From f18598cbd2802e61c2cbb1d610630da9b5951169 Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Fri, 30 Jan 2004 23:26:19 +0000 Subject: Via Unichrome/cle266 driver (Erdi Chen) --- src/mesa/drivers/dri/unichrome/via_span.c | 410 ++++++++++++++++++++++++++++++ 1 file changed, 410 insertions(+) create mode 100644 src/mesa/drivers/dri/unichrome/via_span.c (limited to 'src/mesa/drivers/dri/unichrome/via_span.c') diff --git a/src/mesa/drivers/dri/unichrome/via_span.c b/src/mesa/drivers/dri/unichrome/via_span.c new file mode 100644 index 0000000000..fb5a82a797 --- /dev/null +++ b/src/mesa/drivers/dri/unichrome/via_span.c @@ -0,0 +1,410 @@ +/* + * 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 +#if 0 +#define LOCAL_VARS \ + viaContextPtr vmesa = VIA_CONTEXT(ctx); \ + __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 +#endif + +#define LOCAL_DEPTH_VARS \ + viaContextPtr vmesa = VIA_CONTEXT(ctx); \ + __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*/ + +#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 & BACK_LEFT_BIT) { \ + 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 \ + viaContextPtr vmesa = VIA_CONTEXT(ctx); \ + __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 \ + viaContextPtr vmesa = VIA_CONTEXT(ctx); \ + __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 & BACK_LEFT_BIT) { \ + 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 \ + viaContextPtr vmesa = VIA_CONTEXT(ctx); \ + __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" +*/ + + +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 == 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 == 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 +} -- cgit v1.2.3