex_coordH);
}
// if in landscape mode
else
{
glVertexPointer(2, GL_FLOAT, 0, vertices);
glTexCoordPointer(2, GL_FLOAT, 0, tex_coord);
}
//portrait or landscape?
glBindTexture(GL_TEXTURE_2D, oriention_side_up>0?backgroundH:background);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glPopMatrix();
pp = points.begin();
while (pp != points.end()) {
if (pp->visible) {
// draw touchpoint
glPushMatrix();
glTranslatef(pp->getX(), (oriention_side_up>0?1024:600) - pp->getY(), 0);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glVertexPointer(2, GL_FLOAT, 0, verticesTouchpoint);
glTexCoordPointer(2, GL_FLOAT, 0, tex_coord_touchpoint);
glBindTexture(GL_TEXTURE_2D, touchpoint);
glPushMatrix();
glRotatef((float) ((float)(pp->startRotation) + (float) counter / 0.25f), 0, 0, 1);
glPushMatrix();
glTranslatef(-60, -60, 0);
glColor4f(pp->r,pp->g,pp->b,1);
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
glPopMatrix();
glPopMatrix();
glPopMatrix();
// draw touchpoint number
glPushMatrix();
glColor4f(0.3f,0.3f,0.3f,1.0f);
char buffer [33];
itoa (pp->id+1,buffer,10);
glTranslatef(pp->getX()+50,(oriention_side_up>0?1024:600)-pp->getY()+50,0);
glPushMatrix();
bbutil_render_text(font,buffer,0,0);
glPopMatrix();
glPopMatrix();
}
pp++;
}
glColor4f(1.0f,1.0f,1.0f,1.0f);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
//Use utility code to update the screen
bbutil_swap();
}
static void renderFrame()
{
glClearColor(0 / 255.0f, 0x2b / 255.0f, 0x36 / 255.0f, 1.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// ---- UI
imguiBeginFrame(mouseX, height - 1 - mouseY, mouseButtons, 0);
static const int paramSize = 120;
static int paramScroll = 0;
imguiBeginScrollArea("Params", 0, height - paramSize, width, paramSize, ¶mScroll);
static float depth = 8.0f;
imguiSlider("Depth", &depth, 0.0f, 12.0f, 1.0f);
static float draw_ratio = 1.0f;
imguiSlider("Draw ratio", &draw_ratio, 0.0f, 1.0f, 0.001f);
static bool showWire = false;
showWire ^= imguiCheck("Wireframe", showWire);
static bool showPoints = false;
showPoints ^= imguiCheck("Points", showPoints);
static bool showPath = true;
showPath ^= imguiCheck("Path", showPath);
static bool showPathPoints = true;
showPathPoints ^= imguiCheck("Path points", showPathPoints);
imguiEndScrollArea();
imguiEndFrame();
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glEnable(GL_LINE_SMOOTH);
glLineWidth(1.2f);
// prepare to render octahedron
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0f, 1.333f, 0.01f, 10.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt(0.5f, 0.5f, 2.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f, 0.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
// model rot
unsigned int loop_len = 30 * 1000;
float phase = 1.0f * (timeGetTime() % loop_len) / loop_len;
glRotatef(phase * 360.0f, 0.0f, 1.0f, 0.0f);
// gen mesh
Mesh octa;
genSubdOctahedron(octa, (int) depth);
spherize(octa.verts);
// draw mesh as wireframe
glEnable(GL_CULL_FACE);
if (showWire) {
glColor4ub(0xfd, 0xf6, 0xe3, 255);
glPolygonMode(GL_FRONT_AND_BACK, GL_LINE);
octa.draw();
}
// draw vertices
if (showPoints) {
glPolygonMode(GL_FRONT_AND_BACK, GL_POINT);
glEnable(GL_POINT_SMOOTH);
glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
for (int pass=0; pass < 2; ++pass) {
if (!pass) {
glColor3ub(0x00, 0x2b, 0x36);
glPointSize(4.0f);
} else {
glColor3ub(0xcb, 0x4b, 0x16);
glPointSize(2.0f);
}
octa.draw();
}
glColor4ub(255, 0, 0, 255);
glPointSize(2.0f);
octa.draw();
glDisable(GL_POINT_SMOOTH);
}
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
// draw path
if (showPath || showPathPoints) {
std::vector<Vec3f> verts;
sphereTraverseOcta(verts, (int) depth);
//triTraverse(verts, Vec3f(1.0f, -1.0f, 0.0f), Vec3f(-1.0f, 1.0f, 0.0f), Vec3f(-1.0f, -1.0f, 0.0f), (int) depth, false);
//triTraverse(verts, Vec3f(-1.0f, 1.0f, 0.0f), Vec3f(1.0f, -1.0f, 0.0f), Vec3f( 1.0f, 1.0f, 0.0f), (int) depth, false);
glEnable(GL_POINT_SMOOTH);
glHint(GL_POINT_SMOOTH_HINT, GL_NICEST);
static const float bgcol[4] = { 0.0f, 0x2b / 255.0f, 0x36 / 255.0f, 1.0f };
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, &verts[0]);
glEnable(GL_FOG);
glFogi(GL_FOG_MODE, GL_EXP2);
glFogfv(GL_FOG_COLOR, bgcol);
glFogf(GL_FOG_DENSITY, 0.4f);
if (showPath) {
glLineWidth(1.8f);
glColor3ub(255, 127, 0);
glDrawArrays(GL_LINE_STRIP, 0, (GLsizei) (draw_ratio * verts.size()));
}
if (showPathPoints) {
glPointSize(4.0f);
glColor3ub(255, 0, 0);
glDrawArrays(GL_POINTS, 0, (GLsizei) (draw_ratio * verts.size()));
}
glDisableClientState(GL_VERTEX_ARRAY);
glDisable(GL_FOG);
glDisable(GL_POINT_SMOOTH);
}
// back to GUI
glDisable(GL_DEPTH_TEST);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrtho(0, width, 0, height, -1.0f, 1.0f);
imguiRenderGLDraw();
glDisable(GL_BLEND);
SwapBuffers(hDC);
}
// --------------------------------------------------------------------------------------------------------------------
void UntexturedObjectsGLBindlessIndirect::Render(const std::vector<Matrix>& _transforms)
{
const auto xformCount = _transforms.size();
const auto objCount = m_commands.size();
assert(xformCount == objCount);
// Program
Vec3 dir = { -0.5f, -1, 1 };
Vec3 at = { 0, 0, 0 };
Vec3 up = { 0, 0, 1 };
dir = normalize(dir);
Vec3 eye = at - 250 * dir;
Matrix view = matrix_look_at(eye, at, up);
Matrix view_proj = mProj * view;
glUseProgram(m_prog);
glUniformMatrix4fv(0, 1, GL_TRUE, &view_proj.x.x);
// Input Layout
glEnableClientState(GL_ELEMENT_ARRAY_UNIFIED_NV);
glEnableClientState(GL_VERTEX_ATTRIB_ARRAY_UNIFIED_NV);
glEnableVertexAttribArray(0);
glEnableVertexAttribArray(1);
glVertexAttribFormatNV(0, 3, GL_FLOAT, GL_FALSE, sizeof(UntexturedObjectsProblem::Vertex));
glVertexAttribFormatNV(1, 3, GL_FLOAT, GL_FALSE, sizeof(UntexturedObjectsProblem::Vertex));
// Rasterizer State
glEnable(GL_CULL_FACE);
glCullFace(GL_FRONT);
glDisable(GL_SCISSOR_TEST);
// Blend State
glDisable(GL_BLEND);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
// Depth Stencil State
glEnable(GL_DEPTH_TEST);
glDepthMask(GL_TRUE);
size_t i = 0;
for (auto it = m_commands.begin(); it != m_commands.end(); ++it) {
Command *cmd = &*it;
cmd->Draw.count = mIndexCount;
cmd->Draw.instanceCount = 1;
cmd->Draw.firstIndex = 0;
cmd->Draw.baseVertex = 0;
cmd->Draw.baseInstance = 0;
cmd->reserved = 0;
cmd->indexBuffer.index = 0;
cmd->indexBuffer.reserved = 0;
cmd->indexBuffer.address = m_ib_addrs[i];
cmd->indexBuffer.length = m_ib_sizes[i];
cmd->vertexBuffers[0].index = 0;
cmd->vertexBuffers[0].reserved = 0;
cmd->vertexBuffers[0].address = m_vbo_addrs[i] + offsetof(UntexturedObjectsProblem::Vertex, pos);
cmd->vertexBuffers[0].length = m_vbo_sizes[i] - offsetof(UntexturedObjectsProblem::Vertex, pos);
cmd->vertexBuffers[1].index = 1;
cmd->vertexBuffers[1].reserved = 0;
cmd->vertexBuffers[1].address = m_vbo_addrs[i] + offsetof(UntexturedObjectsProblem::Vertex, color);
cmd->vertexBuffers[1].length = m_vbo_sizes[i] - offsetof(UntexturedObjectsProblem::Vertex, color);
++i;
}
memcpy(m_transform_ptr, &*_transforms.begin(), sizeof(Matrix) * xformCount);
memcpy(m_cmd_ptr, &*m_commands.begin(), sizeof(Command) * objCount);
glMemoryBarrier(GL_CLIENT_MAPPED_BUFFER_BARRIER_BIT);
// resolveQueries();
// glBeginQuery(GL_TIME_ELAPSED, m_queries[m_currentQueryIssue]);
glMultiDrawElementsIndirectBindlessNV(GL_TRIANGLES, GL_UNSIGNED_SHORT, nullptr, objCount, 0, 2);
// glEndQuery(GL_TIME_ELAPSED);
// m_currentQueryIssue = (m_currentQueryIssue + 1) % kQueryCount;
}
JNIEXPORT void JNICALL
Java_name_nailgun_irrlichtvuforia_Renderer_renderFrame(JNIEnv *, jobject)
{
QCAR::State state = QCAR::Renderer::getInstance().begin();
QCAR::Renderer::getInstance().drawVideoBackground();
#ifndef DONT_SAVE_STATE
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_2D);
glDisable(GL_LIGHTING);
glEnable(GL_DEPTH_TEST);
//glEnable(GL_CULL_FACE);
#endif
// Did we find any trackables this frame?
for(int tIdx = 0; tIdx < state.getNumActiveTrackables(); tIdx++)
{
// Get the trackable:
const QCAR::Trackable* trackable = state.getActiveTrackable(tIdx);
QCAR::Matrix44F modelViewMatrix =
QCAR::Tool::convertPose2GLMatrix(trackable->getPose());
// Choose the texture based on the target name:
int textureIndex;
if (strcmp(trackable->getName(), "chips") == 0)
{
textureIndex = 0;
}
else if (strcmp(trackable->getName(), "stones") == 0)
{
textureIndex = 1;
}
else
{
textureIndex = 2;
}
if (!mDevice->run()) {
// TODO: error
}
irr::core::matrix4& cameraMatrix = mTransformationNode->getRelativeTransformationMatrix();
cameraMatrix.setM(modelViewMatrix.data);
mDriver->beginScene(false, true);
mSceneManager->drawAll();
mDriver->endScene();
}
#ifndef DONT_SAVE_STATE
glDisable(GL_DEPTH_TEST);
glDisable(GL_TEXTURE_2D);
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
#endif
QCAR::Renderer::getInstance().end();
}
bool ModelManagerDisplay(ModelManager* manager, Model* model, bool line) {
#else
bool ModelManagerDisplay(ModelManager* manager, Model* model) {
#endif
if(model->isVisible)
{
if(model->ani) {
if(model->ani->aniIsPlay) {
if(model->ani->aniCurFrame < model->ani->aniTotalFrame - 1) {
model->ani->aniCurFrame++;
model->ani->aniIsUpdateFrame = true;
} else {
if(model->ani->aniIsLoop) {
model->ani->aniCurFrame = 0;
model->ani->aniIsUpdateFrame = true;
}
}
}
if(model->ani->aniIsUpdateFrame) {
//모든 에니메이션 모델 삭제
int i;
for(i = 0; i < model->child->length; i++) {
Model* child = ArrayObjectAtIndex(model->child, i);
if(child->ani) {
if(child->ani->instanceID) {
ModelRemoveAt(model, i);
i--;
}
}
}
//현제 프레임의 하위모델 셋팅후 매트릭스,칼라 셋팅
if(model->ani->aniChildLength) {
for(i = 0; i < model->ani->aniChildLength[model->ani->aniCurFrame]; i++) {
ModelAddAt(model, model->ani->aniChild[model->ani->aniCurFrame][i], 0);
ModelSetMatrix(model->ani->aniChild[model->ani->aniCurFrame][i], model->ani->aniMat[model->ani->aniCurFrame][i]);
ModelSetColor(model->ani->aniChild[model->ani->aniCurFrame][i], model->ani->aniColor[model->ani->aniCurFrame][i]);
}
}
model->ani->aniIsUpdateFrame = false;
}
}
glPushMatrix();
ModelUpdateMatrix(model);
glMultMatrixf((float*)model->matrix);
//glGetFloatv(GL_MODELVIEW_MATRIX, (float*)model->matrixGlobal);
//model->globalPosition = Matrix3DMultiplyVector3D(*model->matrixGlobal, Vector3DInit(0.0, 0.0, 0.0));
model->isRender = true;
/*
if(model->vertex) {
Vector3D scale = Matrix3DGetScale(*model->matrixGlobal);
Vector3D vec = Vector3DInit(model->maxLengthVertex.x * scale.x,
model->maxLengthVertex.y * scale.y,
model->maxLengthVertex.z * scale.z);
model->globalRadius = Vector3DLength(vec);
for(int i = 0; i < 6; i++ ) {
if( manager->g_frustumPlanes[i][0] * model->globalPosition.x +
manager->g_frustumPlanes[i][1] * model->globalPosition.y +
manager->g_frustumPlanes[i][2] * model->globalPosition.z +
manager->g_frustumPlanes[i][3] <= -model->globalRadius ) {
model->isRender = false;
}
}
}
*/
//if(model->isRender) {
#ifdef ___MACSIMULATOR___
if(model->mask) {
ModelManagerDisplay(manager, model->mask, line);
}
#else
if(model->mask) {
ModelManagerDisplay(manager, model->mask);
}
#endif
//if(model->renderEvent.event) {
// model->renderEvent.event(model->renderEvent.userReference, model->renderEvent.argument);
//}
/*
if(model->touchEvent.event) {
tt++;
for(int i = 0; i < manager->touchArguments->length; i++) {
ModelEventTouchArgument* touchArgumentCurrent = manager->touchArguments->data[i];
bool hit = ModelGetIsVertexHitLineDirection(model,
touchArgumentCurrent->origin, touchArgumentCurrent->direction,
model->touchVector, model->touchVectorGlobal);
model->touchEvent.argument.hitVector = model->touchVector;
model->touchEvent.argument.hitVectorGlobal = model->touchVectorGlobal;
model->touchEvent.argument.isHit = hit;
model->touchEvent.argument.model = model;
model->touchEvent.argument.touchID = touchArgumentCurrent->touchID;
model->touchEvent.argument.touchTabCount = touchArgumentCurrent->touchTabCount;
model->touchEvent.argument.touchType = touchArgumentCurrent->touchType;
model->touchEvent.event(model->touchEvent.userReference, model->touchEvent.argument);
touchArgumentCurrent->isChecked = true;
}
}
*/
Model* _parent = ModelGetParent(model);
for(int i = 0; i < model->mixColorLength; i++) {
if(_parent) {
model->mixColor[i].r = (unsigned char)(((float)_parent->mixColor[0].r / (float)0xFF) * (float)model->color[i].r);
model->mixColor[i].g = (unsigned char)(((float)_parent->mixColor[0].g / (float)0xFF) * (float)model->color[i].g);
model->mixColor[i].b = (unsigned char)(((float)_parent->mixColor[0].b / (float)0xFF) * (float)model->color[i].b);
model->mixColor[i].a = (unsigned char)(((float)_parent->mixColor[0].a / (float)0xFF) * (float)model->color[i].a);
} else {
model->mixColor[i] = model->color[0];
}
}
if(model->vertex)
{
//if(manager->lastBindVertex != model->vertex) {
glVertexPointer(3, GL_FLOAT, 0, model->vertex);
// manager->lastBindVertex = model->vertex;
//}
if(model->texcoord) {
glEnable(GL_TEXTURE_2D);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if(manager->lastBindTexcoord != model->texcoord) {
glTexCoordPointer(2, GL_FLOAT, 0, model->texcoord);
manager->lastBindTexcoord = model->texcoord;
}
if(manager->lastBindTexture != model->textureID) {
glBindTexture(GL_TEXTURE_2D, model->textureID);
manager->lastBindTexture = model->textureID;
}
if(model->blendMode == ModelBlendModeNormal) {
// glDepthFunc(GL_LESS);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
} else if(model->blendMode == ModelBlendModeAdd) {
// glDepthFunc(GL_LESS);
glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
// glBlendFunc(GL_SRC_ALPHA, GL_ONE);
} else if(model->blendMode == ModelBlendModeNoAlpha) {
// glDepthFunc(GL_LESS);
glBlendFunc(GL_ONE, GL_ZERO);
} else if(model->blendMode == ModelBlendModeSubatract) {
glBlendFunc(GL_SRC_ALPHA, GL_ONE);
} else if(model->blendMode == ModelBlendModeDot) {
glBlendFunc(GL_ZERO, GL_SRC_COLOR);
} else if(model->blendMode == ModelBlendModePower) {
glBlendFunc(GL_ZERO, GL_DST_COLOR);
} else if(model->blendMode == ModelBlendModeInverse) {
glBlendFunc(GL_ONE_MINUS_DST_COLOR, GL_ZERO);
}
} else {
glDisable(GL_TEXTURE_2D);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
}
/*
if(model->isMask) {
glColorMask(0, 0, 0, 0);
//if(model->maskDepth == 0) {
//glDisable(GL_DEPTH_TEST);
glEnable(GL_STENCIL_TEST);
glClear(GL_STENCIL_BUFFER_BIT);
//}
glStencilFunc(GL_ALWAYS, model->maskDepth, model->maskDepth);
glStencilOp(GL_INCR, GL_INCR, GL_INCR);
} else if(model->hasMask) {
glColorMask(1, 1, 1, 1);
glStencilFunc(GL_LEQUAL, model->maskDepth, model->maskDepth);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
} else {
glColorMask(1, 1, 1, 1);
glDisable(GL_STENCIL_TEST);
//if(model->isDepthTest) {
//glEnable(GL_DEPTH_TEST);
//} else {
// glDisable(GL_DEPTH_TEST);
//}
}
*/
/*
if(model->isLighting) {
glEnable(GL_LIGHTING);
} else {
glDisable(GL_LIGHTING);
}
*/
//if(model->colorMode == ModelColorModeNone) {
// glDisable(GL_COLOR_MATERIAL);
// glDisableClientState(GL_COLOR_ARRAY);
//} else if(model->colorMode == ModelColorModeOneColor) {
//glEnable(GL_COLOR_MATERIAL);
//glDisableClientState(GL_COLOR_ARRAY);
glColor4ub(model->mixColor->r, model->mixColor->g, model->mixColor->b, model->mixColor->a);
//} else if(model->colorMode == ModelColorModeVertexColor) {
// glEnable(GL_COLOR_MATERIAL);
// glEnableClientState(GL_COLOR_ARRAY);
// glColorPointer(4, GL_UNSIGNED_BYTE, 0, model->mixColor);
//}
manager->drawModelCount++;
//if(model->polygon) {
// glDrawElements(GL_TRIANGLES, model->polygonLength, GL_UNSIGNED_SHORT, model->polygon);
//} else {
if(model->isTriangleFanMode) {
#ifdef ___MACSIMULATOR___
if(line){
glDisable(GL_TEXTURE_2D);
glLineWidth(1.0f);
glColor4ub(lineR, lineG, lineB, 0xFF);
glDrawArrays(GL_LINE_STRIP, 1, model->vertexLength - 2);
}else
#endif
glDrawArrays(GL_TRIANGLE_FAN, 0, model->vertexLength);
}else{
#ifdef ___MACSIMULATOR___
if(line)
{
glDisable(GL_TEXTURE_2D);
glLineWidth(1.0);
glColor4ub(lineR, lineG, lineB, 0xFF);
glDrawArrays(GL_LINE_STRIP, 0, model->vertexLength);
Vector3D vec[4];
vec[0] = model->vertex[1];
vec[1] = model->vertex[3];
vec[2] = model->vertex[0];
vec[3] = model->vertex[2];
glVertexPointer(3, GL_FLOAT, 0, vec);
glDrawArrays(GL_LINES, 0, 4);
}
else
#endif
glDrawArrays(GL_TRIANGLE_STRIP, 0, model->vertexLength);
}
//}
}
//}
#ifdef ___MACSIMULATOR___
for(int i = 0; i < model->child->length; i++)
ModelManagerDisplay(manager, model->child->data[i], line);
#else
for(int i = 0; i < model->child->length; i++)
ModelManagerDisplay(manager, model->child->data[i]);
#endif
glPopMatrix();
}
return true;
}
bool ModelManagerDisplayEnd(ModelManager* manager) {
//printf("a %i\n", manager->touchArguments->length);
while(manager->touchArguments->length) {
ModelEventTouchArgument* touchArgument = ArrayObjectAtIndex(manager->touchArguments, 0);
ArrayPopObjectAtIndex(manager->touchArguments, 0);
free(touchArgument);
}
return true;
}
#pragma mark -
#pragma mark ModelManager 관리자 드바이스 이벤트 받는 함수
bool ModelManagerTouch(ModelManager* manager,
Vector2D touch,
void* touchID,
TouchType touchType,
unsigned char tabCount) {
ModelEventTouchArgument* touchArgument = (ModelEventTouchArgument*)calloc(1, sizeof(ModelEventTouchArgument));
touchArgument->touchVector = touch;
touchArgument->touchID = touchID;
touchArgument->touchType = touchType;
touchArgument->touchTabCount = tabCount;
ArrayPushObject(manager->touchArguments, touchArgument);
return true;
}
/**
* Clear the screen, then render the mesh using the given camera.
* @param camera The logical camera to use.
* @see math/camera.hpp
*/
void OpenglProject::render(const Camera* camera)
{
// TODO render code
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
//Quaternion to calcuate the angle and axis for rotation
Quaternion rotation = scene.mesh_position.orientation;
Quaternion rotationHeight = scene.heightmap_position.orientation;
//Container mesh rotation conversion
Vector3 rot_axis;
double angle;
rotation.to_axis_angle(&rot_axis, &angle);
angle = angle *(180 / PI);
//Heightmap mesh rotation conversion
Vector3 rot_axisHeight;
double angleHeight;
rotationHeight.to_axis_angle(&rot_axisHeight, &angleHeight);
angleHeight = angleHeight * (180 / PI);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
//Camera set up
gluLookAt(camera->position.x, camera->position.y, camera->position.z,
camera->position.x + camera->get_direction().x,
camera->position.y + camera->get_direction().y,
camera->position.z + camera->get_direction().z,
camera->get_up().x, camera->get_up().y, camera->get_up().z);
//Transformation for the heightmap mesh data
glPushMatrix();
GLfloat waterColor[] = { 0.0, 0.65, 1.0, 1.0 };
GLfloat mat_specular[] = { 0.0, 0.65, 1.0, 1.0 };
GLfloat low_shininess[] = { 6.0 };
glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE, waterColor);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, low_shininess);
glTranslated(
scene.heightmap_position.position.x,
scene.heightmap_position.position.y,
scene.heightmap_position.position.z);
glRotated( angleHeight,
rot_axisHeight.x, rot_axisHeight.y, rot_axisHeight.z);
glScaled(scene.heightmap_position.scale.x,
scene.heightmap_position.scale.y,
scene.heightmap_position.scale.z);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glColor3f(0.0, 1.0, 1.0);
glVertexPointer(3, GL_DOUBLE, 0, masterHeightMap);
glNormalPointer(GL_DOUBLE, 0, masterHeightNorm);
glDrawElements(GL_TRIANGLES, 6 * (NUMVERTS - 1)*(NUMVERTS - 1),
GL_UNSIGNED_INT, masterHIndex);
glPopMatrix();
//Transformation for the triangle mesh data
glTranslated(scene.mesh_position.position.x,
scene.mesh_position.position.y,
scene.mesh_position.position.z);
glRotated(angle, rot_axis.x, rot_axis.y, rot_axis.z);
glScaled(scene.mesh_position.scale.x,
scene.mesh_position.scale.y,
scene.mesh_position.scale.z);
display_callback();
glFlush();
}
void
OpenGL::SetupContext()
{
#if defined(HAVE_DYNAMIC_EGL)
egl = EGLInit();
#endif
texture_non_power_of_two = SupportsNonPowerOfTwoTextures();
#ifdef HAVE_OES_DRAW_TEXTURE
oes_draw_texture = CheckOESDrawTexture();
#endif
#ifdef ANDROID
native_view->SetTexturePowerOfTwo(texture_non_power_of_two);
vertex_buffer_object = EnableVBO();
#endif
#ifdef HAVE_OES_MAPBUFFER
mapbuffer = IsExtensionSupported("GL_OES_mapbuffer");
#endif
#ifdef HAVE_DYNAMIC_MAPBUFFER
if (mapbuffer) {
GLExt::map_buffer = (PFNGLMAPBUFFEROESPROC)
eglGetProcAddress("glMapBufferOES");
GLExt::unmap_buffer = (PFNGLUNMAPBUFFEROESPROC)
eglGetProcAddress("glUnmapBufferOES");
if (GLExt::map_buffer == nullptr || GLExt::unmap_buffer == nullptr)
mapbuffer = false;
}
#endif
#ifdef HAVE_DYNAMIC_MULTI_DRAW_ARRAYS
if (IsExtensionSupported("GL_EXT_multi_draw_arrays")) {
GLExt::multi_draw_arrays = (PFNGLMULTIDRAWARRAYSEXTPROC)
dlsym(RTLD_DEFAULT, "glMultiDrawArraysEXT");
GLExt::multi_draw_elements = (PFNGLMULTIDRAWELEMENTSEXTPROC)
dlsym(RTLD_DEFAULT, "glMultiDrawElementsEXT");
} else {
GLExt::multi_draw_arrays = nullptr;
GLExt::multi_draw_elements = nullptr;
}
#endif
frame_buffer_object = CheckFBO() && FBO::Initialise();
if (frame_buffer_object) {
render_buffer_depth_stencil = CheckDepthStencil();
render_buffer_stencil = CheckStencil();
if (!render_buffer_stencil)
/* fall back to a packed depth+stencil format */
render_buffer_stencil = render_buffer_depth_stencil;
}
glDisable(GL_DEPTH_TEST);
glDisable(GL_DITHER);
#ifndef HAVE_GLES2
glDisable(GL_LIGHTING);
#endif
#ifndef USE_GLSL
glEnableClientState(GL_VERTEX_ARRAY);
#endif
InitShapes();
#ifdef USE_GLSL
InitShaders();
#endif
#ifndef HAVE_GLES
::glGetIntegerv(GL_MAX_ATTRIB_STACK_DEPTH, &max_attrib_stack_depth);
#endif
}
enum piglit_result
piglit_display(void)
{
GLfloat buf_fcolor[IMAGE_SIZE][IMAGE_SIZE][4];
GLuint tex;
GLboolean pass = GL_TRUE;
GLenum format;
const GLfloat *expected;
int i, j;
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* Image data setup */
for (i = 0; i < IMAGE_SIZE; i++) {
for (j = 0; j < IMAGE_SIZE; j++) {
buf_fcolor[i][j][0] = 0.5;
buf_fcolor[i][j][1] = 0.2;
buf_fcolor[i][j][2] = 0.8;
buf_fcolor[i][j][3] = 0.4;
}
}
/* Do glCopyPixels and draw a textured rectangle for each format
* and each texture target
*/
for (j = 0; j < ARRAY_SIZE(target); j++) {
/* Draw a pixel rectangle with float color data. As per OpenGL 3.0
* specification integer formats are not allowed in glDrawPixels
*/
glDrawPixels(IMAGE_SIZE, IMAGE_SIZE, GL_RGBA,
GL_FLOAT, buf_fcolor);
/* Texture setup */
glGenTextures(1, &tex);
glBindTexture(target[j], tex);
glTexParameteri(target[j],
GL_TEXTURE_MIN_FILTER,
GL_NEAREST);
glTexParameteri(target[j],
GL_TEXTURE_MAG_FILTER,
GL_NEAREST);
glTexParameteri(target[j],
GL_GENERATE_MIPMAP,
GL_FALSE);
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
for (i = 0; i < ARRAY_SIZE(test_vectors); i++) {
GLint x = IMAGE_SIZE * (i + 1);
GLint y = 0;
GLfloat vertices_1d[2][2] = { {x, y},
{x + IMAGE_SIZE, y} };
format = test_vectors[i].format;
expected = (const float*)test_vectors[i].expected;
if(!piglit_automatic)
printf("Texture target = %s, Internal"
" format = %s\n",
piglit_get_gl_enum_name(target[j]),
piglit_get_gl_enum_name(format));
if (!supported_format(format) ||
!supported_target_format(target[j], format)) {
if (!piglit_automatic)
printf("Internal format = %s skipped\n",
piglit_get_gl_enum_name(format));
continue;
}
/* To avoid failures not related to this test case,
* loosen up the tolerence for compressed texture
* formats
*/
if (is_compressed_format(format))
piglit_set_tolerance_for_bits(7, 7, 7, 7);
else
piglit_set_tolerance_for_bits(8, 8, 8, 8);
switch(target[j]) {
case GL_TEXTURE_1D:
glCopyTexImage1D(GL_TEXTURE_1D, 0,
format,
0, 0, IMAGE_SIZE, 0);
pass = piglit_check_gl_error(GL_NO_ERROR)
&& pass;
glEnable(target[j]);
glEnableClientState(GL_VERTEX_ARRAY);
glTexCoordPointer(1, GL_FLOAT, 0, texCoords_1d);
glVertexPointer(2, GL_FLOAT, 0, vertices_1d);
glDrawArrays(GL_LINES, 0, 2);
pass = piglit_probe_pixel_rgba(x, 0, expected)
&& pass;
pass = piglit_probe_pixel_rgba(x + IMAGE_SIZE - 1,
0, expected)
&& pass;
break;
case GL_TEXTURE_2D:
glCopyTexImage2D(GL_TEXTURE_2D, 0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
glEnable(target[j]);
glTexCoordPointer(2, GL_FLOAT, 0, texCoords_2d);
piglit_draw_rect(x, y, IMAGE_SIZE, IMAGE_SIZE);
pass = piglit_probe_rect_rgba(x, y, IMAGE_SIZE,
IMAGE_SIZE,
expected)
&& pass;
break;
case GL_TEXTURE_CUBE_MAP:
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_X,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_X,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Y,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Y,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_POSITIVE_Z,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
glCopyTexImage2D(GL_TEXTURE_CUBE_MAP_NEGATIVE_Z,
0, format, 0, 0,
IMAGE_SIZE, IMAGE_SIZE, 0);
pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
glEnable(target[j]);
/* Draw a rect with +X cubemap face as texture */
glTexCoordPointer(3, GL_FLOAT, 0,
cube_face_texcoords[0]);
piglit_draw_rect(x, y, IMAGE_SIZE, IMAGE_SIZE);
pass = piglit_probe_rect_rgba(x, y,
IMAGE_SIZE, IMAGE_SIZE, expected)
&& pass;
/* Draw a rect with +Z cubemap face as texture */
glTexCoordPointer(3, GL_FLOAT, 0,
cube_face_texcoords[2]);
piglit_draw_rect(x, y, IMAGE_SIZE, IMAGE_SIZE);
pass = piglit_probe_rect_rgba(x, y,
IMAGE_SIZE, IMAGE_SIZE, expected)
&& pass;
break;
}
glDisable(target[j]);
}
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDeleteTextures(1, &tex);
}
if (!piglit_automatic)
piglit_present_results();
return (pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
int main(int argc, char **argv)
#endif
{
GLuint ui32Vbo = 0; // Vertex buffer object handle
GLuint ui32IndexVbo;
GLuint ui32Texture;
int nframes = 100;
bool immidateMode = false;
bool useIndices = true;
bool useTexture = false;
bool useCompTexture = false;
bool useConvertedType = true;
bool useFixed = false;
bool usePoints = false;
bool useCopy = false;
bool useSubCopy = false;
int c;
extern char *optarg;
#ifdef _WIN32
HWND windowId = NULL;
#elif __linux__
Window windowId = NULL;
#elif __APPLE__
void* windowId = NULL;
#endif
// // Inialize SDL window
//
if (SDL_Init(SDL_INIT_NOPARACHUTE | SDL_INIT_VIDEO)) {
fprintf(stderr,"SDL init failed: %s\n", SDL_GetError());
return -1;
}
SDL_Surface *surface = SDL_SetVideoMode(WINDOW_WIDTH,WINDOW_HEIGHT, 32, SDL_HWSURFACE);
if (surface == NULL) {
fprintf(stderr,"Failed to set video mode: %s\n", SDL_GetError());
return -1;
}
SDL_SysWMinfo wminfo;
memset(&wminfo, 0, sizeof(wminfo));
SDL_GetWMInfo(&wminfo);
#ifdef _WIN32
windowId = wminfo.window;
#elif __linux__
windowId = wminfo.info.x11.window;
#elif __APPLE__
windowId = createGLView(wminfo.nsWindowPtr,0,0,WINDOW_WIDTH,WINDOW_HEIGHT);
#endif
int major,minor,num_config;
EGLConfig configs[150];
EGLSurface egl_surface;
EGLContext ctx;
EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY);
eglInitialize(d,&major,&minor);
printf("DISPLAY == %p major =%d minor = %d\n",d,major,minor);
eglChooseConfig(d, attribute_list, configs, 150, &num_config);
printf("config returned %d\n",num_config);
egl_surface = eglCreateWindowSurface(d,configs[0],windowId,NULL);
printf("before creating context..\n");
ctx = eglCreateContext(d,configs[0],EGL_NO_CONTEXT,NULL);
printf("SURFACE == %p CONTEXT == %p\n",egl_surface,ctx);
if(eglMakeCurrent(d,egl_surface,egl_surface,ctx)!= EGL_TRUE){
printf("make current failed\n");
return false;
}
printf("after make current\n");
GLenum err = glGetError();
if(err != GL_NO_ERROR) {
printf("error before drawing ->>> %d \n",err);
} else {
printf("no error before drawing\n");
}
if (useTexture) {
glEnable(GL_TEXTURE_2D);
ui32Texture = 1;
glBindTexture(GL_TEXTURE_2D, ui32Texture);
GLenum err = glGetError();
unsigned char *pixels = NULL;
if(useCompTexture) {
pixels = genPalette4_rgb8(TEX_WIDTH,TEX_HEIGHT,3);
glCompressedTexImage2D(GL_TEXTURE_2D,0,GL_PALETTE4_RGB8_OES,TEX_WIDTH,TEX_HEIGHT,0,3*16+TEX_WIDTH*TEX_HEIGHT/2,pixels);
} else {
pixels = genTexture(TEX_WIDTH, TEX_HEIGHT, 4);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, TEX_WIDTH, TEX_HEIGHT, 0, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
}
delete pixels;
err = glGetError();
if(err != GL_NO_ERROR)
printf("error %d after image \n",err);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
err = glGetError();
if(err != GL_NO_ERROR)
printf("error after min filter \n");
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
err = glGetError();
if(err != GL_NO_ERROR)
printf("error after mag filter \n");
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
err = glGetError();
if(err != GL_NO_ERROR)
printf("error after env mode \n");
if(useCompTexture) {
pixels = genPalette4_rgb8(TEX_WIDTH,TEX_HEIGHT,1);
glCompressedTexSubImage2D(GL_TEXTURE_2D,0,TEX_WIDTH/4,TEX_HEIGHT/4,TEX_WIDTH/8,TEX_HEIGHT/8,GL_PALETTE4_RGB8_OES,3*16+(TEX_WIDTH*TEX_HEIGHT/128),pixels);
} else {
pixels = genRedTexture(TEX_WIDTH/8, TEX_HEIGHT/8, 4);
glTexSubImage2D(GL_TEXTURE_2D,0,TEX_WIDTH/4,TEX_HEIGHT/4,TEX_WIDTH/8,TEX_HEIGHT/8,GL_RGBA,GL_UNSIGNED_BYTE,pixels);
}
err = glGetError();
if(err != GL_NO_ERROR)
printf("error %d after subimage \n",err);
delete pixels;
}
glClearColor(0.6f, 0.8f, 1.0f, 1.0f); // clear blue
float afVertices[] = { -0.4f,-0.4f,0.0f, // Position
1.0f,0.0f,0.0f,1.0f, // Color
0.0f, 0.0f, // texture
12.f, //point size
0.4f,-0.4f,0.0f,
0.0f,1.0f,0.0f,1.0f,
1.0f, 0.0f,
47.0f,
0.0f,0.4f,0.0f,
0.0f,0.0f,1.0f,1.0f,
0.5f, 1.0f,
14.0f
};
#define MAX_T 1
#define MID_T 0
#define MIN_T 0
GLbyte byteVertices[] = { -1,-1,0, // Position
255,0,0,255, // Color
MIN_T, MIN_T, // texture
12, //point size
1,-1,0,
0,255,0,255,
MAX_T,MIN_T,
47,
0,1,0,
0,0,255,255,
MID_T, MAX_T,
14
};
GLfixed fixedVertices[] = { F_to_X(-0.4f),F_to_X(-0.4f),F_to_X(0.0f), // Position
F_to_X(1.0f),F_to_X(0.0f),F_to_X(0.0f),F_to_X(1.0f), // Color
F_to_X(0.0f),F_to_X(0.0f), // texture
F_to_X(12.0f),//points size
F_to_X(0.4f),F_to_X(-0.4f),F_to_X(0.0f),
F_to_X(0.0f),F_to_X(1.0f),F_to_X(0.0f),F_to_X(1.0f),
F_to_X(1.0f),F_to_X( 0.0f),
F_to_X(30.0f),
F_to_X(0.0f),F_to_X(0.4f),F_to_X(0.0f),
F_to_X(0.0f),F_to_X(0.0f),F_to_X(1.0f),F_to_X(1.0f),
F_to_X(0.5f), F_to_X(1.0f),
F_to_X(30.0)
};
unsigned short indices[] = { 2, 1, 0 };
if (!immidateMode) {
glGenBuffers(1, &ui32Vbo);
ui32Vbo = 1;
printf("ui32Vbo = %d\n", ui32Vbo);
glBindBuffer(GL_ARRAY_BUFFER, ui32Vbo);
void* data = (void*)afVertices;
unsigned int uiSize = 3*(sizeof(float)*10);
if(useConvertedType){
if(useFixed){
data = (void*)fixedVertices;
} else {
data = (void*)byteVertices;
uiSize = 3*(sizeof(GLbyte)*10);
}
}
glBufferData(GL_ARRAY_BUFFER, uiSize,data, GL_STATIC_DRAW);
ui32IndexVbo = 2;
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ui32IndexVbo);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
}
// Draws a triangle for 800 frames
float angle = 0.0;
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
GLvoid* arr = NULL;
GLenum type;
GLenum drawType;
GLenum colorType;
int size_of;
if(useConvertedType){
if(useFixed)
{
arr = fixedVertices;
colorType = type = GL_FIXED;
size_of = sizeof(GLfixed);
} else {
arr = byteVertices;
colorType = GL_UNSIGNED_BYTE;
type = GL_BYTE;
size_of = sizeof(GLbyte);
}
}else {
arr = afVertices;
colorType = type = GL_FLOAT;
size_of = sizeof(float);
}
if(usePoints)
{
drawType = GL_POINTS;
}
else
drawType = GL_TRIANGLES;
GLvoid* data = NULL;
for (int i = 0; i < 100; i++) {
glClear(GL_COLOR_BUFFER_BIT);
glPushMatrix();
glRotatef(angle, 0.0, 0.0, 1.0);
angle += 360.0 / nframes;
// Enable vertex arrays
glEnableClientState(GL_VERTEX_ARRAY);
if (immidateMode) {
glVertexPointer(3,type, size_of * 10, arr);
} else {
glVertexPointer(3,type, size_of * 10, 0);
}
// Set color data in the same way
glEnableClientState(GL_COLOR_ARRAY);
if (immidateMode) {
SWITCH_SOURCE(3)
glColorPointer(4, colorType, size_of * 10, data);
} else {
glColorPointer(4,colorType,size_of * 10, (GLvoid*) (size_of * 3) );
}
if (useTexture) {
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
if (immidateMode) {
SWITCH_SOURCE(7)
glTexCoordPointer(2, type, size_of * 10,data);
} else {
glTexCoordPointer(2, type, size_of * 10, (GLvoid*)(size_of * 7));
}
}
if(usePoints)
{
glEnableClientState(GL_POINT_SIZE_ARRAY_OES);
if (immidateMode) {
SWITCH_SOURCE(9)
glPointSizePointerOES(type,size_of * 10,data);
} else {
glPointSizePointerOES(type,size_of * 10,(GLvoid*)(size_of * 9));
}
}
if (useIndices) {
if (immidateMode) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0);
glDrawElements(drawType, 3, GL_UNSIGNED_SHORT, indices);
} else {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, ui32IndexVbo);
glDrawElements(drawType, 3, GL_UNSIGNED_SHORT, 0);
}
} else {
glDrawArrays(drawType, 0, 3);
}
GLenum err = glGetError();
if(err != GL_NO_ERROR)
printf(" error %d has occured while drawing\n",err);
glPopMatrix();
eglSwapBuffers(d,egl_surface);
if(useTexture && useCopy)
glCopyTexImage2D(GL_TEXTURE_2D,0,GL_RGBA,0,0,256,256,0);
else if(useTexture && useSubCopy)
glCopyTexSubImage2D(GL_TEXTURE_2D,0,100,100,WINDOW_WIDTH/2,WINDOW_HEIGHT/2,50,50);
}
err = glGetError();
if(err != GL_NO_ERROR)
printf("error ->>> %d \n",err);
eglDestroySurface(d,egl_surface);
eglDestroyContext(d,ctx);
// Just wait until the window is closed
SDL_Event ev;
while( SDL_WaitEvent(&ev) ) {
if (ev.type == SDL_QUIT) {
break;
}
}
return 0;
}
void VertexArray::beginUse() {
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(3, GL_FLOAT, 0, (const GLvoid*) arrayptr );
}