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... present in 2D graphics APIs of the operating
systems. The Compositor block handles the mixing of different types of content surfaces
in the system, such as 3D rendering surfaces and native OS graphics.
Inside ... lines are two
surfaces close to each other, the arrow shows the viewing direction, and the coordinate axes illustrate
x and z axis orientations. On the left, the slope of...
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Mobile 3D Graphics
with OpenGL ES and M3G
viii CONTENTS
6.7 Textures 152
6.7.1 Texture Storage 152
PART II OPENGL ES AND EGL
CHAPTER 7. INTRODUCING OPENGL ES 157
7.1 Khronos Group and OpenGL ES 157
7.2 ... Features in OpenGL ES 1.1 164
7.4.4 Extension Mechanism 165
7.4.5 OpenGL ES Extension Pack 166
7.4.6 Utility APIs 166
7.4.7 Conventions 167
7.5 Hel...
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... not necessarily in mobile devices.
The 3D graphics capabilities of mobile devices are exposed through two standardized
application programming interfaces (APIs): OpenGL ES, typically accessed ... three parts and several appendices. Part I gives an introduction to the
3D graphics concepts that are needed to understand OpenGL ES and M3G, which are then
covered in Parts II and...
3D Graphics with OpenGL ES and M3G- P3 pps
... terms of their processing power and
both the physical screen size and the display resolution. This class of phones does not
have graphics hardware, and while software-based 3D solutions can be ... only the simplest of 3D applications.
Smart
phones
Feature
phones
Basic phones
Figure1.2: Three phone categories. Smart phones are more powerful than feature phones or basic
phones, but...
3D Graphics with OpenGL ES and M3G- P7 ppsx
... have values between −1 and 1, assuming that the vertex lies within the view frus-
tum. The x and y coordinates are mapped into a viewport that starts at pixel (v
x
, v
y
),isw
pixels wide and h ... finite size, and therefore cannot store all depths between zero
and infinity. Instead, we define two planes, the near and far camera planes, and quantize
the depths between the planes. A...
3D Graphics with OpenGL ES and M3G- P21 pps
... pointer to an arr ay with at least four elements, interpreted as red,
green, blue, and alpha values, and pname must be one of the following values (the value
in parentheses is the corresponding default ... very
compatible with modern 3D graphics, and was left out. The desktop version also allows
other components than the ambient and the diffuse to be copied from vertex colors,...
3D Graphics with OpenGL ES and M3G- P22 ppsx
... GL_PALETTE8_RGB8_OES,
GL_PALETTE4_R5_G6_B5_OES, GL_PALETTE8_R5_G6_B5_OES,
GL_PALETTE4_RGBA8_OES, GL_PALETTE8_RGBA8_OES,
GL_PALETTE4_RGBA4_OES, GL_PALETTE8_RGBA4_OES,
GL_PALETTE4_RGB5_A1_OES, GL_PALETTE8_RGB5_A1_OES.
The ... resources consumed by it should be freed.
This is done by a call to
void glDeleteTextures(GLsizei n, const GLuint * textures)
which deletes the n textures in the array tex...
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... super(true); }
public void animateAndRender() {
try {
World world = (World)Loader.load("/res/world.m3g")[0];
Graphics graphics = getGraphics();
Graphics3 D g3d = Graphics3 D.getInstance();
long ... by the Mesh.
12.2.6 NUMERIC VALUES
The default numeric formats in M3G are float and int. Almost everything is read and
written in these formats. In fact, only images and vertice...
3D Graphics with OpenGL ES and M3G- P31 pps
... font engine and all other 2D routines are running
on the CPU, and can only use a back buffer that resides in main memory, while the 3D
hardware can only use a back buffer that resides in its local ... int numVert ices, byte[] values)
void get(int firstVertex, int numVert ices, short[] values)
12.3.5 OTHER CHANGES
The other incompatibilities addressed in M3G 1.1 were very minor, and man...
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... setting the camera to your
Graphics3 D for immediate mode rendering:
Graphics3 D g3d = Graphics3 D.getInstance();
g3d.setCamera(myCamera, myCameraTransform);
This makes myCamera the camera to use ... compositing with and in which order, and Material really needs some
light to work properly.
14.3 LIGHTS AND CAMERA
So far, we have hinted at lighting and cameras, and the Light an...
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