diff options
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_span.c')
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nouveau_span.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_span.c b/src/mesa/drivers/dri/nouveau/nouveau_span.c new file mode 100644 index 00000000000..74dec66afcf --- /dev/null +++ b/src/mesa/drivers/dri/nouveau/nouveau_span.c @@ -0,0 +1,125 @@ +/************************************************************************** + +Copyright 2006 Stephane Marchesin +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 +on 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 +ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP 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 "nouveau_context.h" +#include "nouveau_span.h" +#include "nouveau_fifo.h" +#include "nouveau_lock.h" + +#include "swrast/swrast.h" + +#define HAVE_HW_DEPTH_SPANS 0 +#define HAVE_HW_DEPTH_PIXELS 0 +#define HAVE_HW_STENCIL_SPANS 0 +#define HAVE_HW_STENCIL_PIXELS 0 + +#define HW_CLIPLOOP() \ + do { \ + int _nc = nmesa->numClipRects; \ + while ( _nc-- ) { \ + int minx = nmesa->pClipRects[_nc].x1 - nmesa->drawX; \ + int miny = nmesa->pClipRects[_nc].y1 - nmesa->drawY; \ + int maxx = nmesa->pClipRects[_nc].x2 - nmesa->drawX; \ + int maxy = nmesa->pClipRects[_nc].y2 - nmesa->drawY; + +#define LOCAL_VARS \ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); \ + nouveau_renderbuffer *nrb = (nouveau_renderbuffer *)rb; \ + GLuint height = nrb->mesa.Height; \ + GLubyte *map = (GLubyte *)(nrb->map ? nrb->map : nrb->mem->map) + \ + (nmesa->drawY * nrb->pitch) + (nmesa->drawX * nrb->cpp); \ + GLuint p; \ + (void) p; + +#define Y_FLIP( _y ) (height - _y - 1) + +#define HW_LOCK() + +#define HW_UNLOCK() + + + +/* ================================================================ + * Color buffers + */ + +/* RGB565 */ +#define SPANTMP_PIXEL_FMT GL_RGB +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5 + +#define TAG(x) nouveau##x##_RGB565 +#define TAG2(x,y) nouveau##x##_RGB565##y +#define GET_PTR(X,Y) (map + (Y)*nrb->pitch + (X)*nrb->cpp) +#include "spantmp2.h" + + +/* ARGB8888 */ +#define SPANTMP_PIXEL_FMT GL_BGRA +#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV + +#define TAG(x) nouveau##x##_ARGB8888 +#define TAG2(x,y) nouveau##x##_ARGB8888##y +#define GET_PTR(X,Y) (map + (Y)*nrb->pitch + (X)*nrb->cpp) +#include "spantmp2.h" + +static void +nouveauSpanRenderStart( GLcontext *ctx ) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + FIRE_RING(); + LOCK_HARDWARE(nmesa); + nouveauWaitForIdleLocked( nmesa ); +} + +static void +nouveauSpanRenderFinish( GLcontext *ctx ) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + _swrast_flush( ctx ); + nouveauWaitForIdleLocked( nmesa ); + UNLOCK_HARDWARE( nmesa ); +} + +void nouveauSpanInitFunctions( GLcontext *ctx ) +{ + struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx); + swdd->SpanRenderStart = nouveauSpanRenderStart; + swdd->SpanRenderFinish = nouveauSpanRenderFinish; +} + + +/** + * Plug in the Get/Put routines for the given driRenderbuffer. + */ +void +nouveauSpanSetFunctions(nouveau_renderbuffer *nrb, const GLvisual *vis) +{ + if (nrb->mesa._ActualFormat == GL_RGBA8) + nouveauInitPointers_ARGB8888(&nrb->mesa); + else if (nrb->mesa._ActualFormat == GL_RGB5) + nouveauInitPointers_RGB565(&nrb->mesa); +} |