610 lines
16 KiB
C
610 lines
16 KiB
C
/*
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* Copyright 2000-2001 VA Linux Systems, Inc.
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* (C) Copyright IBM Corporation 2004
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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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* VA LINUX SYSTEM, IBM 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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/**
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* \file spantmp2.h
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*
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* Template file of span read / write functions.
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*
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* \author Keith Whitwell <keithw@tungstengraphics.com>
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* \author Gareth Hughes <gareth@nvidia.com>
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* \author Ian Romanick <idr@us.ibm.com>
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*/
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#include "colormac.h"
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#include "spantmp_common.h"
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#ifndef DBG
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#define DBG 0
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#endif
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#ifndef HW_READ_CLIPLOOP
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#define HW_READ_CLIPLOOP() HW_CLIPLOOP()
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#endif
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#ifndef HW_WRITE_CLIPLOOP
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#define HW_WRITE_CLIPLOOP() HW_CLIPLOOP()
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#endif
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#if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
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#ifndef GET_SRC_PTR
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#define GET_SRC_PTR(_x, _y) (read_buf + (_x) * 2 + (_y) * pitch)
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#endif
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#ifndef GET_DST_PTR
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#define GET_DST_PTR(_x, _y) ( buf + (_x) * 2 + (_y) * pitch)
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#endif
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#define INIT_MONO_PIXEL(p, color) \
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p = PACK_COLOR_565( color[0], color[1], color[2] )
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#define WRITE_RGBA( _x, _y, r, g, b, a ) \
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do { \
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GLshort * _p = (GLshort *) GET_DST_PTR(_x, _y); \
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_p[0] = ((((int)r & 0xf8) << 8) | (((int)g & 0xfc) << 3) | \
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(((int)b & 0xf8) >> 3)); \
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} while(0)
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#define WRITE_PIXEL( _x, _y, p ) \
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do { \
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GLushort * _p = (GLushort *) GET_DST_PTR(_x, _y); \
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_p[0] = p; \
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} while(0)
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#define READ_RGBA( rgba, _x, _y ) \
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do { \
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GLushort p = *(volatile GLshort *) GET_SRC_PTR(_x, _y); \
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rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
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rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
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rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
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rgba[3] = 0xff; \
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} while (0)
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#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
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#ifndef GET_SRC_PTR
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#define GET_SRC_PTR(_x, _y) (read_buf + (_x) * 4 + (_y) * pitch)
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#endif
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#ifndef GET_DST_PTR
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#define GET_DST_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
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#endif
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# define INIT_MONO_PIXEL(p, color) \
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p = PACK_COLOR_8888(color[3], color[0], color[1], color[2])
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# define WRITE_RGBA(_x, _y, r, g, b, a) \
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do { \
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GLuint * _p = (GLuint *) GET_DST_PTR(_x, _y); \
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_p[0] = ((r << 16) | (g << 8) | (b << 0) | (a << 24)); \
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} while(0)
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#define WRITE_PIXEL(_x, _y, p) \
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do { \
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GLuint * _p = (GLuint *) GET_DST_PTR(_x, _y); \
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_p[0] = p; \
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} while(0)
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# if defined( USE_X86_ASM )
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# define READ_RGBA(rgba, _x, _y) \
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do { \
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GLuint p = *(volatile GLuint *) GET_SRC_PTR(_x, _y); \
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__asm__ __volatile__( "bswap %0; rorl $8, %0" \
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: "=r" (p) : "r" (p) ); \
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((GLuint *)rgba)[0] = p; \
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} while (0)
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# elif defined( MESA_BIG_ENDIAN )
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/* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
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* rotlwi instruction. It also produces good code on SPARC.
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*/
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# define READ_RGBA( rgba, _x, _y ) \
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do { \
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GLuint p = *(volatile GLuint *) GET_SRC_PTR(_x, _y); \
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GLuint t = p; \
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*((uint32_t *) rgba) = (t >> 24) | (p << 8); \
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} while (0)
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# else
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# define READ_RGBA( rgba, _x, _y ) \
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do { \
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GLuint p = *(volatile GLuint *) GET_SRC_PTR(_x, _y); \
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rgba[0] = (p >> 16) & 0xff; \
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rgba[1] = (p >> 8) & 0xff; \
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rgba[2] = (p >> 0) & 0xff; \
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rgba[3] = (p >> 24) & 0xff; \
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} while (0)
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# endif
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#else
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#error SPANTMP_PIXEL_FMT must be set to a valid value!
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#endif
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#if defined( USE_MMX_ASM ) || defined( USE_SSE_ASM )
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#include "x86/read_rgba_span_x86.h"
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#include "x86/common_x86_asm.h"
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#endif
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static void TAG(WriteRGBASpan)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y,
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const void *values, const GLubyte mask[] )
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{
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HW_WRITE_LOCK()
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{
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const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values;
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GLint x1;
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GLint n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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HW_WRITE_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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if (DBG) fprintf(stderr, "WriteRGBASpan %d..%d (x1 %d)\n",
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(int)i, (int)n1, (int)x1);
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if (mask)
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{
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for (;n1>0;i++,x1++,n1--)
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if (mask[i])
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WRITE_RGBA( x1, y,
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rgba[i][0], rgba[i][1],
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rgba[i][2], rgba[i][3] );
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}
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else
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{
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for (;n1>0;i++,x1++,n1--)
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WRITE_RGBA( x1, y,
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rgba[i][0], rgba[i][1],
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rgba[i][2], rgba[i][3] );
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_WRITE_UNLOCK();
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}
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static void TAG(WriteRGBSpan)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y,
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const void *values, const GLubyte mask[] )
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{
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HW_WRITE_LOCK()
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{
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const GLubyte (*rgb)[3] = (const GLubyte (*)[3]) values;
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GLint x1;
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GLint n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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HW_WRITE_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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if (DBG) fprintf(stderr, "WriteRGBSpan %d..%d (x1 %d)\n",
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(int)i, (int)n1, (int)x1);
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if (mask)
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{
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for (;n1>0;i++,x1++,n1--)
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if (mask[i])
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WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
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}
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else
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{
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for (;n1>0;i++,x1++,n1--)
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WRITE_RGBA( x1, y, rgb[i][0], rgb[i][1], rgb[i][2], 255 );
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_WRITE_UNLOCK();
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}
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static void TAG(WriteRGBAPixels)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, const GLint x[], const GLint y[],
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const void *values, const GLubyte mask[] )
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{
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HW_WRITE_LOCK()
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{
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const GLubyte (*rgba)[4] = (const GLubyte (*)[4]) values;
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GLint i;
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LOCAL_VARS;
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if (DBG) fprintf(stderr, "WriteRGBAPixels\n");
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HW_WRITE_CLIPLOOP()
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{
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if (mask)
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{
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for (i=0;i<n;i++)
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{
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if (mask[i]) {
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const int fy = Y_FLIP(y[i]);
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if (CLIPPIXEL(x[i],fy))
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WRITE_RGBA( x[i], fy,
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rgba[i][0], rgba[i][1],
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rgba[i][2], rgba[i][3] );
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}
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}
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}
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else
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{
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for (i=0;i<n;i++)
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{
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const int fy = Y_FLIP(y[i]);
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if (CLIPPIXEL(x[i],fy))
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WRITE_RGBA( x[i], fy,
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rgba[i][0], rgba[i][1],
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rgba[i][2], rgba[i][3] );
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}
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_WRITE_UNLOCK();
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}
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static void TAG(WriteMonoRGBASpan)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y,
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const void *value, const GLubyte mask[] )
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{
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HW_WRITE_LOCK()
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{
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const GLubyte *color = (const GLubyte *) value;
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GLint x1;
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GLint n1;
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LOCAL_VARS;
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INIT_MONO_PIXEL(p, color);
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y = Y_FLIP( y );
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if (DBG) fprintf(stderr, "WriteMonoRGBASpan\n");
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HW_WRITE_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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if (mask)
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{
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for (;n1>0;i++,x1++,n1--)
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if (mask[i])
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WRITE_PIXEL( x1, y, p );
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}
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else
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{
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for (;n1>0;i++,x1++,n1--)
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WRITE_PIXEL( x1, y, p );
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_WRITE_UNLOCK();
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}
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static void TAG(WriteMonoRGBAPixels)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n,
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const GLint x[], const GLint y[],
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const void *value,
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const GLubyte mask[] )
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{
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HW_WRITE_LOCK()
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{
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const GLubyte *color = (const GLubyte *) value;
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GLint i;
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LOCAL_VARS;
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INIT_MONO_PIXEL(p, color);
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if (DBG) fprintf(stderr, "WriteMonoRGBAPixels\n");
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HW_WRITE_CLIPLOOP()
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{
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if (mask)
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{
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for (i=0;i<n;i++)
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if (mask[i]) {
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int fy = Y_FLIP(y[i]);
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if (CLIPPIXEL( x[i], fy ))
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WRITE_PIXEL( x[i], fy, p );
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}
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}
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else
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{
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for (i=0;i<n;i++) {
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int fy = Y_FLIP(y[i]);
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if (CLIPPIXEL( x[i], fy ))
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WRITE_PIXEL( x[i], fy, p );
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}
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_WRITE_UNLOCK();
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}
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static void TAG(ReadRGBASpan)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y, void *values)
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{
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HW_READ_LOCK()
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{
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GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
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GLint x1,n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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if (DBG) fprintf(stderr, "ReadRGBASpan\n");
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HW_READ_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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for (;n1>0;i++,x1++,n1--)
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READ_RGBA( rgba[i], x1, y );
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}
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HW_ENDCLIPLOOP();
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}
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HW_READ_UNLOCK();
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}
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#if defined(USE_MMX_ASM) && \
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(((SPANTMP_PIXEL_FMT == GL_BGRA) && \
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(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \
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((SPANTMP_PIXEL_FMT == GL_RGB) && \
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(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)))
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static void TAG2(ReadRGBASpan,_MMX)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y, void *values)
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{
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#ifndef USE_INNER_EMMS
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/* The EMMS instruction is directly in-lined here because using GCC's
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* built-in _mm_empty function was found to utterly destroy performance.
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*/
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__asm__ __volatile__( "emms" );
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#endif
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HW_READ_LOCK()
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{
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GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
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GLint x1,n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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if (DBG) fprintf(stderr, "ReadRGBASpan\n");
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HW_READ_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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{
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const char * src = GET_SRC_PTR( x1, y );
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#if (SPANTMP_PIXEL_FMT == GL_RGB) && \
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(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
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_generic_read_RGBA_span_RGB565_MMX( src, rgba[i], n1 );
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#else
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_generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 );
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#endif
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_READ_UNLOCK();
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#ifndef USE_INNER_EMMS
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__asm__ __volatile__( "emms" );
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#endif
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}
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#endif
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#if defined(USE_SSE_ASM) && \
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(SPANTMP_PIXEL_FMT == GL_BGRA) && \
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(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
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static void TAG2(ReadRGBASpan,_SSE2)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y,
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void *values)
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{
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HW_READ_LOCK()
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{
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GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
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GLint x1,n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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if (DBG) fprintf(stderr, "ReadRGBASpan\n");
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HW_READ_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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{
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const char * src = GET_SRC_PTR( x1, y );
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_generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 );
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}
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}
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HW_ENDCLIPLOOP();
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}
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HW_READ_UNLOCK();
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}
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#endif
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#if defined(USE_SSE_ASM) && \
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(SPANTMP_PIXEL_FMT == GL_BGRA) && \
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(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
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static void TAG2(ReadRGBASpan,_SSE)( GLcontext *ctx,
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struct gl_renderbuffer *rb,
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GLuint n, GLint x, GLint y,
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void *values)
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{
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#ifndef USE_INNER_EMMS
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/* The EMMS instruction is directly in-lined here because using GCC's
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* built-in _mm_empty function was found to utterly destroy performance.
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*/
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__asm__ __volatile__( "emms" );
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#endif
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HW_READ_LOCK()
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{
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GLubyte (*rgba)[4] = (GLubyte (*)[4]) values;
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GLint x1,n1;
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LOCAL_VARS;
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y = Y_FLIP(y);
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if (DBG) fprintf(stderr, "ReadRGBASpan\n");
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HW_READ_CLIPLOOP()
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{
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GLint i = 0;
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CLIPSPAN(x,y,n,x1,n1,i);
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{
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const char * src = GET_SRC_PTR( x1, y );
|
|
_generic_read_RGBA_span_BGRA8888_REV_SSE( src, rgba[i], n1 );
|
|
}
|
|
}
|
|
HW_ENDCLIPLOOP();
|
|
}
|
|
HW_READ_UNLOCK();
|
|
#ifndef USE_INNER_EMMS
|
|
__asm__ __volatile__( "emms" );
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
|
|
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;
|
|
GLubyte *mask = NULL; /* remove someday */
|
|
GLint 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);
|
|
|
|
#if defined(USE_SSE_ASM) && \
|
|
(SPANTMP_PIXEL_FMT == GL_BGRA) && \
|
|
(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
|
|
if ( cpu_has_xmm2 ) {
|
|
if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE2" );
|
|
rb->GetRow = TAG2(ReadRGBASpan, _SSE2);
|
|
}
|
|
else
|
|
#endif
|
|
#if defined(USE_SSE_ASM) && \
|
|
(SPANTMP_PIXEL_FMT == GL_BGRA) && \
|
|
(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
|
|
if ( cpu_has_xmm ) {
|
|
if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "SSE" );
|
|
rb->GetRow = TAG2(ReadRGBASpan, _SSE);
|
|
}
|
|
else
|
|
#endif
|
|
#if defined(USE_MMX_ASM) && \
|
|
(((SPANTMP_PIXEL_FMT == GL_BGRA) && \
|
|
(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)) || \
|
|
((SPANTMP_PIXEL_FMT == GL_RGB) && \
|
|
(SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)))
|
|
if ( cpu_has_mmx ) {
|
|
if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "MMX" );
|
|
rb->GetRow = TAG2(ReadRGBASpan, _MMX);
|
|
}
|
|
else
|
|
#endif
|
|
{
|
|
if (DBG) fprintf( stderr, "Using %s version of GetRow\n", "C" );
|
|
rb->GetRow = TAG(ReadRGBASpan);
|
|
}
|
|
|
|
}
|
|
|
|
|
|
#undef INIT_MONO_PIXEL
|
|
#undef WRITE_PIXEL
|
|
#undef WRITE_RGBA
|
|
#undef READ_RGBA
|
|
#undef TAG
|
|
#undef TAG2
|
|
#undef GET_SRC_PTR
|
|
#undef GET_DST_PTR
|
|
#undef SPANTMP_PIXEL_FMT
|
|
#undef SPANTMP_PIXEL_TYPE
|