/* * Copyright 2003 Tungsten Graphics, 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"), * to deal in the Software without restriction, including without limitation * on the rights to use, copy, modify, merge, publish, distribute, sub * license, and/or sell copies of the Software, and to permit persons to whom * the Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL * TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE * USE OR OTHER DEALINGS IN THE SOFTWARE. * * Authors: * Keith Whitwell */ #include "main/glheader.h" #include "main/context.h" #include "main/colormac.h" #include "main/simple_list.h" #include "swrast/s_chan.h" #include "t_context.h" #include "t_vertex.h" #if 0 #define DEBUG_INSERT printf("%s\n", __FUNCTION__) #else #define DEBUG_INSERT #endif /* * These functions take the NDC coordinates pointed to by 'in', apply the * NDC->Viewport mapping and store the results at 'v'. */ static inline void insert_4f_viewport_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; out[2] = vp[10] * in[2] + vp[14]; out[3] = in[3]; } static inline void insert_4f_viewport_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; out[2] = vp[10] * in[2] + vp[14]; out[3] = 1; } static inline void insert_4f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; out[2] = vp[14]; out[3] = 1; } static inline void insert_4f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[13]; out[2] = vp[14]; out[3] = 1; } static inline void insert_3f_viewport_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; out[2] = vp[10] * in[2] + vp[14]; } static inline void insert_3f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; out[2] = vp[14]; } static inline void insert_3f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[13]; out[2] = vp[14]; } static inline void insert_2f_viewport_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[5] * in[1] + vp[13]; } static inline void insert_2f_viewport_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)v; const GLfloat * const vp = a->vp; DEBUG_INSERT; out[0] = vp[0] * in[0] + vp[12]; out[1] = vp[13]; } /* * These functions do the same as above, except for the viewport mapping. */ static inline void insert_4f_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = in[2]; out[3] = in[3]; } static inline void insert_4f_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = in[2]; out[3] = 1; } static inline void insert_4f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = 0; out[3] = 1; } static inline void insert_4f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = 0; out[2] = 0; out[3] = 1; } static inline void insert_3f_xyw_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = in[3]; } static inline void insert_3f_xyw_err( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { (void) a; (void) v; (void) in; DEBUG_INSERT; exit(1); } static inline void insert_3f_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = in[2]; } static inline void insert_3f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; out[2] = 0; } static inline void insert_3f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = 0; out[2] = 0; } static inline void insert_2f_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = in[1]; } static inline void insert_2f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; out[1] = 0; } static inline void insert_1f_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLfloat *out = (GLfloat *)(v); (void) a; DEBUG_INSERT; out[0] = in[0]; } static inline void insert_null( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { DEBUG_INSERT; (void) a; (void) v; (void) in; } static inline void insert_4chan_4f_rgba_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLchan *c = (GLchan *)v; DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]); UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]); UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]); UNCLAMPED_FLOAT_TO_CHAN(c[3], in[3]); } static inline void insert_4chan_4f_rgba_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLchan *c = (GLchan *)v; DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]); UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]); UNCLAMPED_FLOAT_TO_CHAN(c[2], in[2]); c[3] = CHAN_MAX; } static inline void insert_4chan_4f_rgba_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLchan *c = (GLchan *)v; DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]); UNCLAMPED_FLOAT_TO_CHAN(c[1], in[1]); c[2] = 0; c[3] = CHAN_MAX; } static inline void insert_4chan_4f_rgba_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { GLchan *c = (GLchan *)v; DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_CHAN(c[0], in[0]); c[1] = 0; c[2] = 0; c[3] = CHAN_MAX; } static inline void insert_4ub_4f_rgba_4( 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]); UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]); } static inline void insert_4ub_4f_rgba_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]); v[3] = 0xff; } static inline void insert_4ub_4f_rgba_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; v[3] = 0xff; } static inline void insert_4ub_4f_rgba_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; v[3] = 0xff; } static inline void insert_4ub_4f_bgra_4( 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]); UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[3]); } static inline void insert_4ub_4f_bgra_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]); v[3] = 0xff; } static inline void insert_4ub_4f_bgra_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; v[3] = 0xff; } static inline void insert_4ub_4f_bgra_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; v[3] = 0xff; } static inline void insert_4ub_4f_argb_4( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]); UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]); UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]); UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]); } static inline void insert_4ub_4f_argb_3( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]); UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]); UNCLAMPED_FLOAT_TO_UBYTE(v[3], in[2]); v[0] = 0xff; } static inline void insert_4ub_4f_argb_2( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]); UNCLAMPED_FLOAT_TO_UBYTE(v[2], in[1]); v[3] = 0x00; v[0] = 0xff; } static inline void insert_4ub_4f_argb_1( const struct tnl_clipspace_attr *a, GLubyte *v, const GLfloat *in ) { DEBUG_INSERT; (void) a; UNCLAMPED_FLOAT_TO_UBYTE(v[1], in[0]); v[2] = 0x00; v[3] = 0x00; v[0] = 0xff; } static inline void insert_4ub_4f_abgr_4( 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]); UNCLAMPED_FLOAT_TO_UBYTE(v[0], in[3]); } 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_4F(t, fdst, fout, fin); 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_COLOR0 || a[j].attrib == VERT_ATTRIB_COLOR1) { 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->BackfaceSecondaryColorPtr) { assert(VB->BackfaceSecondaryColorPtr->stride == 4 * sizeof(GLfloat)); INTERP_3F( t, VB->BackfaceSecondaryColorPtr->data[dst], VB->BackfaceSecondaryColorPtr->data[out], VB->BackfaceSecondaryColorPtr->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->BackfaceSecondaryColorPtr) { COPY_4FV( VB->BackfaceSecondaryColorPtr->data[dst], VB->BackfaceSecondaryColorPtr->data[src] ); } if (VB->BackfaceIndexPtr) { VB->BackfaceIndexPtr->data[dst][0] = VB->BackfaceIndexPtr->data[src][0]; } _tnl_generic_copy_pv(ctx, dst, src); }