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| author | Patrice Mandin <pmandin@caramail.com> | 2007-08-16 21:50:34 +0200 |
|---|---|---|
| committer | Patrice Mandin <pmandin@caramail.com> | 2007-08-16 21:50:34 +0200 |
| commit | b902a223c461c804cee5cabd6440a934835803bd (patch) | |
| tree | 298a564f88e5cb4adb90a5a8b4ad1b8bef81f41b | |
| parent | a60695ebafcdf048ce13d5195e74f8b7d1fff8d8 (diff) | |
nouveau: nv10: clear a buffer
| -rw-r--r-- | src/mesa/drivers/dri/nouveau/nv10_state.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv10_state.c b/src/mesa/drivers/dri/nouveau/nv10_state.c index 0c746325c6..4a3646ea4f 100644 --- a/src/mesa/drivers/dri/nouveau/nv10_state.c +++ b/src/mesa/drivers/dri/nouveau/nv10_state.c @@ -114,12 +114,35 @@ static void nv10BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, GLenum dfac static void nv10ClearBuffer(GLcontext *ctx, nouveau_renderbuffer_t *buffer, int fill, int mask) { nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); + int dimensions; if (!buffer) { return; } - /* TODO */ + /* 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 */ } static void nv10Clear(GLcontext *ctx, GLbitfield mask) |