Graphics Reference
In-Depth Information
Table 15-2
Application-Modifiable OpenGL ES State Queries
(continued)
Minimum/
Initial Value
State Variable
Description
Get Function
GL_DEPTH_FUNC
Current depth test
comparison function
GL_LESS glGetIntegerv
GL_BLEND_SRC_
RGB
Current source RGB
blending coefficient
GL_ONE
glGetIntegerv
GL_BLEND_SRC_
ALPHA
Current source alpha
blending coefficient
GL_ONE
glGetIntegerv
GL_BLEND_DST_
RGB
Current destination
RGB blending
coefficient
GL_ZERO glGetIntegerv
GL_BLEND_DST_
ALPHA
Current destination
alpha blending
coefficient
GL_ZERO glGetIntegerv
GL_BLEND_
EQUATION
Current blend
equation operator
GL_FUNC_
ADD
glGetIntegerv
GL_BLEND_
EQUATION_RGB
Current RGB blend
equation operator
GL_FUNC_
ADD
glGetIntegerv
GL_BLEND_
EQUATION_ALPHA
Current alpha blend
equation operator
GL_FUNC_
ADD
glGetIntegerv
GL_BLEND_COLOR
Current blend color
0, 0, 0, 0
glGetFloatv
GL_DRAW_
BUFFERi
Current buffers
being drawn by the
corresponding output
color
glGetIntegerv
GL_READ_BUFFER
Current color buffer
selected for reading
glGetIntegerv
GL_UNPACK_
IMAGE_HEIGHT
Current image height
for pixel unpacking
0
glGetIntegerv
GL_UNPACK_
SKIP_IMAGES
Current number of
pixel images skipped
before the first pixel
for pixel unpacking
0
glGetIntegerv
