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nouveau: implement nv20Clear and nv20Scissor

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Still crashes out on scissor regs
This commit is contained in:
Dave Airlie
2007-03-25 07:09:02 +10:00
parent f27991c916
commit 74ceaf545f
1 changed files with 17 additions and 4 deletions
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src/mesa/drivers/dri/nouveau/nv20_state.c
+17 -4
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@@ -78,7 +78,18 @@ static void nv20BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, GLenum dfac
static void nv20Clear(GLcontext *ctx, GLbitfield mask)
{
/* TODO */
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
GLuint hw_bufs = 0;
if (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT))
hw_bufs |= 0xf0;
if (mask & (BUFFER_BIT_DEPTH))
hw_bufs |= 0x03;
if (hw_bufs) {
BEGIN_RING_CACHE(NvSub3D, NV30_TCL_PRIMITIVE_3D_CLEAR_WHICH_BUFFERS, 1);
OUT_RING_CACHE(hw_bufs);
}
}
static void nv20ClearColor(GLcontext *ctx, const GLfloat color[4])
@@ -557,9 +568,11 @@ static void nv20Scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
y += nmesa->drawY;
}
BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_X2_X1, 2);
OUT_RING_CACHE(((x+w-1) << 16) | x);
OUT_RING_CACHE(((y+h-1) << 16) | y);
BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_X2_X1, 1);
OUT_RING_CACHE((w << 16) | x );
BEGIN_RING_CACHE(NvSub3D, NV20_TCL_PRIMITIVE_3D_SCISSOR_Y2_Y1, 1);
OUT_RING_CACHE((h << 16) | y );
}
/** Select flat or smooth shading */