| /* |
| * 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)( GLcontext *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)( GLcontext *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)( GLcontext *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)( GLcontext *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)( GLcontext *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)( GLcontext *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)( GLcontext *ctx, |
| struct gl_renderbuffer *rb, |
| GLuint n, const GLint x[], const GLint y[], |
| void *values ) |
| { |
| HW_READ_LOCK() |
| { |
| GLubyte (*rgba)[4] = (GLubyte (*)[4]) values; |
| const GLubyte *mask = NULL; /* remove someday */ |
| GLuint i; |
| LOCAL_VARS; |
| |
| if (DBG) fprintf(stderr, "ReadRGBAPixels\n"); |
| |
| HW_READ_CLIPLOOP() |
| { |
| if (mask) |
| { |
| for (i=0;i<n;i++) |
| if (mask[i]) { |
| int fy = Y_FLIP( y[i] ); |
| if (CLIPPIXEL( x[i], fy )) |
| READ_RGBA( rgba[i], x[i], fy ); |
| } |
| } |
| else |
| { |
| 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 |
