/* * Copyright 2000-2001 VA Linux Systems, Inc. * (C) Copyright IBM Corporation 2002, 2003 * 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 * VA LINUX SYSTEM, IBM 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 <keithw@tungstengraphics.com> * Gareth Hughes <gareth@nvidia.com> */ #include "spantmp_common.h" #ifndef DBG #define DBG 0 #endif #ifndef HW_READ_CLIPLOOP #define HW_READ_CLIPLOOP() HW_CLIPLOOP() #endif #ifndef HW_WRITE_CLIPLOOP #define HW_WRITE_CLIPLOOP() HW_CLIPLOOP() #endif static void TAG(WriteRGBASpan)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, const void *values, const GLubyte mask[] ) { HW_WRITE_LOCK() { const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; GLint x1; GLint n1; LOCAL_VARS; y = Y_FLIP(y); HW_WRITE_CLIPLOOP() { GLint i = 0; CLIPSPAN(x,y,n,x1,n1,i); if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n", (int)i, (int)n1, (int)x1); if (mask) { for (;n1>0;i++,x1++,n1--) if (mask[i]) WRITE_RGBA( x1, y, rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3] ); } else { for (;n1>0;i++,x1++,n1--) WRITE_RGBA( x1, y, rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3] ); } } HW_ENDCLIPLOOP(); } HW_WRITE_UNLOCK(); } static void TAG(WriteRGBSpan)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, const void *values, const GLubyte mask[] ) { HW_WRITE_LOCK() { const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values; GLint x1; GLint n1; LOCAL_VARS; y = Y_FLIP(y); HW_WRITE_CLIPLOOP() { GLint i = 0; CLIPSPAN(x,y,n,x1,n1,i); if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n", (int)i, (int)n1, (int)x1); if (mask) { for (;n1>0;i++,x1++,n1--) if (mask[i]) WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); } else { for (;n1>0;i++,x1++,n1--) WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 ); } } HW_ENDCLIPLOOP(); } HW_WRITE_UNLOCK(); } static void TAG(WriteRGBAPixels)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, const GLint x[], const GLint y[], const void *values, const GLubyte mask[] ) { HW_WRITE_LOCK() { const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values; GLuint i; LOCAL_VARS; if (DBG) fprintf(stderr, "WriteRGBAPixels\n"); HW_WRITE_CLIPLOOP() { if (mask) { for (i=0;i<n;i++) { if (mask[i]) { const int fy = Y_FLIP(y[i]); if (CLIPPIXEL(x[i],fy)) WRITE_RGBA( x[i], fy, rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3] ); } } } else { for (i=0;i<n;i++) { const int fy = Y_FLIP(y[i]); if (CLIPPIXEL(x[i],fy)) WRITE_RGBA( x[i], fy, rgba[i][0], rgba[i][1], rgba[i][2], rgba[i][3] ); } } } HW_ENDCLIPLOOP(); } HW_WRITE_UNLOCK(); } static void TAG(WriteMonoRGBASpan)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, const void *value, const GLubyte mask[] ) { HW_WRITE_LOCK() { const GLubyte *color = (const GLubyte *) value; GLint x1; GLint n1; LOCAL_VARS; INIT_MONO_PIXEL(p, color); y = Y_FLIP( y ); if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n"); HW_WRITE_CLIPLOOP() { GLint i = 0; CLIPSPAN(x,y,n,x1,n1,i); if (mask) { for (;n1>0;i++,x1++,n1--) if (mask[i]) WRITE_PIXEL( x1, y, p ); } else { for (;n1>0;i++,x1++,n1--) WRITE_PIXEL( x1, y, p ); } } HW_ENDCLIPLOOP(); } HW_WRITE_UNLOCK(); } static void TAG(WriteMonoRGBAPixels)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, const GLint x[], const GLint y[], const void *value, const GLubyte mask[] ) { HW_WRITE_LOCK() { const GLubyte *color = (const GLubyte *) value; GLuint i; LOCAL_VARS; INIT_MONO_PIXEL(p, color); if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n"); HW_WRITE_CLIPLOOP() { if (mask) { for (i=0;i<n;i++) if (mask[i]) { int fy = Y_FLIP(y[i]); if (CLIPPIXEL( x[i], fy )) WRITE_PIXEL( x[i], fy, p ); } } else { for (i=0;i<n;i++) { int fy = Y_FLIP(y[i]); if (CLIPPIXEL( x[i], fy )) WRITE_PIXEL( x[i], fy, p ); } } } HW_ENDCLIPLOOP(); } HW_WRITE_UNLOCK(); } static void TAG(ReadRGBASpan)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, GLint x, GLint y, void *values) { HW_READ_LOCK() { GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; GLint x1,n1; LOCAL_VARS; y = Y_FLIP(y); if (DBG) fprintf(stderr, "ReadRGBASpan\n"); HW_READ_CLIPLOOP() { GLint i = 0; CLIPSPAN(x,y,n,x1,n1,i); for (;n1>0;i++,x1++,n1--) READ_RGBA( rgba[i], x1, y ); } HW_ENDCLIPLOOP(); } HW_READ_UNLOCK(); } static void TAG(ReadRGBAPixels)( struct gl_context *ctx, struct gl_renderbuffer *rb, GLuint n, const GLint x[], const GLint y[], void *values ) { HW_READ_LOCK() { GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; GLuint i; LOCAL_VARS; if (DBG) fprintf(stderr, "ReadRGBAPixels\n"); HW_READ_CLIPLOOP() { for (i=0;i<n;i++) { int fy = Y_FLIP( y[i] ); if (CLIPPIXEL( x[i], fy )) READ_RGBA( rgba[i], x[i], fy ); } } HW_ENDCLIPLOOP(); } HW_READ_UNLOCK(); } static void TAG(InitPointers)(struct gl_renderbuffer *rb) { rb->PutRow = TAG(WriteRGBASpan); rb->PutRowRGB = TAG(WriteRGBSpan); rb->PutMonoRow = TAG(WriteMonoRGBASpan); rb->PutValues = TAG(WriteRGBAPixels); rb->PutMonoValues = TAG(WriteMonoRGBAPixels); rb->GetValues = TAG(ReadRGBAPixels); rb->GetRow = TAG(ReadRGBASpan); } #undef WRITE_PIXEL #undef WRITE_RGBA #undef READ_RGBA #undef TAG