diff options
author | Francisco Jerez <currojerez@riseup.net> | 2010-10-23 03:01:06 +0200 |
---|---|---|
committer | Francisco Jerez <currojerez@riseup.net> | 2010-10-30 19:25:31 +0200 |
commit | 920481d38751957ec24de323ae8f15a6aec334a5 (patch) | |
tree | 9892bf48875676771f28a8e58221ec9b27c61ec1 /src/mesa/drivers | |
parent | cfc81d93f7b07a89437cbbce173fc468070e06da (diff) |
dri/nv20: Clear with the 3D engine.
Diffstat (limited to 'src/mesa/drivers')
-rw-r--r-- | src/mesa/drivers/dri/nouveau/nv20_context.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nv20_context.c b/src/mesa/drivers/dri/nouveau/nv20_context.c index c6111a2a9a..4ca7cd6c98 100644 --- a/src/mesa/drivers/dri/nouveau/nv20_context.c +++ b/src/mesa/drivers/dri/nouveau/nv20_context.c @@ -26,6 +26,8 @@ #include "nouveau_driver.h" #include "nouveau_context.h" +#include "nouveau_fbo.h" +#include "nouveau_util.h" #include "nouveau_class.h" #include "nv04_driver.h" #include "nv10_driver.h" @@ -40,6 +42,57 @@ static const struct dri_extension nv20_extensions[] = { }; static void +nv20_clear(struct gl_context *ctx, GLbitfield buffers) +{ + struct nouveau_channel *chan = context_chan(ctx); + struct nouveau_grobj *kelvin = context_eng3d(ctx); + struct gl_framebuffer *fb = ctx->DrawBuffer; + uint32_t clear = 0; + + nouveau_validate_framebuffer(ctx); + + if (buffers & BUFFER_BITS_COLOR) { + struct nouveau_surface *s = &to_nouveau_renderbuffer( + fb->_ColorDrawBuffers[0])->surface; + + if (ctx->Color.ColorMask[0][RCOMP]) + clear |= NV20TCL_CLEAR_BUFFERS_COLOR_R; + if (ctx->Color.ColorMask[0][GCOMP]) + clear |= NV20TCL_CLEAR_BUFFERS_COLOR_G; + if (ctx->Color.ColorMask[0][BCOMP]) + clear |= NV20TCL_CLEAR_BUFFERS_COLOR_B; + if (ctx->Color.ColorMask[0][ACOMP]) + clear |= NV20TCL_CLEAR_BUFFERS_COLOR_A; + + BEGIN_RING(chan, kelvin, NV20TCL_CLEAR_VALUE, 1); + OUT_RING(chan, pack_rgba_f(s->format, ctx->Color.ClearColor)); + + buffers &= ~BUFFER_BITS_COLOR; + } + + if (buffers & (BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL)) { + struct nouveau_surface *s = &to_nouveau_renderbuffer( + fb->_DepthBuffer->Wrapped)->surface; + + if (buffers & BUFFER_BIT_DEPTH && ctx->Depth.Mask) + clear |= NV20TCL_CLEAR_BUFFERS_DEPTH; + if (buffers & BUFFER_BIT_STENCIL && ctx->Stencil.WriteMask[0]) + clear |= NV20TCL_CLEAR_BUFFERS_STENCIL; + + BEGIN_RING(chan, kelvin, NV20TCL_CLEAR_DEPTH_VALUE, 1); + OUT_RING(chan, pack_zs_f(s->format, ctx->Depth.Clear, + ctx->Stencil.Clear)); + + buffers &= ~(BUFFER_BIT_DEPTH | BUFFER_BIT_STENCIL); + } + + BEGIN_RING(chan, kelvin, NV20TCL_CLEAR_BUFFERS, 1); + OUT_RING(chan, clear); + + nouveau_clear(ctx, buffers); +} + +static void nv20_hwctx_init(struct gl_context *ctx) { struct nouveau_channel *chan = context_chan(ctx); @@ -410,6 +463,7 @@ nv20_context_create(struct nouveau_screen *screen, const struct gl_config *visua ctx->Const.MaxTextureUnits = NV20_TEXTURE_UNITS; ctx->Const.MaxTextureMaxAnisotropy = 8; ctx->Const.MaxTextureLodBias = 15; + ctx->Driver.Clear = nv20_clear; /* 2D engine. */ ret = nv04_surface_init(ctx); |