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GL: improve docs for RenderbufferFormat, list alternatives. 

I'm spending way too much time looking for alternatives here, so this
helps me.
pull/364/head
Vladimír Vondruš 7 years ago
parent
e6d6d181a9
commit
8d22aaa28f
1 changed files with 138 additions and 99 deletions
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  1. 237
      src/Magnum/GL/RenderbufferFormat.h

237
src/Magnum/GL/RenderbufferFormat.h
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@ -59,7 +59,9 @@ enum class RenderbufferFormat: GLenum {
* @requires_gl30 Extension @gl_extension{ARB,texture_rg}
* @requires_gles30 Extension @gl_extension{EXT,texture_rg} in OpenGL ES
* 2.0.
* @requires_webgl20 Not available in WebGL 1.0.
* @requires_webgl20 Only three- and four-component formats (such as
* @ref RenderbufferFormat::RGB565 or @ref RenderbufferFormat::RGBA4)
* are available in WebGL 1.0.
*/
#ifndef MAGNUM_TARGET_GLES2
R8 = GL_R8,
@ -86,7 +88,9 @@ enum class RenderbufferFormat: GLenum {
* @requires_gl30 Extension @gl_extension{ARB,texture_rg}
* @requires_gles30 Extension @gl_extension{EXT,texture_rg} in OpenGL ES
* 2.0.
* @requires_webgl20 Not available in WebGL 1.0.
* @requires_webgl20 Only three- and four-component formats (such as
* @ref RenderbufferFormat::RGB565 or @ref RenderbufferFormat::RGBA4)
* are available in WebGL 1.0.
*/
#ifndef MAGNUM_TARGET_GLES2
RG8 = GL_RG8,
@ -110,7 +114,9 @@ enum class RenderbufferFormat: GLenum {
* RGBA, each component normalized unsigned byte.
* @requires_gles30 Extension @gl_extension{ARM,rgba8} or @gl_extension{OES,rgb8_rgba8}
* in OpenGL ES 2.0.
* @requires_webgl20 Not available in WebGL 1.0.
* @requires_webgl20 Not availabe in WebGL 1.0, use for example
* @ref RenderbufferFormat::RGB565 or @ref RenderbufferFormat::RGBA4
* instead.
*/
#ifndef MAGNUM_TARGET_GLES2
RGBA8 = GL_RGBA8,
@ -123,30 +129,32 @@ enum class RenderbufferFormat: GLenum {
/**
* Red component, normalized unsigned short.
* @requires_gl30 Extension @gl_extension{ARB,texture_rg}
* @requires_gl Only byte-sized normalized formats are available in OpenGL
* ES and WebGL.
* @requires_gl Only byte-sized normalized formats (such as
* @ref RenderbufferFormat::R8) are available in OpenGL ES and WebGL.
*/
R16 = GL_R16,
/**
* Red and green component, each normalized unsigned short.
* @requires_gl30 Extension @gl_extension{ARB,texture_rg}
* @requires_gl Only byte-sized normalized formats are available in OpenGL
* ES and WebGL.
* @requires_gl Only byte-sized normalized formats (such as
* @ref RenderbufferFormat::RG8) are available in OpenGL ES and WebGL.
*/
RG16 = GL_RG16,
/**
* RGB, each component normalized unsigned short.
* @requires_gl Only byte-sized normalized formats are available in OpenGL
* ES and WebGL.
* @requires_gl Only byte-sized normalized formats (such as
* @ref RenderbufferFormat::RGBA8) are available in OpenGL ES and
* WebGL.
*/
RGB16 = GL_RGB16,
/**
* RGBA, each component normalized unsigned short.
* @requires_gl Only byte-sized normalized formats are available in OpenGL
* ES and WebGL.
* @requires_gl Only byte-sized normalized formats (such as
* @ref RenderbufferFormat::RGBA8) are available in OpenGL ES and
* WebGL.
*/
RGBA16 = GL_RGBA16,
#endif
@ -155,9 +163,10 @@ enum class RenderbufferFormat: GLenum {
/**
* Red component, non-normalized unsigned byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::R8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGB565) are available in
* WebGL 1.0.
*/
R8UI = GL_R8UI,
@ -165,9 +174,10 @@ enum class RenderbufferFormat: GLenum {
/**
* Red and green component, each non-normalized unsigned byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::RG8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGB565) are available in
* WebGL 1.0.
*/
RG8UI = GL_RG8UI,
@ -175,9 +185,10 @@ enum class RenderbufferFormat: GLenum {
/**
* RGBA, each component non-normalized unsigned byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::RGBA8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGBA4) are available in
* WebGL 1.0.
*/
RGBA8UI = GL_RGBA8UI,
@ -185,9 +196,10 @@ enum class RenderbufferFormat: GLenum {
/**
* Red component, non-normalized signed byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::R8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGB565) are available in
* WebGL 1.0.
*/
R8I = GL_R8I,
@ -195,9 +207,10 @@ enum class RenderbufferFormat: GLenum {
/**
* Red and green component, each non-normalized signed byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::RG8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGB565) are available in
* WebGL 1.0.
*/
RG8I = GL_RG8I,
@ -205,9 +218,10 @@ enum class RenderbufferFormat: GLenum {
/**
* RGBA, each component non-normalized signed byte.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* @requires_gles30 Only normalized integral formats (such as
* @ref RenderbufferFormat::RGBA8) are available in OpenGL ES 2.0.
* @requires_webgl20 Only three- and four-component normalized integral
* formats (such as @ref RenderbufferFormat::RGBA4) are available in
* WebGL 1.0.
*/
RGBA8I = GL_RGBA8I,
@ -215,120 +229,144 @@ enum class RenderbufferFormat: GLenum {
/**
* Red component, non-normalized unsigned short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::R8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
R16UI = GL_R16UI,
/**
* Red and green component, each non-normalized unsigned short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RG8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
RG16UI = GL_RG16UI,
/**
* RGBA, each component non-normalized unsigned short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RGBA8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGBA4) are
* available in WebGL 1.0.
*/
RGBA16UI = GL_RGBA16UI,
/**
* Red component, non-normalized signed short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::R8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
R16I = GL_R16I,
/**
* Red and green component, each non-normalized signed short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RG8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
RG16I = GL_RG16I,
/**
* RGBA, each component non-normalized signed short.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RGBA8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGBA4) are
* available in WebGL 1.0.
*/
RGBA16I = GL_RGBA16I,
/**
* Red component, non-normalized unsigned int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::R8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
R32UI = GL_R32UI,
/**
* Red and green component, each non-normalized unsigned int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RG8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
RG32UI = GL_RG32UI,
/**
* RGBA, each component non-normalized unsigned int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RGBA8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGBA4) are
* available in WebGL 1.0.
*/
RGBA32UI = GL_RGBA32UI,
/**
* Red component, non-normalized signed int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::R8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
R32I = GL_R32I,
/**
* Red and green component, each non-normalized signed int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RG8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGB565) are
* available in WebGL 1.0.
*/
RG32I = GL_RG32I,
/**
* RGBA, each component non-normalized signed int.
* @requires_gl30 Extension @gl_extension{EXT,texture_integer}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_gles30 Only byte-sized normalized integral formats
* (such as @ref RenderbufferFormat::RGBA8) are available in OpenGL ES
* 2.0.
* @requires_webgl20 Only byte-sized three- and four-component normalized
* integral formats (such as @ref RenderbufferFormat::RGBA4) are
* available in WebGL 1.0.
*/
RGBA32I = GL_RGBA32I,
#endif
@ -446,12 +484,22 @@ enum class RenderbufferFormat: GLenum {
,
#endif
/** RGB, normalized unsigned, red and blue 5bit, green 6bit. */
RGB565 = GL_RGB565,
/** RGBA, normalized unsigned, each component 4bit. */
RGBA4 = GL_RGBA4,
/** RGBA, normalized unsigned, each RGB component 5bit, alpha 1bit. */
RGB5A1 = GL_RGB5_A1,
#ifndef MAGNUM_TARGET_GLES2
/**
* RGBA, normalized unsigned, each RGB component 10bit, alpha 2bit.
* @requires_gles30 Usable only as internal texture format in OpenGL ES
* 2.0, see @ref TextureFormat::RGB10A2.
* @requires_webgl20 Not available in WebGL 1.0.
* @requires_webgl20 Not available in WebGL 1.0, use e.g.
* @ref RenderbufferFormat::RGB5A1 instead.
*/
RGB10A2 = GL_RGB10_A2,
@ -460,31 +508,12 @@ enum class RenderbufferFormat: GLenum {
* @requires_gl33 Extension @gl_extension{ARB,texture_rgb10_a2ui}
* @requires_gles30 Only normalized integral formats are available in
* OpenGL ES 2.0.
* @requires_webgl20 Only normalized integral formats are available in
* WebGL 1.0.
* @requires_webgl20 Only normalized integral formats (such as
* @ref RenderbufferFormat::RGB5A1) are available in WebGL 1.0.
*/
RGB10A2UI = GL_RGB10_A2UI,
#endif
/** RGBA, normalized unsigned, each RGB component 5bit, alpha 1bit. */
RGB5A1 = GL_RGB5_A1,
/** RGBA, normalized unsigned, each component 4bit. */
RGBA4 = GL_RGBA4,
#ifndef MAGNUM_TARGET_GLES
/**
* RGB, float, red and green 11bit, blue 10bit.
* @requires_gl30 Extension @gl_extension{EXT,packed_float}
* @requires_gl Usable only as internal texture format in OpenGL ES and
* WebGL, see @ref TextureFormat::R11FG11FB10F.
*/
R11FG11FB10F = GL_R11F_G11F_B10F,
#endif
/** RGB, normalized unsigned, red and blue 5bit, green 6bit. */
RGB565 = GL_RGB565,
/**
* sRGBA, each component normalized unsigned byte.
* @requires_gles30 Extension @gl_extension{EXT,sRGB} in OpenGL ES 2.0.
@ -496,6 +525,16 @@ enum class RenderbufferFormat: GLenum {
SRGB8Alpha8 = GL_SRGB8_ALPHA8_EXT,
#endif
#ifndef MAGNUM_TARGET_GLES
/**
* RGB, float, red and green 11bit, blue 10bit.
* @requires_gl30 Extension @gl_extension{EXT,packed_float}
* @requires_gl Usable only as internal texture format in OpenGL ES and
* WebGL, see @ref TextureFormat::R11FG11FB10F.
*/
R11FG11FB10F = GL_R11F_G11F_B10F,
#endif
#ifndef MAGNUM_TARGET_GLES
/**
* Depth component, size implementation-dependent.

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