3D Graphics with OpenGL ES and M3G- P13 pot
3D Graphics with OpenGL ES and M3G- P13 pot
... ultimately breathes life into 3D graphics. While still images can be nice as such, most applications involve objects moving and interacting with each other and the user, or scenes in some other ... M N−1 so that each M i represents the vertex coordinates (and other related data, such as normals and texture coordinates) for one keyframe. The mesh topology or list of primitives is o...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P6 pot
... first moves the pivot to the origin, then applies an inverse rotation to align the desired direction of the scaling with the coordinate axes, performs the scaling, then rotates back and moves the ... coordinates or object coordinates must be tr ansformed into the eye coordinate system, also known as camera coordinates, for rendering. By definition, the cam- era in OpenGL ES and M3G li...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P11 potx
... stencil buffer value and a reference value. At its simplest, one can initialize the stencil buffer with zeros, paint an arbitrary pattern with ones, and then with NOTEQUAL 0 draw only within the stencil ... incoming fragment with a user- given reference or threshold value, and based on the outcome and the selected comparison function either passes or rejects the fragment. For...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P16 pot
... performance counters, and OpenGL ES function call history. It allows adding breakpoints on OpenGL ES commands, forcing the application’s raster mode and render target, and breaking on OpenGL ES errors. Another ... pixel Use smaller textures, compressed textures, nearest filtering, mipmaps Replace textures with baked-in vertex colors, use nearest filtering Limited by textur...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P17 pot
... models and of multiple light sources. However, with fixed- functionality pipelines of OpenGL ES 1.x and M3G 1.x one should primar ily utilize texture-based and precomputed illumination, and try ... pipeline flush and may therefore be costly. State changes and under-the-hood synchronization may also happen when an application uses different APIs to access the same graphics re...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P24 potx
... GL_TRUE ); draw_scene _with_ normal_light(); 218 OPENGL ES RASTERIZATION AND FRAGMENT PROCESSING CHAPTER 9 9.5.4 DEPTH TESTING Depth testing is the final test in the OpenGL ES fragment pipeline. ... there is to do. The shadow volumes are modeled as geometry, and are used to update the stencil 10 CHAPTER MISCELLANEOUS OPENGL ES FEATURES This chapter covers OpenGL ES function...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P26 potx
... data types to be used where absolutely necessary. EGL uni es the OpenGL ES related resource management across platforms, and defines standard function names and tokens for the implementations and ... to describe EGL configuration, the different surface types supported by EGL, and the OpenGL ES/ EGL context. We cover EGL extensions and describe how the surfaces can be used to mi...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P27 pot
... 3D scene with OpenGL ES and then render some 2D overlay information to the same surface with OpenVG. Also, as the OpenGL ES 2.0 API is completely separate from OpenGL ES 1.x, it is addressed in future ... shareable data with share_context and with the contexts that share_context shares data with, unless share_context is set to EGL_NO_CONTEXT. With OpenGL ES 1....
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P28 pot
... and setting the EGL error code to EGL_CONTEXT_LOST. In these cases the application is responsible for restoring the OpenGL ES state from scratch, including textures, matrices, and other states. In ... no awareness of the content of the surface, e.g ., the 3D frame buffer can be drawn into a sepa- rate overlay buffer, and the 2D and 3D surfaces are mixed only when the system re...
Ngày tải lên: 03/07/2014, 11:20
3D Graphics with OpenGL ES and M3G- P29 pot
... site) takes care of all the non 3D- related code. 12.1 OVERVIEW The Mobile 3D Graphics API provides Java programmers with an efficient and compact interface for managing and rendering 3D scenes. It ... The other classes provide capabilities that are beyond the scope of OpenGL, such as object and scene representation, keyframe animation, and content loading. features of OpenGL...
Ngày tải lên: 03/07/2014, 11:20