void
nv10_emit_blend_color(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
BEGIN_NV04(push, NV10_3D(BLEND_COLOR), 1);
PUSH_DATA (push, FLOAT_TO_UBYTE(ctx->Color.BlendColor[3]) << 24 |
FLOAT_TO_UBYTE(ctx->Color.BlendColor[0]) << 16 |
FLOAT_TO_UBYTE(ctx->Color.BlendColor[1]) << 8 |
FLOAT_TO_UBYTE(ctx->Color.BlendColor[2]) << 0);
}
static void nv04_emit_fog_color(GLcontext *ctx)
{
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
GLubyte c[4];
c[0] = FLOAT_TO_UBYTE( ctx->Fog.Color[0] );
c[1] = FLOAT_TO_UBYTE( ctx->Fog.Color[1] );
c[2] = FLOAT_TO_UBYTE( ctx->Fog.Color[2] );
c[3] = FLOAT_TO_UBYTE( ctx->Fog.Color[3] );
BEGIN_RING_CACHE(NvSub3D, NV04_DX5_TEXTURED_TRIANGLE_FOG_COLOR, 1);
OUT_RING_CACHE(PACK_COLOR_8888_REV(c[0],c[1],c[2],c[3]));
}
void
nv10_emit_alpha_func(struct gl_context *ctx, int emit)
{
struct nouveau_pushbuf *push = context_push(ctx);
BEGIN_NV04(push, NV10_3D(ALPHA_FUNC_ENABLE), 1);
PUSH_DATAb(push, ctx->Color.AlphaEnabled);
BEGIN_NV04(push, NV10_3D(ALPHA_FUNC_FUNC), 2);
PUSH_DATA (push, nvgl_comparison_op(ctx->Color.AlphaFunc));
PUSH_DATA (push, FLOAT_TO_UBYTE(ctx->Color.AlphaRef));
}
static void
sis6326DDFogfv( GLcontext *ctx, GLenum pname, const GLfloat *params )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
__GLSiSHardware *current = &smesa->current;
__GLSiSHardware *prev = &smesa->prev;
GLint fogColor;
switch(pname)
{
case GL_FOG_COLOR:
fogColor = FLOAT_TO_UBYTE( ctx->Fog.Color[0] ) << 16;
fogColor |= FLOAT_TO_UBYTE( ctx->Fog.Color[1] ) << 8;
fogColor |= FLOAT_TO_UBYTE( ctx->Fog.Color[2] );
current->hwFog = 0x01000000 | fogColor;
if (current->hwFog != prev->hwFog) {
prev->hwFog = current->hwFog;
smesa->GlobalFlag |= GFLAG_FOGSETTING;
}
break;
}
}
void
nv04_emit_control(struct gl_context *ctx, int emit)
{
struct nv04_context *nv04 = to_nv04_context(ctx);
struct gl_framebuffer *fb = ctx->DrawBuffer;
int cull = ctx->Polygon.CullFaceMode;
int front = ctx->Polygon.FrontFace;
nv04->ctrl[0] = NV04_TEXTURED_TRIANGLE_CONTROL_Z_FORMAT_FIXED |
NV04_TEXTURED_TRIANGLE_CONTROL_ORIGIN_CORNER;
nv04->ctrl[1] = 0;
nv04->ctrl[2] = 0;
/* Dithering. */
if (ctx->Color.DitherFlag)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_DITHER_ENABLE;
/* Cull mode. */
if (!ctx->Polygon.CullFlag)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_NONE;
else if (cull == GL_FRONT_AND_BACK)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_BOTH;
else
nv04->ctrl[0] |= (cull == GL_FRONT) ^ (front == GL_CCW) ?
NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CW :
NV04_TEXTURED_TRIANGLE_CONTROL_CULL_MODE_CCW;
/* Depth test. */
if (ctx->Depth.Test && fb->Visual.depthBits > 0)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_ENABLE;
if (ctx->Depth.Mask && fb->Visual.depthBits > 0)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_Z_WRITE;
nv04->ctrl[0] |= get_comparison_op(ctx->Depth.Func) << 16;
/* Alpha test. */
if (ctx->Color.AlphaEnabled)
nv04->ctrl[0] |= NV04_TEXTURED_TRIANGLE_CONTROL_ALPHA_ENABLE;
nv04->ctrl[0] |= get_comparison_op(ctx->Color.AlphaFunc) << 8 |
FLOAT_TO_UBYTE(ctx->Color.AlphaRef);
/* Color mask. */
if (ctx->Color.ColorMask[0][RCOMP])
nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_RED_WRITE;
if (ctx->Color.ColorMask[0][GCOMP])
nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_GREEN_WRITE;
if (ctx->Color.ColorMask[0][BCOMP])
nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_BLUE_WRITE;
if (ctx->Color.ColorMask[0][ACOMP])
nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_ALPHA_WRITE;
/* Stencil test. */
if (ctx->Stencil.WriteMask[0])
nv04->ctrl[0] |= NV04_MULTITEX_TRIANGLE_CONTROL0_STENCIL_WRITE;
if (_mesa_stencil_is_enabled(ctx))
nv04->ctrl[1] |= NV04_MULTITEX_TRIANGLE_CONTROL1_STENCIL_ENABLE;
nv04->ctrl[1] |= get_comparison_op(ctx->Stencil.Function[0]) << 4 |
_mesa_get_stencil_ref(ctx, 0) << 8 |
ctx->Stencil.ValueMask[0] << 16 |
ctx->Stencil.WriteMask[0] << 24;
nv04->ctrl[2] |= get_stencil_op(ctx->Stencil.ZPassFunc[0]) << 8 |
get_stencil_op(ctx->Stencil.ZFailFunc[0]) << 4 |
get_stencil_op(ctx->Stencil.FailFunc[0]);
}
