mirror of
https://github.com/reactos/reactos.git
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1135 lines
30 KiB
C
1135 lines
30 KiB
C
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/*
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* Copyright 2003 Tungsten Graphics, inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Keith Whitwell <keithw@tungstengraphics.com>
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*/
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#include <precomp.h>
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#if 0
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#define DEBUG_INSERT printf("%s\n", __FUNCTION__)
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#else
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#define DEBUG_INSERT
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#endif
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/*
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* These functions take the NDC coordinates pointed to by 'in', apply the
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* NDC->Viewport mapping and store the results at 'v'.
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*/
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static inline void insert_4f_viewport_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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out[2] = vp[10] * in[2] + vp[14];
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out[3] = in[3];
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}
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static inline void insert_4f_viewport_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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out[2] = vp[10] * in[2] + vp[14];
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out[3] = 1;
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}
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static inline void insert_4f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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out[2] = vp[14];
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out[3] = 1;
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}
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static inline void insert_4f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[13];
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out[2] = vp[14];
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out[3] = 1;
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}
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static inline void insert_3f_viewport_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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out[2] = vp[10] * in[2] + vp[14];
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}
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static inline void insert_3f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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out[2] = vp[14];
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}
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static inline void insert_3f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[13];
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out[2] = vp[14];
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}
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static inline void insert_2f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[5] * in[1] + vp[13];
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}
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static inline void insert_2f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)v;
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const GLfloat * const vp = a->vp;
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DEBUG_INSERT;
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out[0] = vp[0] * in[0] + vp[12];
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out[1] = vp[13];
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}
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/*
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* These functions do the same as above, except for the viewport mapping.
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*/
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static inline void insert_4f_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = in[3];
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}
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static inline void insert_4f_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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out[3] = 1;
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}
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static inline void insert_4f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = 0;
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out[3] = 1;
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}
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static inline void insert_4f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = 0;
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out[2] = 0;
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out[3] = 1;
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}
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static inline void insert_3f_xyw_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[3];
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}
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static inline void insert_3f_xyw_err( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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(void) a; (void) v; (void) in;
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DEBUG_INSERT;
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exit(1);
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}
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static inline void insert_3f_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = in[2];
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}
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static inline void insert_3f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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out[2] = 0;
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}
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static inline void insert_3f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = 0;
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out[2] = 0;
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}
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static inline void insert_2f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = in[1];
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}
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static inline void insert_2f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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out[1] = 0;
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}
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static inline void insert_1f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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GLfloat *out = (GLfloat *)(v);
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(void) a;
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DEBUG_INSERT;
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out[0] = in[0];
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}
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static inline void insert_null( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a; (void) v; (void) in;
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}
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static inline void insert_4chan_4f_rgba_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLchan *c = (GLchan *)v;
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
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UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
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UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]);
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UNCLAMPED_FLOAT_TO_CHAN(c[3], in[3]);
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}
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static inline void insert_4chan_4f_rgba_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLchan *c = (GLchan *)v;
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
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UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
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UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]);
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c[3] = CHAN_MAX;
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}
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static inline void insert_4chan_4f_rgba_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLchan *c = (GLchan *)v;
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
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UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]);
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c[2] = 0;
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c[3] = CHAN_MAX;
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}
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static inline void insert_4chan_4f_rgba_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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GLchan *c = (GLchan *)v;
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]);
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c[1] = 0;
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c[2] = 0;
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c[3] = CHAN_MAX;
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}
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static inline void insert_4ub_4f_rgba_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]);
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}
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static inline void insert_4ub_4f_rgba_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_rgba_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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v[2] = 0;
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_rgba_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
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v[1] = 0;
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v[2] = 0;
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_bgra_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]);
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}
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static inline void insert_4ub_4f_bgra_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_bgra_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
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v[0] = 0;
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_bgra_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
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v[1] = 0;
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v[0] = 0;
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v[3] = 0xff;
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}
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static inline void insert_4ub_4f_argb_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
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}
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static inline void insert_4ub_4f_argb_3( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]);
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v[0] = 0xff;
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}
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static inline void insert_4ub_4f_argb_2( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
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v[3] = 0x00;
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v[0] = 0xff;
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}
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static inline void insert_4ub_4f_argb_1( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]);
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v[2] = 0x00;
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v[3] = 0x00;
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v[0] = 0xff;
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}
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static inline void insert_4ub_4f_abgr_4( const struct tnl_clipspace_attr *a, GLubyte *v,
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const GLfloat *in )
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{
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DEBUG_INSERT;
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(void) a;
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UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
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UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]);
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}
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|
static inline void insert_4ub_4f_abgr_3( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[2]);
|
|
v[0] = 0xff;
|
|
}
|
|
|
|
static inline void insert_4ub_4f_abgr_2( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]);
|
|
v[1] = 0x00;
|
|
v[0] = 0xff;
|
|
}
|
|
|
|
static inline void insert_4ub_4f_abgr_1( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[0]);
|
|
v[2] = 0x00;
|
|
v[1] = 0x00;
|
|
v[0] = 0xff;
|
|
}
|
|
|
|
static inline void insert_3ub_3f_rgb_3( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[2]);
|
|
}
|
|
|
|
static inline void insert_3ub_3f_rgb_2( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
|
|
v[2] = 0;
|
|
}
|
|
|
|
static inline void insert_3ub_3f_rgb_1( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
|
|
v[1] = 0;
|
|
v[2] = 0;
|
|
}
|
|
|
|
static inline void insert_3ub_3f_bgr_3( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[2]);
|
|
}
|
|
|
|
static inline void insert_3ub_3f_bgr_2( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[1]);
|
|
v[0] = 0;
|
|
}
|
|
|
|
static inline void insert_3ub_3f_bgr_1( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[0]);
|
|
v[1] = 0;
|
|
v[0] = 0;
|
|
}
|
|
|
|
|
|
static inline void insert_1ub_1f_1( const struct tnl_clipspace_attr *a, GLubyte *v,
|
|
const GLfloat *in )
|
|
{
|
|
DEBUG_INSERT;
|
|
(void) a;
|
|
UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[0]);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* Functions to perform the reverse operations to the above, for
|
|
* swrast translation and clip-interpolation.
|
|
*
|
|
* Currently always extracts a full 4 floats.
|
|
*/
|
|
|
|
static void extract_4f_viewport( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
const GLfloat * const vp = a->vp;
|
|
|
|
/* Although included for completeness, the position coordinate is
|
|
* usually handled differently during clipping.
|
|
*/
|
|
DEBUG_INSERT;
|
|
out[0] = (in[0] - vp[12]) / vp[0];
|
|
out[1] = (in[1] - vp[13]) / vp[5];
|
|
out[2] = (in[2] - vp[14]) / vp[10];
|
|
out[3] = in[3];
|
|
}
|
|
|
|
static void extract_3f_viewport( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
const GLfloat * const vp = a->vp;
|
|
DEBUG_INSERT;
|
|
out[0] = (in[0] - vp[12]) / vp[0];
|
|
out[1] = (in[1] - vp[13]) / vp[5];
|
|
out[2] = (in[2] - vp[14]) / vp[10];
|
|
out[3] = 1;
|
|
}
|
|
|
|
|
|
static void extract_2f_viewport( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
const GLfloat * const vp = a->vp;
|
|
DEBUG_INSERT;
|
|
out[0] = (in[0] - vp[12]) / vp[0];
|
|
out[1] = (in[1] - vp[13]) / vp[5];
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
}
|
|
|
|
|
|
static void extract_4f( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
(void) a;
|
|
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = in[2];
|
|
out[3] = in[3];
|
|
}
|
|
|
|
static void extract_3f_xyw( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
(void) a;
|
|
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = 0;
|
|
out[3] = in[2];
|
|
}
|
|
|
|
|
|
static void extract_3f( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
(void) a;
|
|
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = in[2];
|
|
out[3] = 1;
|
|
}
|
|
|
|
|
|
static void extract_2f( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
(void) a;
|
|
|
|
out[0] = in[0];
|
|
out[1] = in[1];
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
}
|
|
|
|
static void extract_1f( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
const GLfloat *in = (const GLfloat *)v;
|
|
(void) a;
|
|
|
|
out[0] = in[0];
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
}
|
|
|
|
static void extract_4chan_4f_rgba( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
GLchan *c = (GLchan *)v;
|
|
(void) a;
|
|
|
|
out[0] = CHAN_TO_FLOAT(c[0]);
|
|
out[1] = CHAN_TO_FLOAT(c[1]);
|
|
out[2] = CHAN_TO_FLOAT(c[2]);
|
|
out[3] = CHAN_TO_FLOAT(c[3]);
|
|
}
|
|
|
|
static void extract_4ub_4f_rgba( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[0] = UBYTE_TO_FLOAT(v[0]);
|
|
out[1] = UBYTE_TO_FLOAT(v[1]);
|
|
out[2] = UBYTE_TO_FLOAT(v[2]);
|
|
out[3] = UBYTE_TO_FLOAT(v[3]);
|
|
}
|
|
|
|
static void extract_4ub_4f_bgra( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[2] = UBYTE_TO_FLOAT(v[0]);
|
|
out[1] = UBYTE_TO_FLOAT(v[1]);
|
|
out[0] = UBYTE_TO_FLOAT(v[2]);
|
|
out[3] = UBYTE_TO_FLOAT(v[3]);
|
|
}
|
|
|
|
static void extract_4ub_4f_argb( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[3] = UBYTE_TO_FLOAT(v[0]);
|
|
out[0] = UBYTE_TO_FLOAT(v[1]);
|
|
out[1] = UBYTE_TO_FLOAT(v[2]);
|
|
out[2] = UBYTE_TO_FLOAT(v[3]);
|
|
}
|
|
|
|
static void extract_4ub_4f_abgr( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[3] = UBYTE_TO_FLOAT(v[0]);
|
|
out[2] = UBYTE_TO_FLOAT(v[1]);
|
|
out[1] = UBYTE_TO_FLOAT(v[2]);
|
|
out[0] = UBYTE_TO_FLOAT(v[3]);
|
|
}
|
|
|
|
static void extract_3ub_3f_rgb( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[0] = UBYTE_TO_FLOAT(v[0]);
|
|
out[1] = UBYTE_TO_FLOAT(v[1]);
|
|
out[2] = UBYTE_TO_FLOAT(v[2]);
|
|
out[3] = 1;
|
|
}
|
|
|
|
static void extract_3ub_3f_bgr( const struct tnl_clipspace_attr *a, GLfloat *out,
|
|
const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[2] = UBYTE_TO_FLOAT(v[0]);
|
|
out[1] = UBYTE_TO_FLOAT(v[1]);
|
|
out[0] = UBYTE_TO_FLOAT(v[2]);
|
|
out[3] = 1;
|
|
}
|
|
|
|
static void extract_1ub_1f( const struct tnl_clipspace_attr *a, GLfloat *out, const GLubyte *v )
|
|
{
|
|
(void) a;
|
|
out[0] = UBYTE_TO_FLOAT(v[0]);
|
|
out[1] = 0;
|
|
out[2] = 0;
|
|
out[3] = 1;
|
|
}
|
|
|
|
|
|
const struct tnl_format_info _tnl_format_info[EMIT_MAX] =
|
|
{
|
|
{ "1f",
|
|
extract_1f,
|
|
{ insert_1f_1, insert_1f_1, insert_1f_1, insert_1f_1 },
|
|
sizeof(GLfloat) },
|
|
|
|
{ "2f",
|
|
extract_2f,
|
|
{ insert_2f_1, insert_2f_2, insert_2f_2, insert_2f_2 },
|
|
2 * sizeof(GLfloat) },
|
|
|
|
{ "3f",
|
|
extract_3f,
|
|
{ insert_3f_1, insert_3f_2, insert_3f_3, insert_3f_3 },
|
|
3 * sizeof(GLfloat) },
|
|
|
|
{ "4f",
|
|
extract_4f,
|
|
{ insert_4f_1, insert_4f_2, insert_4f_3, insert_4f_4 },
|
|
4 * sizeof(GLfloat) },
|
|
|
|
{ "2f_viewport",
|
|
extract_2f_viewport,
|
|
{ insert_2f_viewport_1, insert_2f_viewport_2, insert_2f_viewport_2,
|
|
insert_2f_viewport_2 },
|
|
2 * sizeof(GLfloat) },
|
|
|
|
{ "3f_viewport",
|
|
extract_3f_viewport,
|
|
{ insert_3f_viewport_1, insert_3f_viewport_2, insert_3f_viewport_3,
|
|
insert_3f_viewport_3 },
|
|
3 * sizeof(GLfloat) },
|
|
|
|
{ "4f_viewport",
|
|
extract_4f_viewport,
|
|
{ insert_4f_viewport_1, insert_4f_viewport_2, insert_4f_viewport_3,
|
|
insert_4f_viewport_4 },
|
|
4 * sizeof(GLfloat) },
|
|
|
|
{ "3f_xyw",
|
|
extract_3f_xyw,
|
|
{ insert_3f_xyw_err, insert_3f_xyw_err, insert_3f_xyw_err,
|
|
insert_3f_xyw_4 },
|
|
3 * sizeof(GLfloat) },
|
|
|
|
{ "1ub_1f",
|
|
extract_1ub_1f,
|
|
{ insert_1ub_1f_1, insert_1ub_1f_1, insert_1ub_1f_1, insert_1ub_1f_1 },
|
|
sizeof(GLubyte) },
|
|
|
|
{ "3ub_3f_rgb",
|
|
extract_3ub_3f_rgb,
|
|
{ insert_3ub_3f_rgb_1, insert_3ub_3f_rgb_2, insert_3ub_3f_rgb_3,
|
|
insert_3ub_3f_rgb_3 },
|
|
3 * sizeof(GLubyte) },
|
|
|
|
{ "3ub_3f_bgr",
|
|
extract_3ub_3f_bgr,
|
|
{ insert_3ub_3f_bgr_1, insert_3ub_3f_bgr_2, insert_3ub_3f_bgr_3,
|
|
insert_3ub_3f_bgr_3 },
|
|
3 * sizeof(GLubyte) },
|
|
|
|
{ "4ub_4f_rgba",
|
|
extract_4ub_4f_rgba,
|
|
{ insert_4ub_4f_rgba_1, insert_4ub_4f_rgba_2, insert_4ub_4f_rgba_3,
|
|
insert_4ub_4f_rgba_4 },
|
|
4 * sizeof(GLubyte) },
|
|
|
|
{ "4ub_4f_bgra",
|
|
extract_4ub_4f_bgra,
|
|
{ insert_4ub_4f_bgra_1, insert_4ub_4f_bgra_2, insert_4ub_4f_bgra_3,
|
|
insert_4ub_4f_bgra_4 },
|
|
4 * sizeof(GLubyte) },
|
|
|
|
{ "4ub_4f_argb",
|
|
extract_4ub_4f_argb,
|
|
{ insert_4ub_4f_argb_1, insert_4ub_4f_argb_2, insert_4ub_4f_argb_3,
|
|
insert_4ub_4f_argb_4 },
|
|
4 * sizeof(GLubyte) },
|
|
|
|
{ "4ub_4f_abgr",
|
|
extract_4ub_4f_abgr,
|
|
{ insert_4ub_4f_abgr_1, insert_4ub_4f_abgr_2, insert_4ub_4f_abgr_3,
|
|
insert_4ub_4f_abgr_4 },
|
|
4 * sizeof(GLubyte) },
|
|
|
|
{ "4chan_4f_rgba",
|
|
extract_4chan_4f_rgba,
|
|
{ insert_4chan_4f_rgba_1, insert_4chan_4f_rgba_2, insert_4chan_4f_rgba_3,
|
|
insert_4chan_4f_rgba_4 },
|
|
4 * sizeof(GLchan) },
|
|
|
|
{ "pad",
|
|
NULL,
|
|
{ NULL, NULL, NULL, NULL },
|
|
0 }
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
/***********************************************************************
|
|
* Hardwired fastpaths for emitting whole vertices or groups of
|
|
* vertices
|
|
*/
|
|
#define EMIT5(NR, F0, F1, F2, F3, F4, NAME) \
|
|
static void NAME( struct gl_context *ctx, \
|
|
GLuint count, \
|
|
GLubyte *v ) \
|
|
{ \
|
|
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx); \
|
|
struct tnl_clipspace_attr *a = vtx->attr; \
|
|
GLuint i; \
|
|
\
|
|
for (i = 0 ; i < count ; i++, v += vtx->vertex_size) { \
|
|
if (NR > 0) { \
|
|
F0( &a[0], v + a[0].vertoffset, (GLfloat *)a[0].inputptr ); \
|
|
a[0].inputptr += a[0].inputstride; \
|
|
} \
|
|
\
|
|
if (NR > 1) { \
|
|
F1( &a[1], v + a[1].vertoffset, (GLfloat *)a[1].inputptr ); \
|
|
a[1].inputptr += a[1].inputstride; \
|
|
} \
|
|
\
|
|
if (NR > 2) { \
|
|
F2( &a[2], v + a[2].vertoffset, (GLfloat *)a[2].inputptr ); \
|
|
a[2].inputptr += a[2].inputstride; \
|
|
} \
|
|
\
|
|
if (NR > 3) { \
|
|
F3( &a[3], v + a[3].vertoffset, (GLfloat *)a[3].inputptr ); \
|
|
a[3].inputptr += a[3].inputstride; \
|
|
} \
|
|
\
|
|
if (NR > 4) { \
|
|
F4( &a[4], v + a[4].vertoffset, (GLfloat *)a[4].inputptr ); \
|
|
a[4].inputptr += a[4].inputstride; \
|
|
} \
|
|
} \
|
|
}
|
|
|
|
|
|
#define EMIT2(F0, F1, NAME) EMIT5(2, F0, F1, insert_null, \
|
|
insert_null, insert_null, NAME)
|
|
|
|
#define EMIT3(F0, F1, F2, NAME) EMIT5(3, F0, F1, F2, insert_null, \
|
|
insert_null, NAME)
|
|
|
|
#define EMIT4(F0, F1, F2, F3, NAME) EMIT5(4, F0, F1, F2, F3, \
|
|
insert_null, NAME)
|
|
|
|
|
|
EMIT2(insert_3f_viewport_3, insert_4ub_4f_rgba_4, emit_viewport3_rgba4)
|
|
EMIT2(insert_3f_viewport_3, insert_4ub_4f_bgra_4, emit_viewport3_bgra4)
|
|
EMIT2(insert_3f_3, insert_4ub_4f_rgba_4, emit_xyz3_rgba4)
|
|
|
|
EMIT3(insert_4f_viewport_4, insert_4ub_4f_rgba_4, insert_2f_2, emit_viewport4_rgba4_st2)
|
|
EMIT3(insert_4f_viewport_4, insert_4ub_4f_bgra_4, insert_2f_2, emit_viewport4_bgra4_st2)
|
|
EMIT3(insert_4f_4, insert_4ub_4f_rgba_4, insert_2f_2, emit_xyzw4_rgba4_st2)
|
|
|
|
EMIT4(insert_4f_viewport_4, insert_4ub_4f_rgba_4, insert_2f_2, insert_2f_2, emit_viewport4_rgba4_st2_st2)
|
|
EMIT4(insert_4f_viewport_4, insert_4ub_4f_bgra_4, insert_2f_2, insert_2f_2, emit_viewport4_bgra4_st2_st2)
|
|
EMIT4(insert_4f_4, insert_4ub_4f_rgba_4, insert_2f_2, insert_2f_2, emit_xyzw4_rgba4_st2_st2)
|
|
|
|
|
|
/* Use the codegen paths to select one of a number of hardwired
|
|
* fastpaths.
|
|
*/
|
|
void _tnl_generate_hardwired_emit( struct gl_context *ctx )
|
|
{
|
|
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
|
|
tnl_emit_func func = NULL;
|
|
|
|
/* Does it fit a hardwired fastpath? Help! this is growing out of
|
|
* control!
|
|
*/
|
|
switch (vtx->attr_count) {
|
|
case 2:
|
|
if (vtx->attr[0].emit == insert_3f_viewport_3) {
|
|
if (vtx->attr[1].emit == insert_4ub_4f_bgra_4)
|
|
func = emit_viewport3_bgra4;
|
|
else if (vtx->attr[1].emit == insert_4ub_4f_rgba_4)
|
|
func = emit_viewport3_rgba4;
|
|
}
|
|
else if (vtx->attr[0].emit == insert_3f_3 &&
|
|
vtx->attr[1].emit == insert_4ub_4f_rgba_4) {
|
|
func = emit_xyz3_rgba4;
|
|
}
|
|
break;
|
|
case 3:
|
|
if (vtx->attr[2].emit == insert_2f_2) {
|
|
if (vtx->attr[1].emit == insert_4ub_4f_rgba_4) {
|
|
if (vtx->attr[0].emit == insert_4f_viewport_4)
|
|
func = emit_viewport4_rgba4_st2;
|
|
else if (vtx->attr[0].emit == insert_4f_4)
|
|
func = emit_xyzw4_rgba4_st2;
|
|
}
|
|
else if (vtx->attr[1].emit == insert_4ub_4f_bgra_4 &&
|
|
vtx->attr[0].emit == insert_4f_viewport_4)
|
|
func = emit_viewport4_bgra4_st2;
|
|
}
|
|
break;
|
|
case 4:
|
|
if (vtx->attr[2].emit == insert_2f_2 &&
|
|
vtx->attr[3].emit == insert_2f_2) {
|
|
if (vtx->attr[1].emit == insert_4ub_4f_rgba_4) {
|
|
if (vtx->attr[0].emit == insert_4f_viewport_4)
|
|
func = emit_viewport4_rgba4_st2_st2;
|
|
else if (vtx->attr[0].emit == insert_4f_4)
|
|
func = emit_xyzw4_rgba4_st2_st2;
|
|
}
|
|
else if (vtx->attr[1].emit == insert_4ub_4f_bgra_4 &&
|
|
vtx->attr[0].emit == insert_4f_viewport_4)
|
|
func = emit_viewport4_bgra4_st2_st2;
|
|
}
|
|
break;
|
|
}
|
|
|
|
vtx->emit = func;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* Generic (non-codegen) functions for whole vertices or groups of
|
|
* vertices
|
|
*/
|
|
|
|
void _tnl_generic_emit( struct gl_context *ctx,
|
|
GLuint count,
|
|
GLubyte *v )
|
|
{
|
|
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
|
|
struct tnl_clipspace_attr *a = vtx->attr;
|
|
const GLuint attr_count = vtx->attr_count;
|
|
const GLuint stride = vtx->vertex_size;
|
|
GLuint i, j;
|
|
|
|
for (i = 0 ; i < count ; i++, v += stride) {
|
|
for (j = 0; j < attr_count; j++) {
|
|
GLfloat *in = (GLfloat *)a[j].inputptr;
|
|
a[j].inputptr += a[j].inputstride;
|
|
a[j].emit( &a[j], v + a[j].vertoffset, in );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
void _tnl_generic_interp( struct gl_context *ctx,
|
|
GLfloat t,
|
|
GLuint edst, GLuint eout, GLuint ein,
|
|
GLboolean force_boundary )
|
|
{
|
|
TNLcontext *tnl = TNL_CONTEXT(ctx);
|
|
struct vertex_buffer *VB = &tnl->vb;
|
|
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
|
|
const GLubyte *vin = vtx->vertex_buf + ein * vtx->vertex_size;
|
|
const GLubyte *vout = vtx->vertex_buf + eout * vtx->vertex_size;
|
|
GLubyte *vdst = vtx->vertex_buf + edst * vtx->vertex_size;
|
|
const struct tnl_clipspace_attr *a = vtx->attr;
|
|
const GLuint attr_count = vtx->attr_count;
|
|
GLuint j;
|
|
(void) force_boundary;
|
|
|
|
if (tnl->NeedNdcCoords) {
|
|
const GLfloat *dstclip = VB->ClipPtr->data[edst];
|
|
if (dstclip[3] != 0.0) {
|
|
const GLfloat w = 1.0f / dstclip[3];
|
|
GLfloat pos[4];
|
|
|
|
pos[0] = dstclip[0] * w;
|
|
pos[1] = dstclip[1] * w;
|
|
pos[2] = dstclip[2] * w;
|
|
pos[3] = w;
|
|
|
|
a[0].insert[4-1]( &a[0], vdst, pos );
|
|
}
|
|
}
|
|
else {
|
|
a[0].insert[4-1]( &a[0], vdst, VB->ClipPtr->data[edst] );
|
|
}
|
|
|
|
|
|
for (j = 1; j < attr_count; j++) {
|
|
GLfloat fin[4], fout[4], fdst[4];
|
|
|
|
a[j].extract( &a[j], fin, vin + a[j].vertoffset );
|
|
a[j].extract( &a[j], fout, vout + a[j].vertoffset );
|
|
|
|
INTERP_F( t, fdst[3], fout[3], fin[3] );
|
|
INTERP_F( t, fdst[2], fout[2], fin[2] );
|
|
INTERP_F( t, fdst[1], fout[1], fin[1] );
|
|
INTERP_F( t, fdst[0], fout[0], fin[0] );
|
|
|
|
a[j].insert[4-1]( &a[j], vdst + a[j].vertoffset, fdst );
|
|
}
|
|
}
|
|
|
|
|
|
/* Extract color attributes from one vertex and insert them into
|
|
* another. (Shortcircuit extract/insert with memcpy).
|
|
*/
|
|
void _tnl_generic_copy_pv( struct gl_context *ctx, GLuint edst, GLuint esrc )
|
|
{
|
|
struct tnl_clipspace *vtx = GET_VERTEX_STATE(ctx);
|
|
GLubyte *vsrc = vtx->vertex_buf + esrc * vtx->vertex_size;
|
|
GLubyte *vdst = vtx->vertex_buf + edst * vtx->vertex_size;
|
|
const struct tnl_clipspace_attr *a = vtx->attr;
|
|
const GLuint attr_count = vtx->attr_count;
|
|
GLuint j;
|
|
|
|
for (j = 0; j < attr_count; j++) {
|
|
if (a[j].attrib == VERT_ATTRIB_COLOR) {
|
|
|
|
memcpy( vdst + a[j].vertoffset,
|
|
vsrc + a[j].vertoffset,
|
|
a[j].vertattrsize );
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/* Helper functions for hardware which doesn't put back colors and/or
|
|
* edgeflags into vertices.
|
|
*/
|
|
void _tnl_generic_interp_extras( struct gl_context *ctx,
|
|
GLfloat t,
|
|
GLuint dst, GLuint out, GLuint in,
|
|
GLboolean force_boundary )
|
|
{
|
|
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
|
|
|
/* If stride is zero, BackfaceColorPtr is constant across the VB, so
|
|
* there is no point interpolating between two values as they will
|
|
* be identical. In all other cases, this value is generated by
|
|
* t_vb_lighttmp.h and has a stride of 4 dwords.
|
|
*/
|
|
if (VB->BackfaceColorPtr && VB->BackfaceColorPtr->stride) {
|
|
assert(VB->BackfaceColorPtr->stride == 4 * sizeof(GLfloat));
|
|
|
|
INTERP_4F( t,
|
|
VB->BackfaceColorPtr->data[dst],
|
|
VB->BackfaceColorPtr->data[out],
|
|
VB->BackfaceColorPtr->data[in] );
|
|
}
|
|
|
|
if (VB->BackfaceIndexPtr) {
|
|
VB->BackfaceIndexPtr->data[dst][0] = LINTERP( t,
|
|
VB->BackfaceIndexPtr->data[out][0],
|
|
VB->BackfaceIndexPtr->data[in][0] );
|
|
}
|
|
|
|
if (VB->EdgeFlag) {
|
|
VB->EdgeFlag[dst] = VB->EdgeFlag[out] || force_boundary;
|
|
}
|
|
|
|
_tnl_generic_interp(ctx, t, dst, out, in, force_boundary);
|
|
}
|
|
|
|
void _tnl_generic_copy_pv_extras( struct gl_context *ctx,
|
|
GLuint dst, GLuint src )
|
|
{
|
|
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
|
|
|
|
/* See above comment:
|
|
*/
|
|
if (VB->BackfaceColorPtr && VB->BackfaceColorPtr->stride) {
|
|
COPY_4FV( VB->BackfaceColorPtr->data[dst],
|
|
VB->BackfaceColorPtr->data[src] );
|
|
}
|
|
|
|
if (VB->BackfaceIndexPtr) {
|
|
VB->BackfaceIndexPtr->data[dst][0] = VB->BackfaceIndexPtr->data[src][0];
|
|
}
|
|
|
|
_tnl_generic_copy_pv(ctx, dst, src);
|
|
}
|
|
|
|
|