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Diffstat (limited to 'src/mesa/drivers/dri/common/spantmp2.h')
-rw-r--r--src/mesa/drivers/dri/common/spantmp2.h564
1 files changed, 564 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/common/spantmp2.h b/src/mesa/drivers/dri/common/spantmp2.h
new file mode 100644
index 00000000000..ce0a66de702
--- /dev/null
+++ b/src/mesa/drivers/dri/common/spantmp2.h
@@ -0,0 +1,564 @@
+/*
+ * 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 <[email protected]>
+ * \author Gareth Hughes <[email protected]>
+ * \author Ian Romanick <[email protected]>
+ */
+
+#include "colormac.h"
+
+#ifndef DBG
+#define DBG 0
+#endif
+
+#ifndef HW_WRITE_LOCK
+#define HW_WRITE_LOCK() HW_LOCK()
+#endif
+
+#ifndef HW_WRITE_UNLOCK
+#define HW_WRITE_UNLOCK() HW_UNLOCK()
+#endif
+
+#ifndef HW_READ_LOCK
+#define HW_READ_LOCK() HW_LOCK()
+#endif
+
+#ifndef HW_READ_UNLOCK
+#define HW_READ_UNLOCK() HW_UNLOCK()
+#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)
+
+#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 ) \
+ do { \
+ GLshort * _p = (GLshort *) GET_DST_PTR(_x, _y); \
+ _p[0] = ((((int)r & 0xf8) << 8) | (((int)g & 0xfc) << 3) | \
+ (((int)b & 0xf8) >> 3)); \
+ } while(0)
+
+#define WRITE_PIXEL( _x, _y, p ) \
+ do { \
+ GLushort * _p = (GLushort *) GET_DST_PTR(_x, _y); \
+ _p[0] = p; \
+ } while(0)
+
+#define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLushort p = *(volatile GLshort *) GET_SRC_PTR(_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_BGRA) && (SPANTMP_PIXEL_TYPE == GL_UNSIGNED_INT_8_8_8_8_REV)
+
+# 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) \
+ do { \
+ GLuint * _p = (GLuint *) GET_DST_PTR(_x, _y); \
+ _p[0] = ((r << 16) | (g << 8) | (b << 0) | (a << 24)); \
+ } while(0)
+
+#define WRITE_PIXEL(_x, _y, p) \
+ do { \
+ GLuint * _p = (GLuint *) GET_DST_PTR(_x, _y); \
+ _p[0] = p; \
+ } while(0)
+
+# if defined( USE_X86_ASM )
+# define READ_RGBA(rgba, _x, _y) \
+ do { \
+ GLuint p = *(volatile GLuint *) GET_SRC_PTR(_x, _y); \
+ __asm__ __volatile__( "bswap %0; rorl $8, %0" \
+ : "=r" (p) : "r" (p) ); \
+ ((GLuint *)rgba)[0] = p; \
+ } while (0)
+# else
+# define READ_RGBA( rgba, _x, _y ) \
+ do { \
+ GLuint p = *(volatile GLuint *) GET_SRC_PTR(_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
+
+#else
+#error SPANTMP_PIXEL_FMT must be set to a valid value!
+#endif
+
+#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)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ HW_WRITE_LOCK()
+ {
+ 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)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLubyte rgb[][3],
+ const GLubyte mask[] )
+{
+ HW_WRITE_LOCK()
+ {
+ 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)( const GLcontext *ctx,
+ GLuint n,
+ const GLint x[],
+ const GLint y[],
+ const GLubyte rgba[][4],
+ const GLubyte mask[] )
+{
+ HW_WRITE_LOCK()
+ {
+ 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)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ const GLchan color[4],
+ const GLubyte mask[] )
+{
+ HW_WRITE_LOCK()
+ {
+ 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)( const GLcontext *ctx,
+ GLuint n,
+ const GLint x[], const GLint y[],
+ const GLchan color[],
+ const GLubyte mask[] )
+{
+ HW_WRITE_LOCK()
+ {
+ 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)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+ HW_READ_LOCK()
+ {
+ 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(USE_MMX_ASM)
+static void TAG2(ReadRGBASpan,_MMX)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+#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_LOCK()
+ {
+ 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 char * src = (read_buf + x1*4 + y*pitch);
+ _generic_read_RGBA_span_BGRA8888_REV_MMX( src, rgba[i], n1 );
+ }
+ }
+ HW_ENDCLIPLOOP();
+ }
+ HW_UNLOCK();
+#ifndef USE_INNER_EMMS
+ __asm__ __volatile__( "emms" );
+#endif
+}
+#endif
+
+
+#if defined(USE_SSE_ASM)
+static void TAG2(ReadRGBASpan,_SSE2)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+ HW_LOCK()
+ {
+ 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 char * src = (read_buf + x1*4 + y*pitch);
+ _generic_read_RGBA_span_BGRA8888_REV_SSE2( src, rgba[i], n1 );
+ }
+ }
+ HW_ENDCLIPLOOP();
+ }
+ HW_UNLOCK();
+}
+#endif
+
+#if defined(USE_SSE_ASM)
+static void TAG2(ReadRGBASpan,_SSE)( const GLcontext *ctx,
+ GLuint n, GLint x, GLint y,
+ GLubyte rgba[][4])
+{
+#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_LOCK()
+ {
+ 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 char * src = (read_buf + x1*4 + y*pitch);
+ _generic_read_RGBA_span_BGRA8888_REV_SSE( src, rgba[i], n1 );
+ }
+ }
+ HW_ENDCLIPLOOP();
+ }
+ HW_UNLOCK();
+#ifndef USE_INNER_EMMS
+ __asm__ __volatile__( "emms" );
+#endif
+}
+#endif
+
+
+static void TAG(ReadRGBAPixels)( const GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ GLubyte rgba[][4], const GLubyte mask[] )
+{
+ HW_READ_LOCK()
+ {
+ 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 swrast_device_driver *swdd)
+{
+ swdd->WriteRGBASpan = TAG(WriteRGBASpan);
+ swdd->WriteRGBSpan = TAG(WriteRGBSpan);
+ swdd->WriteMonoRGBASpan = TAG(WriteMonoRGBASpan);
+ swdd->WriteRGBAPixels = TAG(WriteRGBAPixels);
+ swdd->WriteMonoRGBAPixels = TAG(WriteMonoRGBAPixels);
+ swdd->ReadRGBAPixels = TAG(ReadRGBAPixels);
+
+#if defined(USE_SSE_ASM)
+ if ( cpu_has_xmm2 ) {
+ if (DBG) fprintf( stderr, "Using %s version of ReadRGBASpan\n", "SSE2" );
+ swdd->ReadRGBASpan = TAG2(ReadRGBASpan, _SSE2);
+ }
+ else
+#endif
+#if defined(USE_SSE_ASM)
+ if ( cpu_has_xmm ) {
+ if (DBG) fprintf( stderr, "Using %s version of ReadRGBASpan\n", "SSE" );
+ swdd->ReadRGBASpan = TAG2(ReadRGBASpan, _SSE);
+ }
+ else
+#endif
+#if defined(USE_MMX_ASM)
+ if ( cpu_has_mmx ) {
+ if (DBG) fprintf( stderr, "Using %s version of ReadRGBASpan\n", "MMX" );
+ swdd->ReadRGBASpan = TAG2(ReadRGBASpan, _MMX);
+ }
+ else
+#endif
+ {
+ if (DBG) fprintf( stderr, "Using %s version of ReadRGBASpan\n", "C" );
+ swdd->ReadRGBASpan = 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
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