小孔明的专栏

introductionshaders were first added into opengl in version 2.0, introducing programmability into the formerly 之前胡 fixed-function opengl pipeline.shaders give us the power to implement alternative r...

In this chapter, we will cover:ff Creating a noise texture

Sending data to a shader using uniform variablesvertex attributes provide one avenue for providing input to shaders;a second technique is uniform variables.uniform variables are intended to be used...

In this chapter, we will cover:

In this chapter, we will cover:ff Point sprites with the geometry shaderff Drawing a wireframe on top of a shaded meshff Drawing silhouette lines using the geometry shaderff Tessellating a curvef...

Textures are an important and fundamental aspect of real-time rendering in general,and OpenGL in particular. The use of textures within a shader opens up a huge range ofpossibilities. Beyond just us...

introductionin this chapter, we will focus on techniques that work directly with the pixels in a framebuffer.These techniques typically involve multiple passes. An initial pass produces the pixel da...

In this chapter, we will cover the following recipes:ff Implementing a particle simulation with the compute