Silicon Graphics

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(-) OpenGL Programming Guide
(-) Appendix BOpenGL State Variables
(-) OpenGL State Variables

Pixel Operations

State VariableDescriptionAttribute GroupInitial ValueGet Command

GL_SCISSOR_TEST

Scissoring enabled

scissor/enable

GL_FALSE

glIsEnabled()

GL_SCISSOR_BOX

Scissor box

scissor

--

glGetIntegerv()

GL_STENCIL_TEST

Stenciling enabled

stencil-buffer/ enable

GL_FALSE

glIsEnabled()

GL_STENCIL_FUNC

Stencil function

stencil-buffer

GL_ALWAYS

glGetIntegerv()

GL_STENCIL_VALUE_MASK

Stencil mask

stencil-buffer

1's

glGetIntegerv()

GL_STENCIL_REF

Stencil reference value

stencil-buffer

0

glGetIntegerv()

GL_STENCIL_FAIL

Stencil fail action

stencil-buffer

GL_KEEP

glGetIntegerv()

GL_STENCIL_PASS_DEPTH_FAI L

Stencil depth buffer fail action

stencil-buffer

GL_KEEP

glGetIntegerv()

GL_STENCIL_PASS_DEPTH_PAS S

Stencil depth buffer pass action

stencil-buffer

GL_KEEP

glGetIntegerv()

GL_ALPHA_TEST

Alpha test enabled

color-buffer/e nable

GL_FALSE

glIsEnabled()

GL_ALPHA_TEST_FUNC

Alpha test function

color-buffer

GL_ALWAYS

glGetIntegerv()

GL_ALPHA_TEST_REF

Alpha test reference value

color-buffer

0

glGetIntegerv()

GL_DEPTH_TEST

Depth buffer enabled

depth-buffer/ enable

GL_FALSE

glIsEnabled()

GL_DEPTH_FUNC

Depth buffer test function

depth-buffer

GL_LESS

glGetIntegerv()

GL_BLEND

Blending enabled

color-buffer/e nable

GL_FALSE

glIsEnabled()

GL_BLEND_SRC

Blending source function

color-buffer

GL_ONE

glGetIntegerv()

GL_BLEND_DST

Blending destination function

color-buffer

GL_ZERO

glGetIntegerv()

GL_LOGIC_OP

Logical operation enabled

color-buffer/e nable

GL_FALSE

glIsEnabled()

GL_LOGIC_OP_MODE

Logical operation function

color-buffer

GL_COPY

glGetIntegerv()

GL_DITHER

Dithering enabled

color-buffer/e nable

GL_TRUE

glIsEnabled()

Table B-9 : Pixel Operations



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OpenGL Programming Guide


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