* \note Index and Edgeflag current values are stored as floats in the
* SIX and SEVEN attribute slots.
*/
- /*@{*/
GLfloat Attrib[VERT_ATTRIB_MAX][4]; /**< Position, color, texcoords, etc */
- /*@}*/
/**
* \name Current raster position attributes (always valid).
*/
struct gl_histogram_attrib
{
- GLuint Width; /**< number of table entries */
- GLint Format; /**< GL_ALPHA, GL_RGB, etc */
- GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */
- GLboolean Sink; /**< terminate image transfer? */
- GLubyte RedSize; /**< Bits per counter */
+ GLuint Width; /**< number of table entries */
+ GLint Format; /**< GL_ALPHA, GL_RGB, etc */
+ GLuint Count[HISTOGRAM_TABLE_SIZE][4]; /**< the histogram */
+ GLboolean Sink; /**< terminate image transfer? */
+ GLubyte RedSize; /**< Bits per counter */
GLubyte GreenSize;
GLubyte BlueSize;
GLubyte AlphaSize;
/*--- Begin Pixel Transfer State ---*/
/* Fields are in the order in which they're applied... */
- /* Scale & Bias (index shift, offset) */
+ /** Scale & Bias (index shift, offset) */
+ /*@{*/
GLfloat RedBias, RedScale;
GLfloat GreenBias, GreenScale;
GLfloat BlueBias, BlueScale;
GLfloat AlphaBias, AlphaScale;
GLfloat DepthBias, DepthScale;
GLint IndexShift, IndexOffset;
+ /*@}*/
/* Pixel Maps */
/* Note: actual pixel maps are not part of this attrib group */
GLboolean Convolution1DEnabled;
GLboolean Convolution2DEnabled;
GLboolean Separable2DEnabled;
- GLfloat ConvolutionBorderColor[3][4];
+ GLfloat ConvolutionBorderColor[3][4]; /**< RGBA */
GLenum ConvolutionBorderMode[3];
GLfloat ConvolutionFilterScale[3][4]; /**< RGBA */
GLfloat ConvolutionFilterBias[3][4]; /**< RGBA */
};
-
/**
* Texture attribute group (GL_TEXTURE_BIT).
*/
struct gl_texture_attrib
{
- /**
- * name multitexture
- */
- /**@{*/
- GLuint CurrentUnit; /**< Active texture unit [0, MaxTextureImageUnits-1] */
- GLbitfield _EnabledUnits; /**< one bit set for each really-enabled unit */
- GLbitfield _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
- GLbitfield _GenFlags; /**< for texgen */
- GLbitfield _TexGenEnabled; /**< Mask of ENABLE_TEXGEN flags */
- GLbitfield _TexMatEnabled; /**< Mask of ENABLE_TEXMAT flags */
- /**@}*/
-
+ GLuint CurrentUnit; /**< GL_ACTIVE_TEXTURE */
struct gl_texture_unit Unit[MAX_TEXTURE_UNITS];
struct gl_texture_object *ProxyTex[NUM_TEXTURE_TARGETS];
/** GL_EXT_shared_texture_palette */
GLboolean SharedPalette;
struct gl_color_table Palette;
+
+ /** Per-unit flags */
+ /*@{*/
+ GLbitfield _EnabledUnits; /**< one bit set for each really-enabled unit */
+ GLbitfield _EnabledCoordUnits; /**< one bit per enabled coordinate unit */
+ GLbitfield _GenFlags; /**< for texgen */
+ GLbitfield _TexGenEnabled; /**< Mask of ENABLE_TEXGEN flags */
+ GLbitfield _TexMatEnabled; /**< Mask of ENABLE_TEXMAT flags */
+ /*@}*/
};
};
-
/**
* Client pixel packing/unpacking attributes
*/
GLint RowLength;
GLint SkipPixels;
GLint SkipRows;
- GLint ImageHeight; /**< for GL_EXT_texture3D */
- GLint SkipImages; /**< for GL_EXT_texture3D */
+ GLint ImageHeight;
+ GLint SkipImages;
GLboolean SwapBytes;
GLboolean LsbFirst;
GLboolean ClientStorage; /**< GL_APPLE_client_storage */
};
-
/**
* Client vertex array attributes
*/
struct gl_feedback
{
GLenum Type;
- GLbitfield _Mask; /* FB_* bits */
+ GLbitfield _Mask; /**< FB_* bits */
GLfloat *Buffer;
GLuint BufferSize;
GLuint Count;
*/
struct gl_vertex_program_state
{
- GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
- GLboolean _Enabled; /**< Enabled and _valid_ user program? */
- GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
- GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
+ GLboolean Enabled; /**< User-set GL_VERTEX_PROGRAM_ARB/NV flag */
+ GLboolean _Enabled; /**< Enabled and _valid_ user program? */
+ GLboolean PointSizeEnabled; /**< GL_VERTEX_PROGRAM_POINT_SIZE_ARB/NV */
+ GLboolean TwoSideEnabled; /**< GL_VERTEX_PROGRAM_TWO_SIDE_ARB/NV */
struct gl_vertex_program *Current; /**< User-bound vertex program */
- /** Currently enabled and valid vertex program (including internal programs,
- * user-defined vertex programs and GLSL vertex shaders).
+ /** Currently enabled and valid vertex program (including internal
+ * programs, user-defined vertex programs and GLSL vertex shaders).
* This is the program we must use when rendering.
*/
struct gl_vertex_program *_Current;
GLboolean _Enabled; /**< Enabled and _valid_ user program? */
struct gl_fragment_program *Current; /**< User-bound fragment program */
- /** Currently enabled and valid fragment program (including internal programs,
- * user-defined fragment programs and GLSL fragment shaders).
+ /** Currently enabled and valid fragment program (including internal
+ * programs, user-defined fragment programs and GLSL fragment shaders).
* This is the program we must use when rendering.
*/
struct gl_fragment_program *_Current;
/**
- * A renderbuffer attachment point points to either a texture object
- * (and specifies a mipmap level, cube face or 3D texture slice) or
- * points to a renderbuffer.
+ * A renderbuffer attachment points to either a texture object (and specifies
+ * a mipmap level, cube face or 3D texture slice) or points to a renderbuffer.
*/
struct gl_renderbuffer_attachment
{
*/
struct gl_framebuffer
{
- _glthread_Mutex Mutex; /**< for thread safety */
- GLuint Name; /* if zero, this is a window system framebuffer */
+ _glthread_Mutex Mutex; /**< for thread safety */
+ GLuint Name; /**< if zero, this is a window system framebuffer */
GLint RefCount;
GLboolean DeletePending;
- GLvisual Visual; /**< The framebuffer's visual.
- Immutable if this is a window system buffer.
- Computed from attachments if user-made FBO. */
+ /**
+ * The framebuffer's visual. Immutable if this is a window system buffer.
+ * Computed from attachments if user-made FBO.
+ */
+ GLvisual Visual;
GLboolean Initialized;
GLfloat _MRD; /**< minimum resolvable difference in Z values */
/*@}*/
- GLenum _Status; /* One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
+ /** One of the GL_FRAMEBUFFER_(IN)COMPLETE_* tokens */
+ GLenum _Status;
- /* Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
+ /** Array of all renderbuffer attachments, indexed by BUFFER_* tokens. */
struct gl_renderbuffer_attachment Attachment[BUFFER_COUNT];
/* In unextended OpenGL these vars are part of the GL_COLOR_BUFFER
*/
struct gl_constants
{
- GLint MaxTextureLevels; /**< Maximum number of allowed mipmap levels. */
- GLint Max3DTextureLevels; /**< Maximum number of allowed mipmap levels for 3D texture targets. */
- GLint MaxCubeTextureLevels; /**< Maximum number of allowed mipmap levels for GL_ARB_texture_cube_map */
- GLint MaxArrayTextureLayers; /**< Maximum number of layers in an array texture. */
- GLint MaxTextureRectSize; /* GL_NV_texture_rectangle */
+ GLint MaxTextureLevels; /**< Max mipmap levels. */
+ GLint Max3DTextureLevels; /**< Max mipmap levels for 3D textures */
+ GLint MaxCubeTextureLevels; /**< Max mipmap levels for cube textures */
+ GLint MaxArrayTextureLayers; /**< Max layers in array textures */
+ GLint MaxTextureRectSize; /**< Max rectangle texture size, in pixes */
GLuint MaxTextureCoordUnits;
GLuint MaxTextureImageUnits;
- GLuint MaxTextureUnits; /**< = MIN(CoordUnits, ImageUnits) */
- GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
- GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */
+ GLuint MaxVertexTextureImageUnits;
+ GLuint MaxTextureUnits; /**< = MIN(CoordUnits, ImageUnits) */
+ GLfloat MaxTextureMaxAnisotropy; /**< GL_EXT_texture_filter_anisotropic */
+ GLfloat MaxTextureLodBias; /**< GL_EXT_texture_lod_bias */
+
GLuint MaxArrayLockSize;
+
GLint SubPixelBits;
- GLfloat MinPointSize, MaxPointSize; /* aliased */
- GLfloat MinPointSizeAA, MaxPointSizeAA; /* antialiased */
+
+ GLfloat MinPointSize, MaxPointSize; /**< aliased */
+ GLfloat MinPointSizeAA, MaxPointSizeAA; /**< antialiased */
GLfloat PointSizeGranularity;
- GLfloat MinLineWidth, MaxLineWidth; /* aliased */
- GLfloat MinLineWidthAA, MaxLineWidthAA; /* antialiased */
+ GLfloat MinLineWidth, MaxLineWidth; /**< aliased */
+ GLfloat MinLineWidthAA, MaxLineWidthAA; /**< antialiased */
GLfloat LineWidthGranularity;
+
GLuint MaxColorTableSize;
GLuint MaxConvolutionWidth;
GLuint MaxConvolutionHeight;
+
GLuint MaxClipPlanes;
GLuint MaxLights;
- GLfloat MaxShininess; /* GL_NV_light_max_exponent */
- GLfloat MaxSpotExponent; /* GL_NV_light_max_exponent */
+ GLfloat MaxShininess; /**< GL_NV_light_max_exponent */
+ GLfloat MaxSpotExponent; /**< GL_NV_light_max_exponent */
+
GLuint MaxViewportWidth, MaxViewportHeight;
- struct gl_program_constants VertexProgram; /* GL_ARB_vertex_program */
- struct gl_program_constants FragmentProgram; /* GL_ARB_fragment_program */
- /* shared by vertex and fragment program: */
+
+ struct gl_program_constants VertexProgram; /**< GL_ARB_vertex_program */
+ struct gl_program_constants FragmentProgram; /**< GL_ARB_fragment_program */
GLuint MaxProgramMatrices;
GLuint MaxProgramMatrixStackDepth;
- /* vertex array / buffer object bounds checking */
+
+ /** vertex array / buffer object bounds checking */
GLboolean CheckArrayBounds;
- /* GL_ARB_draw_buffers */
- GLuint MaxDrawBuffers;
- /* GL_OES_read_format */
- GLenum ColorReadFormat;
- GLenum ColorReadType;
- /* GL_EXT_framebuffer_object */
- GLuint MaxColorAttachments;
- GLuint MaxRenderbufferSize;
- /* GL_ARB_vertex_shader */
- GLuint MaxVertexTextureImageUnits;
- GLuint MaxVarying; /**< Number of float[4] vectors */
- /* GL_ARB_framebuffer_object */
- GLuint MaxSamples;
+
+ GLuint MaxDrawBuffers; /**< GL_ARB_draw_buffers */
+
+ GLenum ColorReadFormat; /**< GL_OES_read_format */
+ GLenum ColorReadType; /**< GL_OES_read_format */
+
+ GLuint MaxColorAttachments; /**< GL_EXT_framebuffer_object */
+ GLuint MaxRenderbufferSize; /**< GL_EXT_framebuffer_object */
+ GLuint MaxSamples; /**< GL_ARB_framebuffer_object */
+
+ GLuint MaxVarying; /**< Number of float[4] varying parameters */
};
*/
struct gl_extensions
{
- /**
- * \name Flags to quickly test if certain extensions are available.
- *
- * Not every extension needs to have such a flag, but it's encouraged.
- */
- /*@{*/
GLboolean dummy; /* don't remove this! */
GLboolean ARB_depth_texture;
GLboolean ARB_draw_buffers;
GLboolean SGIS_texture_lod;
GLboolean TDFX_texture_compression_FXT1;
GLboolean S3_s3tc;
- /*@}*/
- /* The extension string */
+ /** The extension string */
const GLubyte *String;
};
/**
* \name Bits for image transfer operations
- *
* \sa __GLcontextRec::ImageTransferState.
*/
/*@{*/
#define IMAGE_POST_COLOR_MATRIX_COLOR_TABLE_BIT 0x100
#define IMAGE_HISTOGRAM_BIT 0x200
#define IMAGE_MIN_MAX_BIT 0x400
-#define IMAGE_CLAMP_BIT 0x800 /* extra */
+#define IMAGE_CLAMP_BIT 0x800
/** Pixel Transfer ops up to convolution */
struct gl_color_table ColorTable[COLORTABLE_MAX];
struct gl_color_table ProxyColorTable[COLORTABLE_MAX];
-#if 0
- struct gl_color_table PostConvolutionColorTable;
- struct gl_color_table ProxyPostConvolutionColorTable;
- struct gl_color_table PostColorMatrixColorTable;
- struct gl_color_table ProxyPostColorMatrixColorTable;
-#endif
-
- struct gl_program_state Program; /**< for vertex or fragment progs */
- struct gl_vertex_program_state VertexProgram; /**< GL_ARB/NV_vertex_program */
- struct gl_fragment_program_state FragmentProgram; /**< GL_ARB/NV_vertex_program */
- struct gl_ati_fragment_shader_state ATIFragmentShader; /**< GL_ATI_fragment_shader */
- struct gl_query_state Query; /**< GL_ARB_occlusion_query */
+ struct gl_program_state Program; /**< general program state */
+ struct gl_vertex_program_state VertexProgram;
+ struct gl_fragment_program_state FragmentProgram;
+ struct gl_ati_fragment_shader_state ATIFragmentShader;
struct gl_shader_state Shader; /**< GLSL shader object state */
+
+ struct gl_query_state Query; /**< occlusion, timer queries */
/*@}*/
#if FEATURE_EXT_framebuffer_object
GLfloat _ModelViewInvScale;
GLboolean _NeedEyeCoords;
GLboolean _ForceEyeCoords;
- GLenum _CurrentProgram; /* currently executing program */
+ GLenum _CurrentProgram; /**< currently executing program */
- GLuint TextureStateTimestamp; /* detect changes to shared state */
+ GLuint TextureStateTimestamp; /**< detect changes to shared state */
struct gl_shine_tab *_ShineTable[2]; /**< Active shine tables */
struct gl_shine_tab *_ShineTabList; /**< MRU list of inactive shine tables */
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