本文整理汇总了C++中GLContext::display方法的典型用法代码示例。如果您正苦于以下问题：C++ GLContext::display方法的具体用法？C++ GLContext::display怎么用？C++ GLContext::display使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类GLContext的用法示例。
在下文中一共展示了GLContext::display方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: main
int main(int argc, char **argv)
{
GLContext ctx;
if (!ctx.create(VideoMode(720, 480, 24, 0, 4), "12 Framebuffer", true, true))
{
APP_LOG << "Failed to open context\n";
return EXIT_FAILURE;
}
APP_LOG << ctx.getDebugInfo();
Renderer gfx;
gfx.init(ctx);
try
{
if (!load())
{
gfx.dispose();
ctx.dispose();
APP_LOG << "Failed to load content\n";
return EXIT_FAILURE;
}
init(gfx, ctx);
double dt = 0.0;
while (ctx.isOpen())
{
double frame_t = ctx.getElapsedTime();
update(gfx, ctx, dt);
render(gfx, ctx, dt);
ctx.display();
ctx.pollEvents();
if (ctx.isKeyPressed(SDL_SCANCODE_ESCAPE))
ctx.close();
if (checkGLErrors())
ctx.close();
dt = ctx.getElapsedTime() - frame_t;
}
}
catch (std::exception &e)
{
APP_LOG << "An unexpected error occurred: " << e.what();
}
free();
gfx.dispose();
ctx.dispose();
return EXIT_SUCCESS;
}示例2: run
//.........这里部分代码省略.........
// Render the water with the previous reflection/refraction texture
waterShader.begin();
waterShader.setUniform("time", time);
glActiveTexture(GL_TEXTURE0 + 0);
refractionRT.bindTexture();
glActiveTexture(GL_TEXTURE0 + 1);
reflectionRT.bindTexture();
glActiveTexture(GL_TEXTURE0 + 2);
waterNormals.bind();
//waterShader.setUniform("view", viewMatrix.top());
waterShader.setUniform("refraction_tex", 0);
waterShader.setUniform("reflection_tex", 1);
waterShader.setUniform("water_normals_tex", 2);
//waterShader.setUniform("light0_pos", vec3(0.0f, 1.0f, 0.0f));
//waterShader.setUniform("light0_col", vec3(1.0f, 0.8f, 0.5f));
//waterShader.setUniform("ambient", vec3(67.0f/255.0f, 66.0f/255.0f, 63.0f/255.0f));
quadVbo.bind();
waterShader.setAttributefv("position", 2, 4, 0);
waterShader.setAttributefv("texel", 2, 4, 2);
glDrawArrays(GL_TRIANGLES, 0, 6);
quadVbo.unbind();
reflectionRT.unbindTexture();
refractionRT.unbindTexture();
waterNormals.unbind();
waterShader.end();
glActiveTexture(GL_TEXTURE0 + 0);
// Render unmirrored scene
//colorShader.begin();
//renderer.clearColorAndDepth();
//renderer.setCullState(CullStates::CullNone);
//renderer.setBlendState(BlendStates::AlphaBlend);
//renderer.setDepthTestState(DepthTestStates::LessThanOrEqual);
//colorShader.setUniform("projection", perspectiveMatrix);
//colorShader.setUniform("view", viewMatrix.top());
//cube.pushTransform();
//cube.translate(0.0f, 0.4f, 0.0f);
//cube.scale(0.5f);
//cube.draw(GL_TRIANGLES);
/*grid.pushTransform();
grid.translate(0.0f, -0.5f, 0.0f);
grid.draw(GL_LINES);
grid.popTransform();*/
// Draw mirrored scene to a rendertarget
/*rt.begin();
renderer.clearColorAndDepth();
viewMatrix.push();
viewMatrix.scale(1.0f, -1.0f, 1.0f);
colorShader.setUniform("view", viewMatrix.top());
cube.draw(GL_TRIANGLES);
cube.popTransform();
viewMatrix.pop();
rt.end();*/
// Enable stencil testing and mask out a section containing the water mesh
//glEnable(GL_STENCIL_TEST);
//glStencilFunc(GL_ALWAYS, 1, 0xFF); // Set any stencil to 1
//glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE);
//glStencilMask(0xFF); // Write to stencil buffer
//glDepthMask(GL_FALSE); // Don't write to depth buffer
//glClear(GL_STENCIL_BUFFER_BIT); // Clear stencil buffer (0 by default)
//// Draw water mesh
//water.pushTransform();
//water.scale(3.0f);
//water.draw(GL_TRIANGLES);
//water.popTransform();
//colorShader.end();
//// Draw previous rendertarget as a quad masked into the water plane
//glStencilFunc(GL_EQUAL, 1, 0xFF); // Pass test if stencil value is 1
//glStencilMask(0x00); // Don't write anything to stencil buffer
//glDepthMask(GL_TRUE);
//glDisable(GL_STENCIL_TEST);
viewMatrix.pop();
context.display();
renderTime = timer.getElapsedTime() - renderStart;
if(renderTime < 0.013)
context.sleep(0.013 - renderTime);
if(checkGLErrors(std::cerr))
{
std::cin.get();
context.close();
}
}
waterNormals.dispose();
colorShader.dispose();
waterShader.dispose();
vao.dispose();
context.dispose();
}