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dri/nv20: Clear with the 3D engine.

This commit is contained in:
Francisco Jerez 2010-10-23 03:01:06 +02:00
parent cfc81d93f7
commit 920481d387
1 changed files with 54 additions and 0 deletions
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54
src/mesa/drivers/dri/nouveau/nv20_context.c
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@ -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"
@ -39,6 +41,57 @@ static const struct dri_extension nv20_extensions[] = {
{ NULL, NULL }
};
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)
{
@ -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);