From d85e8b088bda9a118494dd86464c4a495475e407 Mon Sep 17 00:00:00 2001 From: Patrice Mandin Date: Sat, 6 Oct 2007 02:30:24 +0200 Subject: nouveau: move nv10 clear command, for usage by other gpu --- src/mesa/drivers/dri/nouveau/nouveau_context.c | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) (limited to 'src/mesa/drivers/dri/nouveau/nouveau_context.c') diff --git a/src/mesa/drivers/dri/nouveau/nouveau_context.c b/src/mesa/drivers/dri/nouveau/nouveau_context.c index f36483a3d49..a8569a9f153 100644 --- a/src/mesa/drivers/dri/nouveau/nouveau_context.c +++ b/src/mesa/drivers/dri/nouveau/nouveau_context.c @@ -378,3 +378,39 @@ void nouveauCopySubBuffer(__DRIdrawablePrivate *dPriv, { } +void nouveauClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer, + int fill, int mask) +{ + nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + int dimensions; + + if (!buffer) { + return; + } + + /* FIXME: only support 32 bits atm */ + + /* Surface that we will work on */ + nouveauObjectOnSubchannel(nmesa, NvSubCtxSurf2D, NvCtxSurf2D); + + BEGIN_RING_SIZE(NvSubCtxSurf2D, NV10_CONTEXT_SURFACES_2D_FORMAT, 4); + OUT_RING(0x0b); /* Y32 color format */ + OUT_RING((buffer->pitch<<16)|buffer->pitch); + OUT_RING(buffer->offset); + OUT_RING(buffer->offset); + + /* Now clear a rectangle */ + dimensions = ((buffer->mesa.Height)<<16) | (buffer->mesa.Width); + + nouveauObjectOnSubchannel(nmesa, NvSubGdiRectText, NvGdiRectText); + + BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_OPERATION, 1); + OUT_RING(3); /* SRCCOPY */ + + BEGIN_RING_SIZE(NvSubGdiRectText, NV04_GDI_RECTANGLE_TEXT_BLOCK_LEVEL1_TL, 5); + OUT_RING(0); /* top left */ + OUT_RING(dimensions); /* bottom right */ + OUT_RING(fill); + OUT_RING(0); /* top left */ + OUT_RING(dimensions); /* bottom right */ +} -- cgit v1.2.3