aboutsummaryrefslogtreecommitdiff
path: root/mesalib/src/mesa/drivers/dri
diff options
context:
space:
mode:
Diffstat (limited to 'mesalib/src/mesa/drivers/dri')
-rw-r--r--mesalib/src/mesa/drivers/dri/common/spantmp2.h1954
1 files changed, 916 insertions, 1038 deletions
diff --git a/mesalib/src/mesa/drivers/dri/common/spantmp2.h b/mesalib/src/mesa/drivers/dri/common/spantmp2.h
index 160836a77..abd79562f 100644
--- a/mesalib/src/mesa/drivers/dri/common/spantmp2.h
+++ b/mesalib/src/mesa/drivers/dri/common/spantmp2.h
@@ -1,1038 +1,916 @@
-/*
- * Copyright 2000-2001 VA Linux Systems, Inc.
- * (C) Copyright IBM Corporation 2004
- * 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.
- */
-
-/**
- * \file spantmp2.h
- *
- * Template file of span read / write functions.
- *
- * \author Keith Whitwell <keithw@tungstengraphics.com>
- * \author Gareth Hughes <gareth@nvidia.com>
- * \author Ian Romanick <idr@us.ibm.com>
- */
-
-#include "main/colormac.h"
-#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
-
-#ifdef SPANTMP_MESA_FMT
-#define SPANTMP_PIXEL_FMT GL_NONE
-#define SPANTMP_PIXEL_TYPE GL_NONE
-#endif
-
-#ifndef SPANTMP_MESA_FMT
-#define SPANTMP_MESA_FMT MESA_FORMAT_COUNT
-#endif
-
-#if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
-
-/**
- ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_565( color[0], color[1], color[2] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, ((((int)r & 0xf8) << 8) | \
- (((int)g & 0xfc) << 3) | \
- (((int)b & 0xf8) >> 3))) \
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
- rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
- rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
- rgba[3] = 0xff; \
- } while (0)
-
-#elif (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5_REV)
-
-/**
- ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_565_REV( color[0], color[1], color[2] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, PACK_COLOR_565_REV( r, g, b ))
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- p = p << 8 | p >> 8; \
- rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
- rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
- rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
- rgba[3] = 0xff; \
- } while (0)
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_4444_REV(color[3], color[0], color[1], color[2])
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, PACK_COLOR_4444_REV(a, r, g, b)) \
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = ((p >> 0) & 0xf) * 0x11; \
- rgba[1] = ((p >> 12) & 0xf) * 0x11; \
- rgba[2] = ((p >> 4) & 0xf) * 0x11; \
- rgba[3] = ((p >> 8) & 0xf) * 0x11; \
- } while (0)
-
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4_REV)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_4444(color[3], color[0], color[1], color[2])
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, PACK_COLOR_4444(a, r, g, b)) \
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = ((p >> 8) & 0xf) * 0x11; \
- rgba[1] = ((p >> 4) & 0xf) * 0x11; \
- rgba[2] = ((p >> 0) & 0xf) * 0x11; \
- rgba[3] = ((p >> 12) & 0xf) * 0x11; \
- } while (0)
-
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5_REV)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_1555(color[3], color[0], color[1], color[2])
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, PACK_COLOR_1555(a, r, g, b)) \
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \
- rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \
- rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
- rgba[3] = ((p >> 15) & 0x1) * 0xff; \
- } while (0)
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-#define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_1555_REV(color[3], color[0], color[1], color[2])
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- PUT_VALUE(_x, _y, PACK_COLOR_1555_REV(a, r, g, b)) \
-
-#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- p = p << 8 | p >> 8; \
- rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \
- rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \
- rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
- rgba[3] = ((p >> 15) & 0x1) * 0xff; \
- } while (0)
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_8888(color[3], color[0], color[1], color[2])
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, ((r << 16) | \
- (g << 8) | \
- (b << 0) | \
- (a << 24)))
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-# if defined( USE_X86_ASM )
-# define READ_RGBA(rgba, _x, _y) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- __asm__ __volatile__( "bswap %0; rorl $8, %0" \
- : "=r" (p) : "0" (p) ); \
- ((GLuint *)rgba)[0] = p; \
- } while (0)
-# elif defined( MESA_BIG_ENDIAN )
- /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
- * rotlwi instruction. It also produces good code on SPARC.
- */
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- GLuint t = p; \
- *((uint32_t *) rgba) = (t >> 24) | (p << 8); \
- } while (0)
-# else
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- rgba[0] = (p >> 16) & 0xff; \
- rgba[1] = (p >> 8) & 0xff; \
- rgba[2] = (p >> 0) & 0xff; \
- rgba[3] = (p >> 24) & 0xff; \
- } while (0)
-# endif
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8)
-
-/**
- ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_8888(color[2], color[1], color[0], color[3])
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, ((r << 8) | \
- (g << 16) | \
- (b << 24) | \
- (a << 0)))
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-# if defined( USE_X86_ASM )
-# define READ_RGBA(rgba, _x, _y) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- __asm__ __volatile__( "rorl $8, %0" \
- : "=r" (p) : "0" (p) ); \
- ((GLuint *)rgba)[0] = p; \
- } while (0)
-# elif defined( MESA_BIG_ENDIAN )
- /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
- * rotlwi instruction. It also produces good code on SPARC.
- */
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = CPU_TO_LE32(GET_VALUE(_x, _y)); \
- GLuint t = p; \
- *((uint32_t *) rgba) = (t >> 24) | (p << 8); \
- } while (0)
-# else
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- rgba[0] = (p >> 8) & 0xff; \
- rgba[1] = (p >> 16) & 0xff; \
- rgba[2] = (p >> 24) & 0xff; \
- rgba[3] = (p >> 0) & 0xff; \
- } while (0)
-# endif
-
-#elif (SPANTMP_PIXEL_FMT == GL_BGR) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
-
-/**
- ** GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV
- **
- ** This is really for MESA_FORMAT_XRGB8888. The spantmp code needs to be
- ** kicked to the curb, and we need to just code-gen this.
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = PACK_COLOR_8888(0xff, color[0], color[1], color[2])
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, ((r << 16) | \
- (g << 8) | \
- (b << 0) | \
- (0xff << 24)))
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-# if defined( USE_X86_ASM )
-# define READ_RGBA(rgba, _x, _y) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- __asm__ __volatile__( "bswap %0; rorl $8, %0" \
- : "=r" (p) : "0" (p) ); \
- ((GLuint *)rgba)[0] = p | 0xff000000; \
- } while (0)
-# elif defined( MESA_BIG_ENDIAN )
- /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
- * rotlwi instruction. It also produces good code on SPARC.
- */
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- *((uint32_t *) rgba) = (p << 8) | 0xff; \
- } while (0)
-# else
-# define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- rgba[0] = (p >> 16) & 0xff; \
- rgba[1] = (p >> 8) & 0xff; \
- rgba[2] = (p >> 0) & 0xff; \
- rgba[3] = 0xff; \
- } while (0)
-# endif
-
-#elif (SPANTMP_PIXEL_FMT == GL_ALPHA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_BYTE)
-
-/**
- ** GL_ALPHA, GL_UNSIGNED_BYTE
- **/
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = color[3]
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, a | (r & 0 /* quiet warnings */))
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLubyte p = GET_VALUE(_x, _y); \
- rgba[0] = 0; \
- rgba[1] = 0; \
- rgba[2] = 0; \
- rgba[3] = p; \
- } while (0)
-
-#elif (SPANTMP_MESA_FMT == MESA_FORMAT_R8)
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = color[0]
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, r)
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLubyte p = GET_VALUE(_x, _y); \
- rgba[0] = p; \
- rgba[1] = 0; \
- rgba[2] = 0; \
- rgba[3] = 0; \
- } while (0)
-
-#elif (SPANTMP_MESA_FMT == MESA_FORMAT_RG88)
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- PACK_COLOR_8888(color[0], color[1], 0, 0)
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, r)
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = p & 0xff; \
- rgba[1] = (p >> 8) & 0xff; \
- rgba[2] = 0; \
- rgba[3] = 0; \
- } while (0)
-
-#elif (SPANTMP_MESA_FMT == MESA_FORMAT_R16)
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 2 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- p = color[0]
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, r)
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLushort p = GET_VALUE(_x, _y); \
- rgba[0] = p; \
- rgba[1] = 0; \
- rgba[2] = 0; \
- rgba[3] = 0; \
- } while (0)
-
-#elif (SPANTMP_MESA_FMT == MESA_FORMAT_RG1616)
-
-#ifndef GET_VALUE
-#ifndef GET_PTR
-#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
-#endif
-
-#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
-#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
-#endif /* GET_VALUE */
-
-# define INIT_MONO_PIXEL(p, color) \
- ((color[1] << 16) | (color[0]))
-
-# define WRITE_RGBA(_x, _y, r, g, b, a) \
- PUT_VALUE(_x, _y, r)
-
-#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
-
-#define READ_RGBA( rgba, _x, _y ) \
- do { \
- GLuint p = GET_VALUE(_x, _y); \
- rgba[0] = p & 0xffff; \
- rgba[1] = (p >> 16) & 0xffff; \
- rgba[2] = 0; \
- rgba[3] = 0; \
- } while (0)
-
-#else
-#error SPANTMP_PIXEL_FMT must be set to a valid value!
-#endif
-
-
-
-/**
- ** Assembly routines.
- **/
-
-#if defined( USE_MMX_ASM ) || defined( USE_SSE_ASM )
-#include "x86/read_rgba_span_x86.h"
-#include "x86/common_x86_asm.h"
-#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;
- GLint 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;
- GLint 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();
-}
-
-
-#if defined(GET_PTR) && \
- 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)))
-static void TAG2(ReadRGBASpan,_MMX)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y, void *values)
-{
-#ifndef USE_INNER_EMMS
- /* The EMMS instruction is directly in-lined here because using GCC's
- * built-in _mm_empty function was found to utterly destroy performance.
- */
- __asm__ __volatile__( "emms" );
-#endif
-
- 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);
-
- {
- const void * src = GET_PTR( x1, y );
-#if (SPANTMP_PIXEL_FMT == GL_RGB) && \
- (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
- _generic_read_RGBA_span_RGB565_MMX( src, rgba[i], n1 );
-#else
- _generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 );
-#endif
- }
- }
- HW_ENDCLIPLOOP();
- }
- HW_READ_UNLOCK();
-#ifndef USE_INNER_EMMS
- __asm__ __volatile__( "emms" );
-#endif
-}
-#endif
-
-
-#if defined(GET_PTR) && \
- defined(USE_SSE_ASM) && \
- (SPANTMP_PIXEL_FMT == GL_BGRA) && \
- (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
-static void TAG2(ReadRGBASpan,_SSE2)( 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);
-
- {
- const void * src = GET_PTR( x1, y );
- _generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 );
- }
- }
- HW_ENDCLIPLOOP();
- }
- HW_READ_UNLOCK();
-}
-#endif
-
-#if defined(GET_PTR) && \
- defined(USE_SSE_ASM) && \
- (SPANTMP_PIXEL_FMT == GL_BGRA) && \
- (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
-static void TAG2(ReadRGBASpan,_SSE)( struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- GLuint n, GLint x, GLint y,
- void *values)
-{
-#ifndef USE_INNER_EMMS
- /* The EMMS instruction is directly in-lined here because using GCC's
- * built-in _mm_empty function was found to utterly destroy performance.
- */
- __asm__ __volatile__( "emms" );
-#endif
-
- 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);
-
- {
- const void * src = GET_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)( 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;
- GLint 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);
-
-#if defined(GET_PTR)
-#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
-#endif /* GET_PTR */
- {
- 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_VALUE
-#undef PUT_VALUE
-#undef GET_PTR
-#undef SPANTMP_PIXEL_FMT
-#undef SPANTMP_PIXEL_TYPE
-#undef SPANTMP_MESA_FMT
+/*
+ * Copyright 2000-2001 VA Linux Systems, Inc.
+ * (C) Copyright IBM Corporation 2004
+ * 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.
+ */
+
+/**
+ * \file spantmp2.h
+ *
+ * Template file of span read / write functions.
+ *
+ * \author Keith Whitwell <keithw@tungstengraphics.com>
+ * \author Gareth Hughes <gareth@nvidia.com>
+ * \author Ian Romanick <idr@us.ibm.com>
+ */
+
+#include "main/colormac.h"
+#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
+
+#if (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
+
+/**
+ ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_565( color[0], color[1], color[2] )
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, ((((int)r & 0xf8) << 8) | \
+ (((int)g & 0xfc) << 3) | \
+ (((int)b & 0xf8) >> 3))) \
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
+ rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
+ rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
+ rgba[3] = 0xff; \
+ } while (0)
+
+#elif (SPANTMP_PIXEL_FMT == GL_RGB) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5_REV)
+
+/**
+ ** GL_RGB, GL_UNSIGNED_SHORT_5_6_5_REV
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_565_REV( color[0], color[1], color[2] )
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, PACK_COLOR_565_REV( r, g, b ))
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ p = p << 8 | p >> 8; \
+ rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
+ rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
+ rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
+ rgba[3] = 0xff; \
+ } while (0)
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_4444_REV(color[3], color[0], color[1], color[2])
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, PACK_COLOR_4444_REV(a, r, g, b)) \
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ rgba[0] = ((p >> 0) & 0xf) * 0x11; \
+ rgba[1] = ((p >> 12) & 0xf) * 0x11; \
+ rgba[2] = ((p >> 4) & 0xf) * 0x11; \
+ rgba[3] = ((p >> 8) & 0xf) * 0x11; \
+ } while (0)
+
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_4_4_4_4_REV)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_SHORT_4_4_4_4_REV
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_4444(color[3], color[0], color[1], color[2])
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, PACK_COLOR_4444(a, r, g, b)) \
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ rgba[0] = ((p >> 8) & 0xf) * 0x11; \
+ rgba[1] = ((p >> 4) & 0xf) * 0x11; \
+ rgba[2] = ((p >> 0) & 0xf) * 0x11; \
+ rgba[3] = ((p >> 12) & 0xf) * 0x11; \
+ } while (0)
+
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5_REV)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5_REV
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_1555(color[3], color[0], color[1], color[2])
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, PACK_COLOR_1555(a, r, g, b)) \
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \
+ rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \
+ rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
+ rgba[3] = ((p >> 15) & 0x1) * 0xff; \
+ } while (0)
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_1_5_5_5)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_SHORT_1_5_5_5
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) (buf + (_x) * 2 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLushort *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLushort *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+#define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_1555_REV(color[3], color[0], color[1], color[2])
+
+#define WRITE_RGBA( _x, _y, r, g, b, a ) \
+ PUT_VALUE(_x, _y, PACK_COLOR_1555_REV(a, r, g, b)) \
+
+#define WRITE_PIXEL( _x, _y, p ) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = GET_VALUE(_x, _y); \
+ p = p << 8 | p >> 8; \
+ rgba[0] = ((p >> 7) & 0xf8) * 255 / 0xf8; \
+ rgba[1] = ((p >> 2) & 0xf8) * 255 / 0xf8; \
+ rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
+ rgba[3] = ((p >> 15) & 0x1) * 0xff; \
+ } while (0)
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+# define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_8888(color[3], color[0], color[1], color[2])
+
+# define WRITE_RGBA(_x, _y, r, g, b, a) \
+ PUT_VALUE(_x, _y, ((r << 16) | \
+ (g << 8) | \
+ (b << 0) | \
+ (a << 24)))
+
+#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
+
+# if defined( USE_X86_ASM )
+# define READ_RGBA(rgba, _x, _y) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ __asm__ __volatile__( "bswap %0; rorl $8, %0" \
+ : "=r" (p) : "0" (p) ); \
+ ((GLuint *)rgba)[0] = p; \
+ } while (0)
+# elif defined( MESA_BIG_ENDIAN )
+ /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
+ * rotlwi instruction. It also produces good code on SPARC.
+ */
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ GLuint t = p; \
+ *((uint32_t *) rgba) = (t >> 24) | (p << 8); \
+ } while (0)
+# else
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ rgba[0] = (p >> 16) & 0xff; \
+ rgba[1] = (p >> 8) & 0xff; \
+ rgba[2] = (p >> 0) & 0xff; \
+ rgba[3] = (p >> 24) & 0xff; \
+ } while (0)
+# endif
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8)
+
+/**
+ ** GL_BGRA, GL_UNSIGNED_INT_8_8_8_8
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+# define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_8888(color[2], color[1], color[0], color[3])
+
+# define WRITE_RGBA(_x, _y, r, g, b, a) \
+ PUT_VALUE(_x, _y, ((r << 8) | \
+ (g << 16) | \
+ (b << 24) | \
+ (a << 0)))
+
+#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
+
+# if defined( USE_X86_ASM )
+# define READ_RGBA(rgba, _x, _y) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ __asm__ __volatile__( "rorl $8, %0" \
+ : "=r" (p) : "0" (p) ); \
+ ((GLuint *)rgba)[0] = p; \
+ } while (0)
+# elif defined( MESA_BIG_ENDIAN )
+ /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
+ * rotlwi instruction. It also produces good code on SPARC.
+ */
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = CPU_TO_LE32(GET_VALUE(_x, _y)); \
+ GLuint t = p; \
+ *((uint32_t *) rgba) = (t >> 24) | (p << 8); \
+ } while (0)
+# else
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ rgba[0] = (p >> 8) & 0xff; \
+ rgba[1] = (p >> 16) & 0xff; \
+ rgba[2] = (p >> 24) & 0xff; \
+ rgba[3] = (p >> 0) & 0xff; \
+ } while (0)
+# endif
+
+#elif (SPANTMP_PIXEL_FMT == GL_BGR) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
+
+/**
+ ** GL_BGR, GL_UNSIGNED_INT_8_8_8_8_REV
+ **
+ ** This is really for MESA_FORMAT_XRGB8888. The spantmp code needs to be
+ ** kicked to the curb, and we need to just code-gen this.
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLuint *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLuint *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+# define INIT_MONO_PIXEL(p, color) \
+ p = PACK_COLOR_8888(0xff, color[0], color[1], color[2])
+
+# define WRITE_RGBA(_x, _y, r, g, b, a) \
+ PUT_VALUE(_x, _y, ((r << 16) | \
+ (g << 8) | \
+ (b << 0) | \
+ (0xff << 24)))
+
+#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
+
+# if defined( USE_X86_ASM )
+# define READ_RGBA(rgba, _x, _y) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ __asm__ __volatile__( "bswap %0; rorl $8, %0" \
+ : "=r" (p) : "0" (p) ); \
+ ((GLuint *)rgba)[0] = p | 0xff000000; \
+ } while (0)
+# elif defined( MESA_BIG_ENDIAN )
+ /* On PowerPC with GCC 3.4.2 the shift madness below becomes a single
+ * rotlwi instruction. It also produces good code on SPARC.
+ */
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ *((uint32_t *) rgba) = (p << 8) | 0xff; \
+ } while (0)
+# else
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = GET_VALUE(_x, _y); \
+ rgba[0] = (p >> 16) & 0xff; \
+ rgba[1] = (p >> 8) & 0xff; \
+ rgba[2] = (p >> 0) & 0xff; \
+ rgba[3] = 0xff; \
+ } while (0)
+# endif
+
+#elif (SPANTMP_PIXEL_FMT == GL_ALPHA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_BYTE)
+
+/**
+ ** GL_ALPHA, GL_UNSIGNED_BYTE
+ **/
+
+#ifndef GET_VALUE
+#ifndef GET_PTR
+#define GET_PTR(_x, _y) ( buf + (_x) + (_y) * pitch)
+#endif
+
+#define GET_VALUE(_x, _y) *(volatile GLubyte *)(GET_PTR(_x, _y))
+#define PUT_VALUE(_x, _y, _v) *(volatile GLubyte *)(GET_PTR(_x, _y)) = (_v)
+#endif /* GET_VALUE */
+
+# define INIT_MONO_PIXEL(p, color) \
+ p = color[3]
+
+# define WRITE_RGBA(_x, _y, r, g, b, a) \
+ PUT_VALUE(_x, _y, a | (r & 0 /* quiet warnings */))
+
+#define WRITE_PIXEL(_x, _y, p) PUT_VALUE(_x, _y, p)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLubyte p = GET_VALUE(_x, _y); \
+ rgba[0] = 0; \
+ rgba[1] = 0; \
+ rgba[2] = 0; \
+ rgba[3] = p; \
+ } while (0)
+
+#else
+#error SPANTMP_PIXEL_FMT must be set to a valid value!
+#endif
+
+
+
+/**
+ ** Assembly routines.
+ **/
+
+#if defined( USE_MMX_ASM ) || defined( USE_SSE_ASM )
+#include "x86/read_rgba_span_x86.h"
+#include "x86/common_x86_asm.h"
+#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;
+ GLint 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;
+ GLint 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();
+}
+
+
+#if defined(GET_PTR) && \
+ 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)))
+static void TAG2(ReadRGBASpan,_MMX)( struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y, void *values)
+{
+#ifndef USE_INNER_EMMS
+ /* The EMMS instruction is directly in-lined here because using GCC's
+ * built-in _mm_empty function was found to utterly destroy performance.
+ */
+ __asm__ __volatile__( "emms" );
+#endif
+
+ 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);
+
+ {
+ const void * src = GET_PTR( x1, y );
+#if (SPANTMP_PIXEL_FMT == GL_RGB) && \
+ (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_SHORT_5_6_5)
+ _generic_read_RGBA_span_RGB565_MMX( src, rgba[i], n1 );
+#else
+ _generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 );
+#endif
+ }
+ }
+ HW_ENDCLIPLOOP();
+ }
+ HW_READ_UNLOCK();
+#ifndef USE_INNER_EMMS
+ __asm__ __volatile__( "emms" );
+#endif
+}
+#endif
+
+
+#if defined(GET_PTR) && \
+ defined(USE_SSE_ASM) && \
+ (SPANTMP_PIXEL_FMT == GL_BGRA) && \
+ (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
+static void TAG2(ReadRGBASpan,_SSE2)( 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);
+
+ {
+ const void * src = GET_PTR( x1, y );
+ _generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 );
+ }
+ }
+ HW_ENDCLIPLOOP();
+ }
+ HW_READ_UNLOCK();
+}
+#endif
+
+#if defined(GET_PTR) && \
+ defined(USE_SSE_ASM) && \
+ (SPANTMP_PIXEL_FMT == GL_BGRA) && \
+ (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
+static void TAG2(ReadRGBASpan,_SSE)( struct gl_context *ctx,
+ struct gl_renderbuffer *rb,
+ GLuint n, GLint x, GLint y,
+ void *values)
+{
+#ifndef USE_INNER_EMMS
+ /* The EMMS instruction is directly in-lined here because using GCC's
+ * built-in _mm_empty function was found to utterly destroy performance.
+ */
+ __asm__ __volatile__( "emms" );
+#endif
+
+ 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);
+
+ {
+ const void * src = GET_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)( 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;
+ GLint 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);
+
+#if defined(GET_PTR)
+#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
+#endif /* GET_PTR */
+ {
+ 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_VALUE
+#undef PUT_VALUE
+#undef GET_PTR
+#undef SPANTMP_PIXEL_FMT
+#undef SPANTMP_PIXEL_TYPE
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 22:01:50 +0000