3D Graphics with OpenGL ES and M3G- P27 pot
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....
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...
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...
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...
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...
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...
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...
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...
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...
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...