diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c | 379 |
1 files changed, 379 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c new file mode 100644 index 000000000..3522f4f38 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/i915/intel_span.c @@ -0,0 +1,379 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * 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 TUNGSTEN 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 "intel_screen.h" + +#include "intel_span.h" +#include "intel_ioctl.h" +#include "swrast/swrast.h" + + +#define DBG 0 + +#define LOCAL_VARS \ + intelContextPtr intel = INTEL_CONTEXT(ctx); \ + __DRIdrawablePrivate *dPriv = intel->driDrawable; \ + intelScreenPrivate *intelScreen = intel->intelScreen; \ + GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(intel->drawMap + \ + dPriv->x * intelScreen->cpp + \ + dPriv->y * pitch); \ + char *read_buf = (char *)(intel->readMap + \ + dPriv->x * intelScreen->cpp + \ + dPriv->y * pitch); \ + GLushort p; \ + (void) read_buf; (void) buf; (void) p + +#define LOCAL_DEPTH_VARS \ + intelContextPtr intel = INTEL_CONTEXT(ctx); \ + __DRIdrawablePrivate *dPriv = intel->driDrawable; \ + intelScreenPrivate *intelScreen = intel->intelScreen; \ + GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(intelScreen->depth.map + \ + dPriv->x * intelScreen->cpp + \ + dPriv->y * pitch) + +#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS + +#define INIT_MONO_PIXEL(p,color)\ + p = INTEL_PACKCOLOR565(color[0],color[1],color[2]) + +#define Y_FLIP(_y) (height - _y - 1) + +#define HW_LOCK() + +#define HW_UNLOCK() + +/* 16 bit, 565 rgb color spanline and pixel functions + */ +#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 >> 11) & 0x1f) * 255) / 31; \ + rgba[1] = (((p >> 5) & 0x3f) * 255) / 63; \ + rgba[2] = (((p >> 0) & 0x1f) * 255) / 31; \ + rgba[3] = 255; \ +} while(0) + +#define TAG(x) intel##x##_565 +#include "spantmp.h" + +/* 15 bit, 555 rgb color spanline and pixel functions + */ +#define WRITE_RGBA( _x, _y, r, g, b, a ) \ + *(GLushort *)(buf + _x*2 + _y*pitch) = (((r & 0xf8) << 7) | \ + ((g & 0xf8) << 3) | \ + ((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 >> 7) & 0xf8; \ + rgba[1] = (p >> 3) & 0xf8; \ + rgba[2] = (p << 3) & 0xf8; \ + rgba[3] = 255; \ +} while(0) + +#define TAG(x) intel##x##_555 +#include "spantmp.h" + +/* 16 bit depthbuffer functions. + */ +#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) intel##x##_16 +#include "depthtmp.h" + + +#undef LOCAL_VARS +#define LOCAL_VARS \ + intelContextPtr intel = INTEL_CONTEXT(ctx); \ + __DRIdrawablePrivate *dPriv = intel->driDrawable; \ + intelScreenPrivate *intelScreen = intel->intelScreen; \ + GLuint pitch = intelScreen->backPitch * intelScreen->cpp; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(intel->drawMap + \ + dPriv->x * intelScreen->cpp + \ + dPriv->y * pitch); \ + char *read_buf = (char *)(intel->readMap + \ + dPriv->x * intelScreen->cpp + \ + dPriv->y * pitch); \ + GLuint p; \ + (void) read_buf; (void) buf; (void) p + +#undef INIT_MONO_PIXEL +#define INIT_MONO_PIXEL(p,color)\ + p = INTEL_PACKCOLOR8888(color[0],color[1],color[2],color[3]) + +/* 32 bit, 8888 argb color spanline and pixel functions + */ +#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] = (p >> 24) & 0xff; \ + } while (0) + +#define TAG(x) intel##x##_8888 +#include "spantmp.h" + + +/* 24/8 bit interleaved depth/stencil functions + */ +#define WRITE_DEPTH( _x, _y, d ) { \ + GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); \ + tmp &= 0xff000000; \ + tmp |= (d) & 0xffffff; \ + *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = tmp; \ +} + +#define READ_DEPTH( d, _x, _y ) \ + d = *(GLuint *)(buf + (_x)*4 + (_y)*pitch) & 0xffffff; + + +#define TAG(x) intel##x##_24_8 +#include "depthtmp.h" + +#define WRITE_STENCIL( _x, _y, d ) { \ + GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*pitch); \ + tmp &= 0xffffff; \ + tmp |= ((d)<<24); \ + *(GLuint *)(buf + (_x)*4 + (_y)*pitch) = tmp; \ +} + +#define READ_STENCIL( d, _x, _y ) \ + d = *(GLuint *)(buf + (_x)*4 + (_y)*pitch) >> 24; + +#define TAG(x) intel##x##_24_8 +#include "stenciltmp.h" + + +/* + * This function is called to specify which buffer to read and write + * for software rasterization (swrast) fallbacks. This doesn't necessarily + * correspond to glDrawBuffer() or glReadBuffer() calls. + */ +static void intelSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer, + GLuint bufferBit) +{ + intelContextPtr intel = INTEL_CONTEXT(ctx); + if (bufferBit == BUFFER_BIT_FRONT_LEFT) { + intel->drawMap = (char *)intel->driScreen->pFB; + intel->readMap = (char *)intel->driScreen->pFB; + } else if (bufferBit == BUFFER_BIT_BACK_LEFT) { + intel->drawMap = intel->intelScreen->back.map; + intel->readMap = intel->intelScreen->back.map; + } else { + ASSERT(0); + } +} + + +/* Move locking out to get reasonable span performance. + */ +void intelSpanRenderStart( GLcontext *ctx ) +{ + intelContextPtr intel = INTEL_CONTEXT(ctx); + + intelFlush(&intel->ctx); + LOCK_HARDWARE(intel); + intelWaitForIdle(intel); +} + +void intelSpanRenderFinish( GLcontext *ctx ) +{ + intelContextPtr intel = INTEL_CONTEXT( ctx ); + _swrast_flush( ctx ); + UNLOCK_HARDWARE( intel ); +} + +void intelInitSpanFuncs( GLcontext *ctx ) +{ + intelContextPtr intel = INTEL_CONTEXT(ctx); + intelScreenPrivate *intelScreen = intel->intelScreen; + + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); + + swdd->SetBuffer = intelSetBuffer; + + switch (intelScreen->fbFormat) { + case DV_PF_555: +#if 0 + swdd->WriteRGBASpan = intelWriteRGBASpan_555; + swdd->WriteRGBSpan = intelWriteRGBSpan_555; + swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_555; + swdd->WriteRGBAPixels = intelWriteRGBAPixels_555; + swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_555; + swdd->ReadRGBASpan = intelReadRGBASpan_555; + swdd->ReadRGBAPixels = intelReadRGBAPixels_555; + swdd->ReadDepthSpan = intelReadDepthSpan_16; + swdd->WriteDepthSpan = intelWriteDepthSpan_16; + swdd->ReadDepthPixels = intelReadDepthPixels_16; + swdd->WriteDepthPixels = intelWriteDepthPixels_16; +#endif + break; + + case DV_PF_565: +#if 0 + swdd->WriteRGBASpan = intelWriteRGBASpan_565; + swdd->WriteRGBSpan = intelWriteRGBSpan_565; + swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_565; + swdd->WriteRGBAPixels = intelWriteRGBAPixels_565; + swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_565; + swdd->ReadRGBASpan = intelReadRGBASpan_565; + swdd->ReadRGBAPixels = intelReadRGBAPixels_565; + swdd->ReadDepthSpan = intelReadDepthSpan_16; + swdd->WriteDepthSpan = intelWriteDepthSpan_16; + swdd->ReadDepthPixels = intelReadDepthPixels_16; + swdd->WriteDepthPixels = intelWriteDepthPixels_16; +#endif + break; + + case DV_PF_8888: +#if 0 + swdd->WriteRGBASpan = intelWriteRGBASpan_8888; + swdd->WriteRGBSpan = intelWriteRGBSpan_8888; + swdd->WriteMonoRGBASpan = intelWriteMonoRGBASpan_8888; + swdd->WriteRGBAPixels = intelWriteRGBAPixels_8888; + swdd->WriteMonoRGBAPixels = intelWriteMonoRGBAPixels_8888; + swdd->ReadRGBASpan = intelReadRGBASpan_8888; + swdd->ReadRGBAPixels = intelReadRGBAPixels_8888; + swdd->ReadDepthSpan = intelReadDepthSpan_24_8; + swdd->WriteDepthSpan = intelWriteDepthSpan_24_8; + swdd->ReadDepthPixels = intelReadDepthPixels_24_8; + swdd->WriteDepthPixels = intelWriteDepthPixels_24_8; + + swdd->WriteStencilSpan = intelWriteStencilSpan_24_8; + swdd->ReadStencilSpan = intelReadStencilSpan_24_8; + swdd->WriteStencilPixels = intelWriteStencilPixels_24_8; + swdd->ReadStencilPixels = intelReadStencilPixels_24_8; +#endif + break; + } + + swdd->SpanRenderStart = intelSpanRenderStart; + swdd->SpanRenderFinish = intelSpanRenderFinish; +} + + +/** + * Plug in the Get/Put routines for the given driRenderbuffer. + */ +void +intelSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) +{ + if (drb->Base.InternalFormat == GL_RGBA) { + if (vis->redBits == 5 && vis->greenBits == 5 && vis->blueBits == 5) { + drb->Base.GetRow = intelReadRGBASpan_555; + drb->Base.GetValues = intelReadRGBAPixels_555; + drb->Base.PutRow = intelWriteRGBASpan_555; + drb->Base.PutRowRGB = intelWriteRGBSpan_555; + drb->Base.PutMonoRow = intelWriteMonoRGBASpan_555; + drb->Base.PutValues = intelWriteRGBAPixels_555; + drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_555; + } + else if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) { + drb->Base.GetRow = intelReadRGBASpan_565; + drb->Base.GetValues = intelReadRGBAPixels_565; + drb->Base.PutRow = intelWriteRGBASpan_565; + drb->Base.PutRowRGB = intelWriteRGBSpan_565; + drb->Base.PutMonoRow = intelWriteMonoRGBASpan_565; + drb->Base.PutValues = intelWriteRGBAPixels_565; + drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_565; + } + else { + assert(vis->redBits == 8); + assert(vis->greenBits == 8); + assert(vis->blueBits == 8); + drb->Base.GetRow = intelReadRGBASpan_8888; + drb->Base.GetValues = intelReadRGBAPixels_8888; + drb->Base.PutRow = intelWriteRGBASpan_8888; + drb->Base.PutRowRGB = intelWriteRGBSpan_8888; + drb->Base.PutMonoRow = intelWriteMonoRGBASpan_8888; + drb->Base.PutValues = intelWriteRGBAPixels_8888; + drb->Base.PutMonoValues = intelWriteMonoRGBAPixels_8888; + } + } + else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { + drb->Base.GetRow = intelReadDepthSpan_16; + drb->Base.GetValues = intelReadDepthPixels_16; + drb->Base.PutRow = intelWriteDepthSpan_16; + drb->Base.PutMonoRow = intelWriteMonoDepthSpan_16; + drb->Base.PutValues = intelWriteDepthPixels_16; + drb->Base.PutMonoValues = NULL; + } + else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { + drb->Base.GetRow = intelReadDepthSpan_24_8; + drb->Base.GetValues = intelReadDepthPixels_24_8; + drb->Base.PutRow = intelWriteDepthSpan_24_8; + drb->Base.PutMonoRow = intelWriteMonoDepthSpan_24_8; + drb->Base.PutValues = intelWriteDepthPixels_24_8; + drb->Base.PutMonoValues = NULL; + } + else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { + drb->Base.GetRow = intelReadStencilSpan_24_8; + drb->Base.GetValues = intelReadStencilPixels_24_8; + drb->Base.PutRow = intelWriteStencilSpan_24_8; + drb->Base.PutMonoRow = intelWriteMonoStencilSpan_24_8; + drb->Base.PutValues = intelWriteStencilPixels_24_8; + drb->Base.PutMonoValues = NULL; + } +} |