diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_span.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_span.c | 313 |
1 files changed, 313 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_span.c new file mode 100644 index 000000000..66cc961c6 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/gamma/gamma_span.c @@ -0,0 +1,313 @@ +/* $XFree86: xc/lib/GL/mesa/src/drv/gamma/gamma_span.c,v 1.4 2002/11/05 17:46:07 tsi Exp $ */ + +#include "gamma_context.h" +#include "gamma_lock.h" +#include "colormac.h" + +#include "swrast/swrast.h" + +#define DBG 0 + +#define LOCAL_VARS \ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); \ + gammaScreenPtr gammascrn = gmesa->gammaScreen; \ + __DRIscreenPrivate *sPriv = gmesa->driScreen; \ + __DRIdrawablePrivate *dPriv = gmesa->driDrawable; \ + GLuint pitch = sPriv->fbWidth * gammascrn->cpp; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(sPriv->pFB + \ + gmesa->drawOffset + \ + (dPriv->x * gammascrn->cpp) + \ + (dPriv->y * pitch)); \ + char *read_buf = (char *)(sPriv->pFB + \ + gmesa->readOffset + \ + (dPriv->x * gammascrn->cpp) + \ + (dPriv->y * pitch)); \ + GLuint p; \ + (void) read_buf; (void) buf; (void) p + +/* FIXME! Depth/Stencil read/writes don't work ! */ +#define LOCAL_DEPTH_VARS \ + gammaScreenPtr gammascrn = gmesa->gammaScreen; \ + __DRIdrawablePrivate *dPriv = gmesa->driDrawable; \ + __DRIscreenPrivate *sPriv = gmesa->driScreen; \ + GLuint pitch = gammascrn->depthPitch; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(sPriv->pFB + \ + gammascrn->depthOffset + \ + dPriv->x * gammascrn->cpp + \ + dPriv->y * pitch) + +#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS + +#define Y_FLIP( _y ) (height - _y - 1) + +#define HW_LOCK() \ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); \ + FLUSH_DMA_BUFFER(gmesa); \ + gammaGetLock( gmesa, DRM_LOCK_FLUSH | DRM_LOCK_QUIESCENT ); \ + GAMMAHW_LOCK( gmesa ); + +#define HW_UNLOCK() GAMMAHW_UNLOCK( gmesa ) + + + +/* ================================================================ + * Color buffer + */ + +/* 16 bit, RGB565 color spanline and pixel functions + */ +#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; \ + rgba[1] = (p >> 3) & 0xfc; \ + rgba[2] = (p << 3) & 0xf8; \ + rgba[3] = 0xff; \ + if ( rgba[0] & 0x08 ) rgba[0] |= 0x07; \ + if ( rgba[1] & 0x04 ) rgba[1] |= 0x03; \ + if ( rgba[2] & 0x08 ) rgba[2] |= 0x07; \ + } while (0) + +#define TAG(x) gamma##x##_RGB565 +#include "spantmp.h" + + +/* 32 bit, ARGB8888 color spanline and pixel functions + */ + +#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) = ((b << 0) | \ + (g << 8) | \ + (r << 16) | \ + (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) gamma##x##_ARGB8888 +#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) gamma##x##_16 +#include "depthtmp.h" + + +#if 0 /* Unused */ +/* 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) gamma##x##_32 +#include "depthtmp.h" +#endif + + +/* 24/8 bit interleaved depth/stencil 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; + + +#define TAG(x) gamma##x##_24_8 +#include "depthtmp.h" + +#if 0 +#define WRITE_STENCIL( _x, _y, d ) { \ + GLuint tmp = *(GLuint *)(buf + _x*4 + _y*pitch); \ + tmp &= 0xffffff00; \ + tmp |= d & 0xff; \ + *(GLuint *)(buf + _x*4 + _y*pitch) = tmp; \ +} + +#define READ_STENCIL( d, _x, _y ) \ + d = *(GLuint *)(buf + _x*4 + _y*pitch) & 0xff; + +#define TAG(x) gamma##x##_24_8 +#include "stenciltmp.h" + +static void gammaReadRGBASpan8888( const GLcontext *ctx, + GLuint n, GLint x, GLint y, + GLubyte rgba[][4]) +{ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); + gammaScreenPtr gammascrn = gmesa->gammaScreen; + u_int32_t dwords1, dwords2, i = 0; + char *src = (char *)rgba[0]; + GLuint read = n * gammascrn->cpp; /* Number of bytes we are expecting */ + u_int32_t data; + + FLUSH_DMA_BUFFER(gmesa); + CHECK_DMA_BUFFER(gmesa, 16); + WRITE(gmesa->buf, LBReadMode, gmesa->LBReadMode & ~(LBReadSrcEnable | LBReadDstEnable)); + WRITE(gmesa->buf, ColorDDAMode, ColorDDAEnable); + WRITE(gmesa->buf, LBWriteMode, LBWriteModeDisable); + WRITE(gmesa->buf, FBReadMode, (gmesa->FBReadMode & ~FBReadSrcEnable) | FBReadDstEnable | FBDataTypeColor); + WRITE(gmesa->buf, FilterMode, 0x200); /* Pass FBColorData */ + WRITE(gmesa->buf, FBWriteMode, FBW_UploadColorData | FBWriteModeDisable); + WRITE(gmesa->buf, StartXSub, (x+n)<<16); + WRITE(gmesa->buf, StartXDom, x<<16); + WRITE(gmesa->buf, StartY, y<<16); + WRITE(gmesa->buf, GLINTCount, 1); + WRITE(gmesa->buf, dXDom, 0<<16); + WRITE(gmesa->buf, dXSub, 0<<16); + WRITE(gmesa->buf, dY, 1<<16); + WRITE(gmesa->buf, Render, PrimitiveTrapezoid); + FLUSH_DMA_BUFFER(gmesa); + +moredata: + + dwords1 = *(volatile u_int32_t*)(void *)(((u_int8_t*)gammascrn->regions[0].map) + (GlintOutFIFOWords)); + dwords2 = *(volatile u_int32_t*)(void *)(((u_int8_t*)gammascrn->regions[2].map) + (GlintOutFIFOWords)); + + if (dwords1) { + memcpy(src, (char*)gammascrn->regions[1].map + 0x1000, dwords1 << 2); + src += dwords1 << 2; + read -= dwords1 << 2; + } + if (dwords2) { + memcpy(src, (char*)gammascrn->regions[3].map + 0x1000, dwords2 << 2); + src += dwords2 << 2; + read -= dwords2 << 2; + } + + if (read) + goto moredata; + +done: + + CHECK_DMA_BUFFER(gmesa, 6); + WRITE(gmesa->buf, ColorDDAMode, gmesa->ColorDDAMode); + WRITE(gmesa->buf, LBWriteMode, LBWriteModeEnable); + WRITE(gmesa->buf, LBReadMode, gmesa->LBReadMode); + WRITE(gmesa->buf, FBReadMode, gmesa->FBReadMode); + WRITE(gmesa->buf, FBWriteMode, FBWriteModeEnable); + WRITE(gmesa->buf, FilterMode, 0x400); +} +#endif + +static void gammaSetBuffer( GLcontext *ctx, + GLframebuffer *colorBuffer, + GLuint bufferBit ) +{ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); + + switch ( bufferBit ) { + case BUFFER_BIT_FRONT_LEFT: + gmesa->readOffset = 0; + break; + case BUFFER_BIT_BACK_LEFT: + gmesa->readOffset = gmesa->driScreen->fbHeight * gmesa->driScreen->fbWidth * gmesa->gammaScreen->cpp; + break; + default: + _mesa_problem(ctx, "Unexpected buffer 0x%x in gammaSetBuffer()", bufferBit); + } +} + + +void gammaDDInitSpanFuncs( GLcontext *ctx ) +{ + gammaContextPtr gmesa = GAMMA_CONTEXT(ctx); + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); + + swdd->SetBuffer = gammaSetBuffer; + + switch ( gmesa->gammaScreen->cpp ) { + case 2: + swdd->WriteRGBASpan = gammaWriteRGBASpan_RGB565; + swdd->WriteRGBSpan = gammaWriteRGBSpan_RGB565; + swdd->WriteMonoRGBASpan = gammaWriteMonoRGBASpan_RGB565; + swdd->WriteRGBAPixels = gammaWriteRGBAPixels_RGB565; + swdd->WriteMonoRGBAPixels = gammaWriteMonoRGBAPixels_RGB565; + swdd->ReadRGBASpan = gammaReadRGBASpan_RGB565; + swdd->ReadRGBAPixels = gammaReadRGBAPixels_RGB565; + break; + + case 4: + swdd->WriteRGBASpan = gammaWriteRGBASpan_ARGB8888; + swdd->WriteRGBSpan = gammaWriteRGBSpan_ARGB8888; + swdd->WriteMonoRGBASpan = gammaWriteMonoRGBASpan_ARGB8888; + swdd->WriteRGBAPixels = gammaWriteRGBAPixels_ARGB8888; + swdd->WriteMonoRGBAPixels = gammaWriteMonoRGBAPixels_ARGB8888; +#if 1 + swdd->ReadRGBASpan = gammaReadRGBASpan_ARGB8888; +#else + swdd->ReadRGBASpan = gammaReadRGBASpan8888; +#endif + swdd->ReadRGBAPixels = gammaReadRGBAPixels_ARGB8888; + break; + + default: + break; + } + + switch ( gmesa->glCtx->Visual.depthBits ) { + case 16: + swdd->ReadDepthSpan = gammaReadDepthSpan_16; + swdd->WriteDepthSpan = gammaWriteDepthSpan_16; + swdd->ReadDepthPixels = gammaReadDepthPixels_16; + swdd->WriteDepthPixels = gammaWriteDepthPixels_16; + break; + + case 24: + swdd->ReadDepthSpan = gammaReadDepthSpan_24_8; + swdd->WriteDepthSpan = gammaWriteDepthSpan_24_8; + swdd->ReadDepthPixels = gammaReadDepthPixels_24_8; + swdd->WriteDepthPixels = gammaWriteDepthPixels_24_8; + +#if 0 + swdd->ReadStencilSpan = gammaReadStencilSpan_24_8; + swdd->WriteStencilSpan = gammaWriteStencilSpan_24_8; + swdd->ReadStencilPixels = gammaReadStencilPixels_24_8; + swdd->WriteStencilPixels = gammaWriteStencilPixels_24_8; +#endif + break; + + default: + break; + } +} |