diff options
-rw-r--r-- | src/mesa/math/m_translate.c | 59 |
1 files changed, 46 insertions, 13 deletions
diff --git a/src/mesa/math/m_translate.c b/src/mesa/math/m_translate.c index 1bce0f3a0c..50fe017698 100644 --- a/src/mesa/math/m_translate.c +++ b/src/mesa/math/m_translate.c @@ -1,8 +1,8 @@ /* * Mesa 3-D graphics library - * Version: 5.1 + * Version: 6.5.1 * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), @@ -22,8 +22,9 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ -/* - * New (3.1) transformation code written by Keith Whitwell. +/** + * \brief Translate vectors of numbers between various types. + * \author Keith Whitwell. */ @@ -113,12 +114,17 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; -/* GL_BYTE +/** + * Translate from GL_BYTE. */ #define SRC GLbyte #define SRC_IDX TYPE_IDX(GL_BYTE) #define TRX_3F(f,n) BYTE_TO_FLOAT( PTR_ELT(f,n) ) +#if 1 #define TRX_4F(f,n) BYTE_TO_FLOAT( PTR_ELT(f,n) ) +#else +#define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) +#endif #define TRX_4FC(f,n) BYTE_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_UB(ub, f,n) ub = BYTE_TO_UBYTE( PTR_ELT(f,n) ) #define TRX_US(ch, f,n) ch = BYTE_TO_USHORT( PTR_ELT(f,n) ) @@ -166,12 +172,13 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; #undef SRC_IDX -/* GL_UNSIGNED_BYTE +/** + * Translate from GL_UNSIGNED_BYTE. */ #define SRC GLubyte #define SRC_IDX TYPE_IDX(GL_UNSIGNED_BYTE) #define TRX_3F(f,n) UBYTE_TO_FLOAT(PTR_ELT(f,n)) -#define TRX_4F(f,n) UBYTE_TO_FLOAT(PTR_ELT(f,n)) +#define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) #define TRX_4FC(f,n) UBYTE_TO_FLOAT(PTR_ELT(f,n)) #define TRX_UB(ub, f,n) ub = PTR_ELT(f,n) #define TRX_US(us, f,n) us = UBYTE_TO_USHORT(PTR_ELT(f,n)) @@ -219,7 +226,7 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; #define SRC_IDX TYPE_IDX(GL_SHORT) #define TRX_3F(f,n) SHORT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) -#define TRX_4FC(f,n) (GLfloat)( PTR_ELT(f,n) ) +#define TRX_4FC(f,n) SHORT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_UB(ub, f,n) ub = SHORT_TO_UBYTE(PTR_ELT(f,n)) #define TRX_US(us, f,n) us = SHORT_TO_USHORT(PTR_ELT(f,n)) #define TRX_UI(f,n) (PTR_ELT(f,n) < 0 ? 0 : (GLuint) PTR_ELT(f,n)) @@ -273,9 +280,9 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; #define SRC_IDX TYPE_IDX(GL_UNSIGNED_SHORT) #define TRX_3F(f,n) USHORT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) -#define TRX_4FC(f,n) (GLfloat)( PTR_ELT(f,n) ) +#define TRX_4FC(f,n) USHORT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_UB(ub,f,n) ub = (GLubyte) (PTR_ELT(f,n) >> 8) -#define TRX_US(us,f,n) us = (GLushort) (PTR_ELT(f,n) >> 8) +#define TRX_US(us,f,n) us = PTR_ELT(f,n) #define TRX_UI(f,n) (GLuint) PTR_ELT(f,n) @@ -326,7 +333,7 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; #define SRC_IDX TYPE_IDX(GL_INT) #define TRX_3F(f,n) INT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) -#define TRX_4FC(f,n) (GLfloat)( PTR_ELT(f,n) ) +#define TRX_4FC(f,n) INT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_UB(ub, f,n) ub = INT_TO_UBYTE(PTR_ELT(f,n)) #define TRX_US(us, f,n) us = INT_TO_USHORT(PTR_ELT(f,n)) #define TRX_UI(f,n) (PTR_ELT(f,n) < 0 ? 0 : (GLuint) PTR_ELT(f,n)) @@ -380,7 +387,7 @@ static trans_4f_func _math_trans_4fc_tab[5][MAX_TYPES]; #define SRC_IDX TYPE_IDX(GL_UNSIGNED_INT) #define TRX_3F(f,n) INT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_4F(f,n) (GLfloat)( PTR_ELT(f,n) ) -#define TRX_4FC(f,n) (GLfloat)( PTR_ELT(f,n) ) +#define TRX_4FC(f,n) UINT_TO_FLOAT( PTR_ELT(f,n) ) #define TRX_UB(ub, f,n) ub = (GLubyte) (PTR_ELT(f,n) >> 24) #define TRX_US(us, f,n) us = (GLshort) (PTR_ELT(f,n) >> 16) #define TRX_UI(f,n) PTR_ELT(f,n) @@ -614,7 +621,9 @@ void _math_init_translate( void ) } - +/** + * Translate vector of values to GLfloat [1]. + */ void _math_trans_1f(GLfloat *to, CONST void *ptr, GLuint stride, @@ -625,6 +634,9 @@ void _math_trans_1f(GLfloat *to, _math_trans_1f_tab[TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLuint [1]. + */ void _math_trans_1ui(GLuint *to, CONST void *ptr, GLuint stride, @@ -635,6 +647,9 @@ void _math_trans_1ui(GLuint *to, _math_trans_1ui_tab[TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLubyte [1]. + */ void _math_trans_1ub(GLubyte *to, CONST void *ptr, GLuint stride, @@ -646,6 +661,9 @@ void _math_trans_1ub(GLubyte *to, } +/** + * Translate vector of values to GLubyte [4]. + */ void _math_trans_4ub(GLubyte (*to)[4], CONST void *ptr, GLuint stride, @@ -657,6 +675,9 @@ void _math_trans_4ub(GLubyte (*to)[4], _math_trans_4ub_tab[size][TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLchan [4]. + */ void _math_trans_4chan( GLchan (*to)[4], CONST void *ptr, GLuint stride, @@ -674,6 +695,9 @@ void _math_trans_4chan( GLchan (*to)[4], #endif } +/** + * Translate vector of values to GLushort [4]. + */ void _math_trans_4us(GLushort (*to)[4], CONST void *ptr, GLuint stride, @@ -685,6 +709,9 @@ void _math_trans_4us(GLushort (*to)[4], _math_trans_4us_tab[size][TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLfloat [4]. + */ void _math_trans_4f(GLfloat (*to)[4], CONST void *ptr, GLuint stride, @@ -696,6 +723,9 @@ void _math_trans_4f(GLfloat (*to)[4], _math_trans_4f_tab[size][TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLfloat[4], normalized to [-1, 1]. + */ void _math_trans_4fc(GLfloat (*to)[4], CONST void *ptr, GLuint stride, @@ -707,6 +737,9 @@ void _math_trans_4fc(GLfloat (*to)[4], _math_trans_4fc_tab[size][TYPE_IDX(type)]( to, ptr, stride, start, n ); } +/** + * Translate vector of values to GLfloat[3], normalized to [-1, 1]. + */ void _math_trans_3f(GLfloat (*to)[3], CONST void *ptr, GLuint stride, |