diff options
Diffstat (limited to 'src/mesa/main/feedback.c')
| -rw-r--r-- | src/mesa/main/feedback.c | 105 |
1 files changed, 50 insertions, 55 deletions
diff --git a/src/mesa/main/feedback.c b/src/mesa/main/feedback.c index 48c2ccbff3..818a804540 100644 --- a/src/mesa/main/feedback.c +++ b/src/mesa/main/feedback.c @@ -1,13 +1,9 @@ -/** - * \file feedback.c - * Selection and feedback modes functions. - */ - /* * Mesa 3-D graphics library - * Version: 5.1 + * Version: 7.5 * - * Copyright (C) 1999-2003 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. 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"), @@ -27,6 +23,11 @@ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ +/** + * \file feedback.c + * Selection and feedback modes functions. + */ + #include "glheader.h" #include "colormac.h" @@ -110,60 +111,49 @@ _mesa_PassThrough( GLfloat token ) if (ctx->RenderMode==GL_FEEDBACK) { FLUSH_VERTICES(ctx, 0); - FEEDBACK_TOKEN( ctx, (GLfloat) (GLint) GL_PASS_THROUGH_TOKEN ); - FEEDBACK_TOKEN( ctx, token ); + _mesa_feedback_token( ctx, (GLfloat) (GLint) GL_PASS_THROUGH_TOKEN ); + _mesa_feedback_token( ctx, token ); } } - -/* +/** * Put a vertex into the feedback buffer. */ -void _mesa_feedback_vertex( GLcontext *ctx, - const GLfloat win[4], - const GLfloat color[4], - GLfloat index, - const GLfloat texcoord[4] ) +void +_mesa_feedback_vertex(GLcontext *ctx, + const GLfloat win[4], + const GLfloat color[4], + GLfloat index, + const GLfloat texcoord[4]) { -#if 0 - { - /* snap window x, y to fractional pixel position */ - const GLint snapMask = ~((FIXED_ONE / (1 << SUB_PIXEL_BITS)) - 1); - GLfixed x, y; - x = FloatToFixed(win[0]) & snapMask; - y = FloatToFixed(win[1]) & snapMask; - FEEDBACK_TOKEN(ctx, FixedToFloat(x)); - FEEDBACK_TOKEN(ctx, FixedToFloat(y) ); - } -#else - FEEDBACK_TOKEN( ctx, win[0] ); - FEEDBACK_TOKEN( ctx, win[1] ); -#endif + _mesa_feedback_token( ctx, win[0] ); + _mesa_feedback_token( ctx, win[1] ); if (ctx->Feedback._Mask & FB_3D) { - FEEDBACK_TOKEN( ctx, win[2] ); + _mesa_feedback_token( ctx, win[2] ); } if (ctx->Feedback._Mask & FB_4D) { - FEEDBACK_TOKEN( ctx, win[3] ); + _mesa_feedback_token( ctx, win[3] ); } if (ctx->Feedback._Mask & FB_INDEX) { - FEEDBACK_TOKEN( ctx, (GLfloat) index ); + _mesa_feedback_token( ctx, (GLfloat) index ); } if (ctx->Feedback._Mask & FB_COLOR) { - FEEDBACK_TOKEN( ctx, color[0] ); - FEEDBACK_TOKEN( ctx, color[1] ); - FEEDBACK_TOKEN( ctx, color[2] ); - FEEDBACK_TOKEN( ctx, color[3] ); + _mesa_feedback_token( ctx, color[0] ); + _mesa_feedback_token( ctx, color[1] ); + _mesa_feedback_token( ctx, color[2] ); + _mesa_feedback_token( ctx, color[3] ); } if (ctx->Feedback._Mask & FB_TEXTURE) { - FEEDBACK_TOKEN( ctx, texcoord[0] ); - FEEDBACK_TOKEN( ctx, texcoord[1] ); - FEEDBACK_TOKEN( ctx, texcoord[2] ); - FEEDBACK_TOKEN( ctx, texcoord[3] ); + _mesa_feedback_token( ctx, texcoord[0] ); + _mesa_feedback_token( ctx, texcoord[1] ); + _mesa_feedback_token( ctx, texcoord[2] ); + _mesa_feedback_token( ctx, texcoord[3] ); } } -#endif + +#endif /* _HAVE_FULL_GL */ /**********************************************************************/ @@ -207,17 +197,20 @@ _mesa_SelectBuffer( GLsizei size, GLuint *buffer ) /** * Write a value of a record into the selection buffer. * - * \param CTX GL context. - * \param V value. + * \param ctx GL context. + * \param value value. * * Verifies there is free space in the buffer to write the value and * increments the pointer. */ -#define WRITE_RECORD( CTX, V ) \ - if (CTX->Select.BufferCount < CTX->Select.BufferSize) { \ - CTX->Select.Buffer[CTX->Select.BufferCount] = (V); \ - } \ - CTX->Select.BufferCount++; +static INLINE void +write_record(GLcontext *ctx, GLuint value) +{ + if (ctx->Select.BufferCount < ctx->Select.BufferSize) { + ctx->Select.Buffer[ctx->Select.BufferCount] = value; + } + ctx->Select.BufferCount++; +} /** @@ -229,7 +222,8 @@ _mesa_SelectBuffer( GLsizei size, GLuint *buffer ) * Sets gl_selection::HitFlag and updates gl_selection::HitMinZ and * gl_selection::HitMaxZ. */ -void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ) +void +_mesa_update_hitflag(GLcontext *ctx, GLfloat z) { ctx->Select.HitFlag = GL_TRUE; if (z < ctx->Select.HitMinZ) { @@ -252,7 +246,8 @@ void _mesa_update_hitflag( GLcontext *ctx, GLfloat z ) * * \sa gl_selection. */ -static void write_hit_record( GLcontext *ctx ) +static void +write_hit_record(GLcontext *ctx) { GLuint i; GLuint zmin, zmax, zscale = (~0u); @@ -264,11 +259,11 @@ static void write_hit_record( GLcontext *ctx ) zmin = (GLuint) ((GLfloat) zscale * ctx->Select.HitMinZ); zmax = (GLuint) ((GLfloat) zscale * ctx->Select.HitMaxZ); - WRITE_RECORD( ctx, ctx->Select.NameStackDepth ); - WRITE_RECORD( ctx, zmin ); - WRITE_RECORD( ctx, zmax ); + write_record( ctx, ctx->Select.NameStackDepth ); + write_record( ctx, zmin ); + write_record( ctx, zmax ); for (i = 0; i < ctx->Select.NameStackDepth; i++) { - WRITE_RECORD( ctx, ctx->Select.NameStack[i] ); + write_record( ctx, ctx->Select.NameStack[i] ); } ctx->Select.Hits++; |