From a8f2efd1476878c3acad2a03f3164b5a691ea366 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 15 Feb 2002 16:26:08 +0000 Subject: finished up GL_ARB_window_pos --- src/mesa/main/rastpos.c | 213 +++++++++++++++++++++--------------------------- 1 file changed, 91 insertions(+), 122 deletions(-) (limited to 'src/mesa/main/rastpos.c') diff --git a/src/mesa/main/rastpos.c b/src/mesa/main/rastpos.c index d702458898..34fb931c0c 100644 --- a/src/mesa/main/rastpos.c +++ b/src/mesa/main/rastpos.c @@ -1,10 +1,10 @@ -/* $Id: rastpos.c,v 1.34 2001/12/18 04:06:45 brianp Exp $ */ +/* $Id: rastpos.c,v 1.35 2002/02/15 16:26:08 brianp Exp $ */ /* * Mesa 3-D graphics library - * Version: 3.5 + * Version: 4.1 * - * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. + * Copyright (C) 1999-2002 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"), @@ -322,7 +322,10 @@ raster_pos4f(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) } /* compute raster distance */ - ctx->Current.RasterDistance = (GLfloat) + if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) + ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + else + ctx->Current.RasterDistance = (GLfloat) GL_SQRT( eye[0]*eye[0] + eye[1]*eye[1] + eye[2]*eye[2] ); /* apply projection matrix: clip = Proj * eye */ @@ -363,8 +366,6 @@ raster_pos4f(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) ctx->Current.RasterPos[3] = clip[3]; ctx->Current.RasterPosValid = GL_TRUE; - ctx->Current.RasterFogCoord = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; - { GLuint texSet; for (texSet = 0; texSet < ctx->Const.MaxTextureUnits; texSet++) { @@ -380,7 +381,6 @@ raster_pos4f(GLcontext *ctx, GLfloat x, GLfloat y, GLfloat z, GLfloat w) } - void _mesa_RasterPos2d(GLdouble x, GLdouble y) { @@ -529,39 +529,53 @@ _mesa_RasterPos4sv(const GLshort *v) } - /**********************************************************************/ -/*** GL_MESA_window_pos ***/ +/*** GL_ARB_window_pos / GL_MESA_window_pos ***/ /**********************************************************************/ - -/* - * This is a MESA extension function. Pretty much just like glRasterPos - * except we don't apply the modelview or projection matrices; specify a - * window coordinate directly. - * Caller: context->API.WindowPos4fMESA pointer. - */ -void -_mesa_WindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) +static void +window_pos3f(GLfloat x, GLfloat y, GLfloat z) { GET_CURRENT_CONTEXT(ctx); + GLfloat z2; + ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); FLUSH_CURRENT(ctx, 0); + z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near) + + ctx->Viewport.Near; + /* set raster position */ ctx->Current.RasterPos[0] = x; ctx->Current.RasterPos[1] = y; - ctx->Current.RasterPos[2] = CLAMP( z, 0.0F, 1.0F ); - ctx->Current.RasterPos[3] = w; + ctx->Current.RasterPos[2] = z2; + ctx->Current.RasterPos[3] = 1.0F; ctx->Current.RasterPosValid = GL_TRUE; - ctx->Current.RasterDistance = 0.0F; - ctx->Current.RasterFogCoord = 0.0F; + + if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT) + ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; + else + ctx->Current.RasterDistance = 0.0; /* raster color = current color or index */ if (ctx->Visual.rgbMode) { - COPY_4FV(ctx->Current.RasterColor, - ctx->Current.Attrib[VERT_ATTRIB_COLOR0]); + ctx->Current.RasterColor[0] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F); + ctx->Current.RasterColor[1] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F); + ctx->Current.RasterColor[2] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F); + ctx->Current.RasterColor[3] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[0] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[1] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[2] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F); + ctx->Current.RasterSecondaryColor[3] + = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F); } else { ctx->Current.RasterIndex = ctx->Current.Index; @@ -582,146 +596,160 @@ _mesa_WindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) } +/* This is just to support the GL_MESA_window_pos version */ +static void +window_pos4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + GET_CURRENT_CONTEXT(ctx); + window_pos3f(x, y, z); + ctx->Current.RasterPos[3] = w; +} void _mesa_WindowPos2dMESA(GLdouble x, GLdouble y) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); + window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); } void _mesa_WindowPos2fMESA(GLfloat x, GLfloat y) { - _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F); + window_pos4f(x, y, 0.0F, 1.0F); } void _mesa_WindowPos2iMESA(GLint x, GLint y) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); + window_pos4f((GLfloat) x, (GLfloat) y, 0.0F, 1.0F); } void _mesa_WindowPos2sMESA(GLshort x, GLshort y) { - _mesa_WindowPos4fMESA(x, y, 0.0F, 1.0F); + window_pos4f(x, y, 0.0F, 1.0F); } void _mesa_WindowPos3dMESA(GLdouble x, GLdouble y, GLdouble z) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); } void _mesa_WindowPos3fMESA(GLfloat x, GLfloat y, GLfloat z) { - _mesa_WindowPos4fMESA(x, y, z, 1.0F); + window_pos4f(x, y, z, 1.0F); } void _mesa_WindowPos3iMESA(GLint x, GLint y, GLint z) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, 1.0F); } void _mesa_WindowPos3sMESA(GLshort x, GLshort y, GLshort z) { - _mesa_WindowPos4fMESA(x, y, z, 1.0F); + window_pos4f(x, y, z, 1.0F); } void _mesa_WindowPos4dMESA(GLdouble x, GLdouble y, GLdouble z, GLdouble w) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); +} + +void +_mesa_WindowPos4fMESA(GLfloat x, GLfloat y, GLfloat z, GLfloat w) +{ + window_pos4f(x, y, z, w); } void _mesa_WindowPos4iMESA(GLint x, GLint y, GLint z, GLint w) { - _mesa_WindowPos4fMESA((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); + window_pos4f((GLfloat) x, (GLfloat) y, (GLfloat) z, (GLfloat) w); } void _mesa_WindowPos4sMESA(GLshort x, GLshort y, GLshort z, GLshort w) { - _mesa_WindowPos4fMESA(x, y, z, w); + window_pos4f(x, y, z, w); } void _mesa_WindowPos2dvMESA(const GLdouble *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); + window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); } void _mesa_WindowPos2fvMESA(const GLfloat *v) { - _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F); + window_pos4f(v[0], v[1], 0.0F, 1.0F); } void _mesa_WindowPos2ivMESA(const GLint *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); + window_pos4f((GLfloat) v[0], (GLfloat) v[1], 0.0F, 1.0F); } void _mesa_WindowPos2svMESA(const GLshort *v) { - _mesa_WindowPos4fMESA(v[0], v[1], 0.0F, 1.0F); + window_pos4f(v[0], v[1], 0.0F, 1.0F); } void _mesa_WindowPos3dvMESA(const GLdouble *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); } void _mesa_WindowPos3fvMESA(const GLfloat *v) { - _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F); + window_pos4f(v[0], v[1], v[2], 1.0); } void _mesa_WindowPos3ivMESA(const GLint *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], 1.0F); } void _mesa_WindowPos3svMESA(const GLshort *v) { - _mesa_WindowPos4fMESA(v[0], v[1], v[2], 1.0F); + window_pos4f(v[0], v[1], v[2], 1.0F); } void _mesa_WindowPos4dvMESA(const GLdouble *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); } void _mesa_WindowPos4fvMESA(const GLfloat *v) { - _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]); + window_pos4f(v[0], v[1], v[2], v[3]); } void _mesa_WindowPos4ivMESA(const GLint *v) { - _mesa_WindowPos4fMESA((GLfloat) v[0], (GLfloat) v[1], + window_pos4f((GLfloat) v[0], (GLfloat) v[1], (GLfloat) v[2], (GLfloat) v[3]); } void _mesa_WindowPos4svMESA(const GLshort *v) { - _mesa_WindowPos4fMESA(v[0], v[1], v[2], v[3]); + window_pos4f(v[0], v[1], v[2], v[3]); } @@ -764,142 +792,83 @@ void glWindowPos4fMESA( GLfloat x, GLfloat y, GLfloat z, GLfloat w ) #endif - -/**********************************************************************/ -/*** GL_ARB_window_pos ***/ -/**********************************************************************/ - void _mesa_WindowPos2dARB(GLdouble x, GLdouble y) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, 0.0F); + window_pos3f((GLfloat) x, (GLfloat) y, 0.0F); } void _mesa_WindowPos2fARB(GLfloat x, GLfloat y) { - _mesa_WindowPos3fARB(x, y, 0.0F); + window_pos3f(x, y, 0.0F); } void _mesa_WindowPos2iARB(GLint x, GLint y) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, 0.0F); + window_pos3f((GLfloat) x, (GLfloat) y, 0.0F); } void _mesa_WindowPos2sARB(GLshort x, GLshort y) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, 0.0F); + window_pos3f((GLfloat) x, (GLfloat) y, 0.0F); } void _mesa_WindowPos2dvARB(const GLdouble *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], 0.0F); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], 0.0F); } void _mesa_WindowPos2fvARB(const GLfloat *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], 0.0F); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], 0.0F); } void _mesa_WindowPos2ivARB(const GLint *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], 0.0F); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], 0.0F); } void _mesa_WindowPos2svARB(const GLshort *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], 0.0F); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], 0.0F); } void _mesa_WindowPos3dARB(GLdouble x, GLdouble y, GLdouble z) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, (GLfloat) z); + window_pos3f((GLfloat) x, (GLfloat) y, (GLfloat) z); } void _mesa_WindowPos3fARB(GLfloat x, GLfloat y, GLfloat z) { - GET_CURRENT_CONTEXT(ctx); - GLfloat z2; - - ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); - FLUSH_CURRENT(ctx, 0); - - z2 = CLAMP(z, 0.0F, 1.0F) * (ctx->Viewport.Far - ctx->Viewport.Near) - + ctx->Viewport.Near; - - /* set raster position */ - ctx->Current.RasterPos[0] = x; - ctx->Current.RasterPos[1] = y; - ctx->Current.RasterPos[2] = z2; - ctx->Current.RasterPos[3] = 0.0F; - - ctx->Current.RasterPosValid = GL_TRUE; - /* XXX might have to change this */ - ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; - ctx->Current.RasterFogCoord = ctx->Current.Attrib[VERT_ATTRIB_FOG][0]; - - /* raster color = current color or index */ - if (ctx->Visual.rgbMode) { - ctx->Current.RasterColor[0] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][0], 0.0F, 1.0F); - ctx->Current.RasterColor[1] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][1], 0.0F, 1.0F); - ctx->Current.RasterColor[2] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][2], 0.0F, 1.0F); - ctx->Current.RasterColor[3] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR0][3], 0.0F, 1.0F); - ctx->Current.RasterSecondaryColor[0] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][0], 0.0F, 1.0F); - ctx->Current.RasterSecondaryColor[1] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][1], 0.0F, 1.0F); - ctx->Current.RasterSecondaryColor[2] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][2], 0.0F, 1.0F); - ctx->Current.RasterSecondaryColor[3] - = CLAMP(ctx->Current.Attrib[VERT_ATTRIB_COLOR1][3], 0.0F, 1.0F); - } - else { - ctx->Current.RasterIndex = ctx->Current.Index; - } - - /* raster texcoord = current texcoord */ - { - GLuint texSet; - for (texSet = 0; texSet < ctx->Const.MaxTextureUnits; texSet++) { - COPY_4FV( ctx->Current.RasterMultiTexCoord[texSet], - ctx->Current.Attrib[VERT_ATTRIB_TEX0 + texSet] ); - } - } - - if (ctx->RenderMode==GL_SELECT) { - _mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] ); - } + window_pos3f(x, y, z); } void _mesa_WindowPos3iARB(GLint x, GLint y, GLint z) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, (GLfloat) z); + window_pos3f((GLfloat) x, (GLfloat) y, (GLfloat) z); } void _mesa_WindowPos3sARB(GLshort x, GLshort y, GLshort z) { - _mesa_WindowPos3fARB((GLfloat) x, (GLfloat) y, (GLfloat) z); + window_pos3f((GLfloat) x, (GLfloat) y, (GLfloat) z); } void _mesa_WindowPos3dvARB(const GLdouble *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); } void _mesa_WindowPos3fvARB(const GLfloat *p) { - _mesa_WindowPos3fARB(p[0], p[1], p[2]); + window_pos3f(p[0], p[1], p[2]); } void _mesa_WindowPos3ivARB(const GLint *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); } void _mesa_WindowPos3svARB(const GLshort *p) { - _mesa_WindowPos3fARB((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); + window_pos3f((GLfloat) p[0], (GLfloat) p[1], (GLfloat) p[2]); } -- cgit v1.2.3