diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_span.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_span.c | 289 |
1 files changed, 289 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_span.c b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_span.c new file mode 100644 index 000000000..40772f480 --- /dev/null +++ b/nx-X11/extras/Mesa/src/mesa/drivers/dri/unichrome/via_span.c @@ -0,0 +1,289 @@ +/* + * 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 Y_FLIP(_y) (height - _y - 1) + +#define HW_LOCK() + +#define HW_UNLOCK() + +#undef LOCAL_VARS +#define LOCAL_VARS \ + struct via_context *vmesa = VIA_CONTEXT(ctx); \ + __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ + GLuint draw_pitch = vmesa->drawBuffer->pitch; \ + GLuint read_pitch = vmesa->readBuffer->pitch; \ + GLuint height = dPriv->h; \ + GLint p = 0; \ + char *buf = (char *)(vmesa->drawBuffer->origMap + vmesa->drawXoff * vmesa->viaScreen->bytesPerPixel); \ + char *read_buf = (char *)(vmesa->readBuffer->origMap + vmesa->drawXoff * vmesa->viaScreen->bytesPerPixel); \ + (void) (read_pitch && draw_pitch && buf && read_buf && p); + +/* ================================================================ + * Color buffer + */ + +/* 16 bit, RGB565 color spanline and pixel functions + */ +#define GET_SRC_PTR(_x, _y) (read_buf + (_x) * 2 + (_y) * read_pitch) +#define GET_DST_PTR(_x, _y) ( buf + (_x) * 2 + (_y) * draw_pitch) +#define SPANTMP_PIXEL_FMT GL_RGB +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5 + +#define TAG(x) via##x##_565 +#define TAG2(x,y) via##x##_565##y +#include "spantmp2.h" + + +/* 32 bit, ARGB8888 color spanline and pixel functions + */ +#define GET_SRC_PTR(_x, _y) (read_buf + (_x) * 4 + (_y) * read_pitch) +#define GET_DST_PTR(_x, _y) ( buf + (_x) * 4 + (_y) * draw_pitch) +#define SPANTMP_PIXEL_FMT GL_BGRA +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV + +#define TAG(x) via##x##_8888 +#define TAG2(x,y) via##x##_8888##y +#include "spantmp2.h" + + +/* 16 bit depthbuffer functions. + */ +#define LOCAL_DEPTH_VARS \ + struct via_context *vmesa = VIA_CONTEXT(ctx); \ + __DRIdrawablePrivate *dPriv = vmesa->driDrawable; \ + GLuint depth_pitch = vmesa->depth.pitch; \ + GLuint height = dPriv->h; \ + char *buf = (char *)(vmesa->depth.map + (vmesa->drawXoff * vmesa->depth.bpp/8)) + +#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS + + +#define WRITE_DEPTH(_x, _y, d) \ + *(GLushort *)(buf + (_x) * 2 + (_y) * depth_pitch) = d; + +#define READ_DEPTH(d, _x, _y) \ + d = *(volatile GLushort *)(buf + (_x) * 2 + (_y) * depth_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) * depth_pitch) = d; + +#define READ_DEPTH(d, _x, _y) \ + d = *(volatile GLuint *)(buf + (_x) * 4 + (_y) * depth_pitch); + +#define TAG(x) via##x##_32 +#include "depthtmp.h" + + + +/* 24/8 bit interleaved depth/stencil functions + */ +#define WRITE_DEPTH( _x, _y, d ) { \ + GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch); \ + tmp &= 0x000000ff; \ + tmp |= ((d)<<8); \ + *(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch) = tmp; \ +} + +#define READ_DEPTH( d, _x, _y ) \ + d = (*(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch)) >> 8; + + +#define TAG(x) via##x##_24_8 +#include "depthtmp.h" + +#define WRITE_STENCIL( _x, _y, d ) { \ + GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch); \ + tmp &= 0xffffff00; \ + tmp |= (d); \ + *(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch) = tmp; \ +} + +#define READ_STENCIL( d, _x, _y ) \ + d = *(GLuint *)(buf + (_x)*4 + (_y)*depth_pitch) & 0xff; + +#define TAG(x) via##x##_24_8 +#include "stenciltmp.h" + + + +static void viaSetBuffer(GLcontext *ctx, GLframebuffer *colorBuffer, + GLuint bufferBit) +{ + struct via_context *vmesa = VIA_CONTEXT(ctx); + + if (bufferBit == BUFFER_BIT_FRONT_LEFT) { + vmesa->drawBuffer = vmesa->readBuffer = &vmesa->front; + } + else if (bufferBit == BUFFER_BIT_BACK_LEFT) { + vmesa->drawBuffer = vmesa->readBuffer = &vmesa->back; + } + else { + ASSERT(0); + } +} + +/* Move locking out to get reasonable span performance. + */ +void viaSpanRenderStart( GLcontext *ctx ) +{ + struct via_context *vmesa = VIA_CONTEXT(ctx); + viaWaitIdle(vmesa, GL_FALSE); + LOCK_HARDWARE(vmesa); +} + +void viaSpanRenderFinish( GLcontext *ctx ) +{ + struct via_context *vmesa = VIA_CONTEXT(ctx); + _swrast_flush( ctx ); + UNLOCK_HARDWARE( vmesa ); +} + +void viaInitSpanFuncs(GLcontext *ctx) +{ +#if 0 + struct via_context *vmesa = VIA_CONTEXT(ctx); +#endif + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); + + swdd->SetBuffer = viaSetBuffer; +#if 0 + if (vmesa->viaScreen->bitsPerPixel == 16) { + viaInitPointers_565( swdd ); + } + else if (vmesa->viaScreen->bitsPerPixel == 32) { + viaInitPointers_8888( swdd ); + } + else { + assert(0); + } +#endif +#if 0 + if (vmesa->glCtx->Visual.depthBits == 16) { + swdd->ReadDepthSpan = viaReadDepthSpan_16; + swdd->WriteDepthSpan = viaWriteDepthSpan_16; + swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_16; + swdd->ReadDepthPixels = viaReadDepthPixels_16; + swdd->WriteDepthPixels = viaWriteDepthPixels_16; + } + else if (vmesa->glCtx->Visual.depthBits == 24) { + swdd->ReadDepthSpan = viaReadDepthSpan_24_8; + swdd->WriteDepthSpan = viaWriteDepthSpan_24_8; + swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_24_8; + swdd->ReadDepthPixels = viaReadDepthPixels_24_8; + swdd->WriteDepthPixels = viaWriteDepthPixels_24_8; + + swdd->WriteStencilSpan = viaWriteStencilSpan_24_8; + swdd->ReadStencilSpan = viaReadStencilSpan_24_8; + swdd->WriteStencilPixels = viaWriteStencilPixels_24_8; + swdd->ReadStencilPixels = viaReadStencilPixels_24_8; + } + else if (vmesa->glCtx->Visual.depthBits == 32) { + swdd->ReadDepthSpan = viaReadDepthSpan_32; + swdd->WriteDepthSpan = viaWriteDepthSpan_32; + swdd->WriteMonoDepthSpan = viaWriteMonoDepthSpan_32; + swdd->ReadDepthPixels = viaReadDepthPixels_32; + swdd->WriteDepthPixels = viaWriteDepthPixels_32; + } +#endif + + swdd->SpanRenderStart = viaSpanRenderStart; + swdd->SpanRenderFinish = viaSpanRenderFinish; + +#if 0 + swdd->WriteCI8Span = NULL; + swdd->WriteCI32Span = NULL; + swdd->WriteMonoCISpan = NULL; + swdd->WriteCI32Pixels = NULL; + swdd->WriteMonoCIPixels = NULL; + swdd->ReadCI32Span = NULL; + swdd->ReadCI32Pixels = NULL; +#endif +} + + + +/** + * Plug in the Get/Put routines for the given driRenderbuffer. + */ +void +viaSetSpanFunctions(driRenderbuffer *drb, const GLvisual *vis) +{ + if (drb->Base.InternalFormat == GL_RGBA) { + if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) { + viaInitPointers_565(&drb->Base); + } + else { + viaInitPointers_8888(&drb->Base); + } + } + else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) { + drb->Base.GetRow = viaReadDepthSpan_16; + drb->Base.GetValues = viaReadDepthPixels_16; + drb->Base.PutRow = viaWriteDepthSpan_16; + drb->Base.PutMonoRow = viaWriteMonoDepthSpan_16; + drb->Base.PutValues = viaWriteDepthPixels_16; + drb->Base.PutMonoValues = NULL; + } + else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) { + drb->Base.GetRow = viaReadDepthSpan_24_8; + drb->Base.GetValues = viaReadDepthPixels_24_8; + drb->Base.PutRow = viaWriteDepthSpan_24_8; + drb->Base.PutMonoRow = viaWriteMonoDepthSpan_24_8; + drb->Base.PutValues = viaWriteDepthPixels_24_8; + drb->Base.PutMonoValues = NULL; + } + else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT32) { + drb->Base.GetRow = viaReadDepthSpan_32; + drb->Base.GetValues = viaReadDepthPixels_32; + drb->Base.PutRow = viaWriteDepthSpan_32; + drb->Base.PutMonoRow = viaWriteMonoDepthSpan_32; + drb->Base.PutValues = viaWriteDepthPixels_32; + drb->Base.PutMonoValues = NULL; + } + else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) { + drb->Base.GetRow = viaReadStencilSpan_24_8; + drb->Base.GetValues = viaReadStencilPixels_24_8; + drb->Base.PutRow = viaWriteStencilSpan_24_8; + drb->Base.PutMonoRow = viaWriteMonoStencilSpan_24_8; + drb->Base.PutValues = viaWriteStencilPixels_24_8; + drb->Base.PutMonoValues = NULL; + } +} |