/* * Copyright 1998-2003 VIA Technologies, Inc. All Rights Reserved. * Copyright 2001-2003 S3 Graphics, Inc. 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 * 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 * VIA, S3 GRAPHICS, AND/OR ITS 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. */ #include "glheader.h" #include "macros.h" #include "mtypes.h" #include "colormac.h" #include "via_context.h" #include "via_span.h" #include "via_ioctl.h" #include "swrast/swrast.h" #define DBG 0 #define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ viaScreenPrivate *viaScreen = vmesa->viaScreen; \ GLuint pitch = vmesa->drawPitch; \ GLuint height = dPriv->h; \ GLushort p; \ char *buf = (char *)(vmesa->drawMap + \ dPriv->x * viaScreen->bytesPerPixel + \ dPriv->y * pitch); \ char *read_buf = (char *)(vmesa->readMap + \ dPriv->x * viaScreen->bytesPerPixel + \ dPriv->y * pitch); \ (void)read_buf; (void)buf; (void)p #define LOCAL_DEPTH_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ viaScreenPrivate *viaScreen = vmesa->viaScreen; \ GLuint pitch = viaScreen->backPitch; \ GLuint height = dPriv->h; \ char *buf = (char *)(vmesa->depth.map + \ dPriv->x * 2 + \ dPriv->y * pitch) #define CLIPPIXEL(_x,_y) (_x >= minx && _x < maxx && \ _y >= miny && _y < maxy) #define CLIPSPAN(_x, _y, _n, _x1, _n1, _i) \ if (_y < miny || _y >= maxy) { \ _n1 = 0, _x1 = x; \ } \ else { \ _n1 = _n; \ _x1 = _x; \ if (_x1 < minx) _i += (minx -_x1), n1 -= (minx -_x1), _x1 = minx; \ if (_x1 + _n1 >= maxx) n1 -= (_x1 + n1 - maxx); \ } #define Y_FLIP(_y) (height - _y - 1) #define HW_LOCK() \ viaContextPtr vmesa = VIA_CONTEXT(ctx); \ LOCK_HARDWARE_QUIESCENT(vmesa); /*=* [DBG] csmash saam : bitmap option menu can't be drawn in saam *=*/ /*#define HW_CLIPLOOP() \ do { \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ int _nc = dPriv->numClipRects; \ while (_nc--) { \ int minx = dPriv->pClipRects[_nc].x1 - dPriv->x; \ int miny = dPriv->pClipRects[_nc].y1 - dPriv->y; \ int maxx = dPriv->pClipRects[_nc].x2 - dPriv->x; \ int maxy = dPriv->pClipRects[_nc].y2 - dPriv->y;*/ #define HW_CLIPLOOP() \ do { \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ int _nc = dPriv->numClipRects; \ GLuint scrn = vmesa->saam & S_MASK; \ if(scrn == S1) _nc = 1; \ while (_nc--) { \ int minx; \ int miny; \ int maxx; \ int maxy; \ if (!vmesa->saam) { \ minx = dPriv->pClipRects[_nc].x1 - dPriv->x; \ miny = dPriv->pClipRects[_nc].y1 - dPriv->y; \ maxx = dPriv->pClipRects[_nc].x2 - dPriv->x; \ maxy = dPriv->pClipRects[_nc].y2 - dPriv->y; \ } \ else { \ minx = -10000; \ miny = -10000; \ maxx = 10000; \ maxy = 10000; \ } /*else if (scrn == S0) { \ minx = dPriv->pClipRects[_nc].x1 - dPriv->x; \ miny = dPriv->pClipRects[_nc].y1 - dPriv->y; \ maxx = dPriv->pClipRects[_nc].x2 - dPriv->x; \ maxy = dPriv->pClipRects[_nc].y2 - dPriv->y; \ } \ else if (scrn == S1) { \ drm_clip_rect_t *b = vmesa->sarea->boxes; \ minx = b->x1; \ miny = b->y1; \ maxx = b->x2; \ maxy = b->y2; \ } \ else { \ drm_clip_rect_t *b = vmesa->sarea->boxes + vmesa->numClipRects;\ minx = b->x1; \ miny = b->y1; \ maxx = b->x2; \ maxy = b->y2; \ }*/ #define HW_ENDCLIPLOOP() \ } \ } while (0) #define HW_UNLOCK() \ UNLOCK_HARDWARE(vmesa); /* 16 bit, 565 rgb color spanline and pixel functions */ /*=* [DBG] csmash : fix options worng position *=*/ /*#define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ GLuint pitch = vmesa->drawPitch; \ GLuint height = dPriv->h; \ GLushort p; \ char *buf = (char *)(vmesa->drawMap + \ dPriv->x * 2 + \ dPriv->y * pitch); \ char *read_buf = (char *)(vmesa->readMap + \ dPriv->x * 2 + \ dPriv->y * pitch); \ (void)read_buf; (void)buf; (void)p*/ #undef LOCAL_VARS #define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ GLuint pitch = vmesa->drawPitch; \ GLuint height = dPriv->h; \ GLushort p; \ char *buf, *read_buf; \ p = 0; \ if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) { \ buf = (char *)(vmesa->drawMap); \ read_buf = (char *)(vmesa->readMap); \ } \ else { \ buf = (char *)(vmesa->drawMap + \ dPriv->x * 2 + \ dPriv->y * pitch); \ read_buf = (char *)(vmesa->readMap + \ dPriv->x * 2 + \ dPriv->y * pitch); \ } #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) \ *(GLushort *)(buf + _x * 2 + _y * pitch) = ((((int)r & 0xf8) << 8) | \ (((int)g & 0xfc) << 3) | \ (((int)b & 0xf8) >> 3)) #define WRITE_PIXEL(_x, _y, p) \ *(GLushort *)(buf + _x * 2 + _y * pitch) = p #define READ_RGBA(rgba, _x, _y) \ do { \ GLushort p = *(GLushort *)(read_buf + _x * 2 + _y * pitch); \ rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \ rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \ rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \ rgba[3] = 255; \ } while (0) #define TAG(x) via##x##_565 #include "spantmp.h" /* 32 bit, 8888 argb color spanline and pixel functions */ #undef LOCAL_VARS #undef LOCAL_DEPTH_VARS /*=* [DBG] csmash : fix options worng position *=*/ /*#define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ GLuint pitch = vmesa->drawPitch; \ GLuint height = dPriv->h; \ GLuint p; \ char *buf = (char *)(vmesa->drawMap + \ dPriv->x * 4 + \ dPriv->y * pitch); \ char *read_buf = (char *)(vmesa->readMap + \ dPriv->x * 4 + \ dPriv->y * pitch); \ (void)read_buf; (void)buf; (void)p*/ #define LOCAL_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ GLuint pitch = vmesa->drawPitch; \ GLuint height = dPriv->h; \ GLuint p; \ char *buf, *read_buf; \ p = 0; \ if (vmesa->glCtx->Color._DrawDestMask == __GL_BACK_BUFFER_MASK) { \ buf = (char *)(vmesa->drawMap); \ read_buf = (char *)(vmesa->readMap); \ } \ else { \ buf = (char *)(vmesa->drawMap + \ dPriv->x * 4 + \ dPriv->y * pitch); \ read_buf = (char *)(vmesa->readMap + \ dPriv->x * 4 + \ dPriv->y * pitch); \ } #undef INIT_MONO_PIXEL #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) \ *(GLuint *)(buf + _x * 4 + _y * pitch) = ((r << 16) | \ (g << 8) | \ (b << 0) | \ (a << 24)); #define WRITE_PIXEL(_x, _y, p) \ *(GLuint *)(buf + _x * 4 + _y * pitch) = p #define READ_RGBA(rgba, _x, _y) \ do { \ GLuint p = *(GLuint *)(read_buf + _x * 4 + _y * pitch); \ rgba[0] = (p >> 16) & 0xff; \ rgba[1] = (p >> 8) & 0xff; \ rgba[2] = (p >> 0) & 0xff; \ rgba[3] = 255; \ } while (0) #define TAG(x) via##x##_8888 #include "spantmp.h" /*#include "via_spantmp.h"*/ /* 16 bit depthbuffer functions. */ /*=* John Sheng [2003.6.16] fix exy press 'i' dirty screen *=*/ /*#define LOCAL_DEPTH_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ GLuint pitch = vmesa->depth.pitch; \ GLuint height = dPriv->h; \ char *buf = (char *)(vmesa->depth.map + \ dPriv->x * 2 + \ dPriv->y * pitch) */ #define LOCAL_DEPTH_VARS \ __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ /*viaScreenPrivate *viaScreen = vmesa->viaScreen;*/ \ GLuint pitch = vmesa->depth.pitch; \ GLuint height = dPriv->h; \ char *buf = (char *)(vmesa->depth.map) #define WRITE_DEPTH(_x, _y, d) \ *(GLushort *)(buf + _x * 2 + _y * pitch) = d; #define READ_DEPTH(d, _x, _y) \ d = *(GLushort *)(buf + _x * 2 + _y * pitch); #define TAG(x) via##x##_16 #include "depthtmp.h" /* 32 bit depthbuffer functions. */ #define WRITE_DEPTH(_x, _y, d) \ *(GLuint *)(buf + _x * 4 + _y * pitch) = d; #define READ_DEPTH(d, _x, _y) \ d = *(GLuint *)(buf + _x * 4 + _y * pitch); #define TAG(x) via##x##_32 #include "depthtmp.h" /* 24/8 bit depthbuffer functions. */ /* #define WRITE_DEPTH(_x, _y, d) { \ GLuint tmp = *(GLuint *)(buf + _x * 4 + y * pitch); \ tmp &= 0xff; \ tmp |= (d) & 0xffffff00; \ *(GLuint *)(buf + _x * 4 + _y * pitch) = tmp; \ #define READ_DEPTH(d, _x, _y) \ d = (*(GLuint *)(buf + _x * 4 + _y * pitch) & ~0xff) >> 8; #define TAG(x) via##x##_24_8 #include "depthtmp.h" */ static void viaSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer, GLuint bufferBit) { viaContextPtr vmesa = VIA_CONTEXT(ctx); #ifdef DEBUG if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); #endif if (bufferBit == DD_FRONT_LEFT_BIT) { vmesa->drawMap = (char *)vmesa->driScreen->pFB; vmesa->readMap = (char *)vmesa->driScreen->pFB; vmesa->drawPitch = vmesa->front.pitch; vmesa->readPitch = vmesa->front.pitch; } else if (bufferBit == DD_BACK_LEFT_BIT) { vmesa->drawMap = vmesa->back.map; vmesa->readMap = vmesa->back.map; vmesa->drawPitch = vmesa->back.pitch; vmesa->readPitch = vmesa->back.pitch; } else { ASSERT(0); } #ifdef DEBUG if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); #endif } void viaInitSpanFuncs(GLcontext *ctx) { viaContextPtr vmesa = VIA_CONTEXT(ctx); struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); swdd->SetBuffer = viaSetBuffer; #ifdef DEBUG if (VIA_DEBUG) fprintf(stderr, "%s in\n", __FUNCTION__); #endif if (vmesa->viaScreen->bitsPerPixel == 0x10) { swdd->WriteRGBASpan = viaWriteRGBASpan_565; swdd->WriteRGBSpan = viaWriteRGBSpan_565; swdd->WriteMonoRGBASpan = viaWriteMonoRGBASpan_565; swdd->WriteRGBAPixels = viaWriteRGBAPixels_565; swdd->WriteMonoRGBAPixels = viaWriteMonoRGBAPixels_565; swdd->ReadRGBASpan = viaReadRGBASpan_565; swdd->ReadRGBAPixels = viaReadRGBAPixels_565; } else if (vmesa->viaScreen->bitsPerPixel == 0x20) { swdd->WriteRGBASpan = viaWriteRGBASpan_8888; swdd->WriteRGBSpan = viaWriteRGBSpan_8888; swdd->WriteMonoRGBASpan = viaWriteMonoRGBASpan_8888; swdd->WriteRGBAPixels = viaWriteRGBAPixels_8888; swdd->WriteMonoRGBAPixels = viaWriteMonoRGBAPixels_8888; swdd->ReadRGBASpan = viaReadRGBASpan_8888; swdd->ReadRGBAPixels = viaReadRGBAPixels_8888; } else ASSERT(0); if (vmesa->glCtx->Visual.depthBits == 0x10) { swdd->ReadDepthSpan = viaReadDepthSpan_16; swdd->WriteDepthSpan = viaWriteDepthSpan_16; swdd->ReadDepthPixels = viaReadDepthPixels_16; swdd->WriteDepthPixels = viaWriteDepthPixels_16; } else if (vmesa->glCtx->Visual.depthBits == 0x20) { swdd->ReadDepthSpan = viaReadDepthSpan_32; swdd->WriteDepthSpan = viaWriteDepthSpan_32; swdd->ReadDepthPixels = viaReadDepthPixels_32; swdd->WriteDepthPixels = viaWriteDepthPixels_32; } swdd->WriteCI8Span = NULL; swdd->WriteCI32Span = NULL; swdd->WriteMonoCISpan = NULL; swdd->WriteCI32Pixels = NULL; swdd->WriteMonoCIPixels = NULL; swdd->ReadCI32Span = NULL; swdd->ReadCI32Pixels = NULL; #ifdef DEBUG if (VIA_DEBUG) fprintf(stderr, "%s out\n", __FUNCTION__); #endif }