Lines Matching refs:integer

43     Fixed-point textures in unextended OpenGL have integer components,
45     the range [0,1].  These integer components are considered
50     This extension provides a set of new "unnormalized" integer texture
53     textures are accessed by a shader, actual integer values are returned.
56     buffer with unnormalized integer components follow a path similar
61     operations indicate unnormalized integer data.
63     Textures or render buffers with unnormalized integer formats may also be
68     written to an integer color buffer.  The NV_gpu_program4 and
70     fragment shaders to write signed and unsigned integer output values.
74     The results of a texture lookup from an integer texture are undefined:
83       * for fixed-function fragment processing with an integer color buffer,
86         integer color buffer, or
88       * for fragment shaders that write integer color components to a color
89         buffer with floating point or normalized integer components.
188     buffer is an integer format and no fragment shader is active, the
191     occurs.  If <format> is one of the integer component formats as
215     which indicates they are integer.
226     and those that yield floating-point or integer components.
233     is not performed on indices or integer components.
241     integer components or 1.0 for floating-point components. If any of
243     added and assigned a value of 0 for integer components or 0.0 for
254     in section 2.14.9 (Final Color Processing).  For integer RGBA
271        components in integer format: red, green, blue, and alpha.
284     operations defined in this section affect integer RGBA component
291     floating-point, signed integer or unsigned integer, depending on
295     value and integer textures return signed or unsigned integer
300     using fixed functionality with integer textures is undefined.
306     conversion.  If the <internalformat> of the texture is integer,
315     Textures with integer internal formats (table 3.16) require
316     integer data.  The error INVALID_OPERATION is generated if the
317     internal format is integer and <format> is not one of the integer
319     integer and <format> is an integer format, or if <format> is an
320     integer format and <type> is FLOAT.
367     floating point, <i> is signed integer, <ui> is unsigned integer,
376     is required and no depth buffer is present, or if integer RGBA
378     integer, or if floating-point or fixed-point RGBA data is required
379     and the format of the current color buffer is integer.
401     If the value for TEXTURE_PRIORITY is specified as an integer, the
408     unmodified and stored with an internal data type of integer.  If
444     If the internalformat is integer, TEXTURE_MAG_FILTER must be
456     disabled or the color buffer has an integer format, the final
463     point, signed integer or unsigned integer.  If the color buffer
477     Color buffers consist of unsigned integer color indices, R, G, B
479     fixed-point unsigned integer or floating-point values, or R, G, B
480     and optionally A integer components represented as signed or
481     unsigned integer values.  The number of bitplanes...
495     if the color buffer has an integer format, proceed to the next
505     the color buffer has an integer format, it is bypassed. ...
518     set the clear value for signed integer and unsigned integer color
520     stored as integer values.
528     is undefined if the clear color was specified as integer values.
529     The result of when clearing integer color buffers is undefined if
535     The error INVALID_OPERATION occurs if <format> is an integer
536     format and the color buffer is not an integer format, or if the
537     color buffer is an integer format and <format> is not.  The error
538     INVALID_ENUM occurs if <format> is an integer format and <type> is
545     (see section 2.14.9).  For an integer or floating-point color
567     is applied to the component.  For an integer RGBA color, each
597     unsigned normalized integer, floating-point, signed unnormalized integer,
598     and unsigned unnormalized integer components, respectively.
735     conversion always clamps when the internalformat is not integer.
771     color buffer has an integer RGBA format and no fragment shader is
775     SubTexImage* if <format> is one of the integer component formats
779     the texture internalformat is an integer format as described in
780     table 3.16 and <format> is not one of the integer component
782     integer format and <format> is an integer format.
785     CopyTexSubImage* if the texture internalformat is an integer
786     format and the read color buffer is not an integer format, or if
787     the internalformat is not an integer format and the read color
788     buffer is an integer format.
790     INVALID_ENUM is generated by ReadPixels if <format> is an integer
794     integer format and the color buffer is not an integer format, or
795     if <format> is not an integer format and the color buffer is an
796     integer format.
811     How should the integer pixel path be triggered: by the destination
819     Should pixel transfer operations be defined for the integer pixel
826     What happens if a shader reads a float texel from an integer
832     How do integer textures behave in fixed function fragment
837         integer texture will not be in a meaningful format.
839     How does TEXTURE_BORDER_COLOR work with integer textures?
844         allow specification of signed and unsigned integer border
847     How does logic op behave with RGBA mode rendering into integer
851         rendering into integer color buffers.
853         Logic op operations make sense for integer color buffers so the
854         COLOR_LOGIC_OP enable is respected when rendering into integer
858         into integer color buffers (as section 4.1.8 is updated to say).