2 * Copyright 2000-2001 VA Linux Systems, Inc.
3 * (C) Copyright IBM Corporation 2002, 2003
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * on the rights to use, copy, modify, merge, publish, distribute, sub
10 * license, and/or sell copies of the Software, and to permit persons to whom
11 * the Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
20 * VA LINUX SYSTEM, IBM AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
21 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
22 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
23 * USE OR OTHER DEALINGS IN THE SOFTWARE.
26 * Keith Whitwell <keithw@tungstengraphics.com>
27 * Gareth Hughes <gareth@nvidia.com>
30 #include "spantmp_common.h"
36 #ifndef HW_READ_CLIPLOOP
37 #define HW_READ_CLIPLOOP() HW_CLIPLOOP()
40 #ifndef HW_WRITE_CLIPLOOP
41 #define HW_WRITE_CLIPLOOP() HW_CLIPLOOP()
45 static void TAG(WriteRGBASpan)( struct gl_context *ctx,
46 struct gl_renderbuffer *rb,
47 GLuint n, GLint x, GLint y,
48 const void *values, const GLubyte mask[] )
52 const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values;
62 CLIPSPAN(x,y,n,x1,n1,i);
64 if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n",
65 (int)i, (int)n1, (int)x1);
69 for (;n1>0;i++,x1++,n1--)
72 rgba[i][0], rgba[i][1],
73 rgba[i][2], rgba[i][3] );
77 for (;n1>0;i++,x1++,n1--)
79 rgba[i][0], rgba[i][1],
80 rgba[i][2], rgba[i][3] );
88 static void TAG(WriteRGBSpan)( struct gl_context *ctx,
89 struct gl_renderbuffer *rb,
90 GLuint n, GLint x, GLint y,
91 const void *values, const GLubyte mask[] )
95 const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values;
105 CLIPSPAN(x,y,n,x1,n1,i);
107 if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n",
108 (int)i, (int)n1, (int)x1);
112 for (;n1>0;i++,x1++,n1--)
114 WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
118 for (;n1>0;i++,x1++,n1--)
119 WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
127 static void TAG(WriteRGBAPixels)( struct gl_context *ctx,
128 struct gl_renderbuffer *rb,
129 GLuint n, const GLint x[], const GLint y[],
130 const void *values, const GLubyte mask[] )
134 const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values;
138 if (DBG) fprintf(stderr, "WriteRGBAPixels\n");
147 const int fy = Y_FLIP(y[i]);
148 if (CLIPPIXEL(x[i],fy))
149 WRITE_RGBA( x[i], fy,
150 rgba[i][0], rgba[i][1],
151 rgba[i][2], rgba[i][3] );
159 const int fy = Y_FLIP(y[i]);
160 if (CLIPPIXEL(x[i],fy))
161 WRITE_RGBA( x[i], fy,
162 rgba[i][0], rgba[i][1],
163 rgba[i][2], rgba[i][3] );
173 static void TAG(WriteMonoRGBASpan)( struct gl_context *ctx,
174 struct gl_renderbuffer *rb,
175 GLuint n, GLint x, GLint y,
177 const GLubyte mask[] )
181 const GLubyte *color = (const GLubyte *) value;
185 INIT_MONO_PIXEL(p, color);
189 if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n");
194 CLIPSPAN(x,y,n,x1,n1,i);
197 for (;n1>0;i++,x1++,n1--)
199 WRITE_PIXEL( x1, y, p );
203 for (;n1>0;i++,x1++,n1--)
204 WRITE_PIXEL( x1, y, p );
213 static void TAG(WriteMonoRGBAPixels)( struct gl_context *ctx,
214 struct gl_renderbuffer *rb,
216 const GLint x[], const GLint y[],
218 const GLubyte mask[] )
222 const GLubyte *color = (const GLubyte *) value;
225 INIT_MONO_PIXEL(p, color);
227 if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n");
235 int fy = Y_FLIP(y[i]);
236 if (CLIPPIXEL( x[i], fy ))
237 WRITE_PIXEL( x[i], fy, p );
243 int fy = Y_FLIP(y[i]);
244 if (CLIPPIXEL( x[i], fy ))
245 WRITE_PIXEL( x[i], fy, p );
255 static void TAG(ReadRGBASpan)( struct gl_context *ctx,
256 struct gl_renderbuffer *rb,
257 GLuint n, GLint x, GLint y,
262 GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
268 if (DBG) fprintf(stderr, "ReadRGBASpan\n");
273 CLIPSPAN(x,y,n,x1,n1,i);
274 for (;n1>0;i++,x1++,n1--)
275 READ_RGBA( rgba[i], x1, y );
283 static void TAG(ReadRGBAPixels)( struct gl_context *ctx,
284 struct gl_renderbuffer *rb,
285 GLuint n, const GLint x[], const GLint y[],
290 GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
294 if (DBG) fprintf(stderr, "ReadRGBAPixels\n");
299 int fy = Y_FLIP( y[i] );
300 if (CLIPPIXEL( x[i], fy ))
301 READ_RGBA( rgba[i], x[i], fy );
310 static void TAG(InitPointers)(struct gl_renderbuffer *rb)
312 rb->PutRow = TAG(WriteRGBASpan);
313 rb->PutRowRGB = TAG(WriteRGBSpan);
314 rb->PutMonoRow = TAG(WriteMonoRGBASpan);
315 rb->PutValues = TAG(WriteRGBAPixels);
316 rb->PutMonoValues = TAG(WriteMonoRGBAPixels);
317 rb->GetValues = TAG(ReadRGBAPixels);
318 rb->GetRow = TAG(ReadRGBASpan);