Add nv20_state.c ; hook nv10_state.c into the build ; do the renaming

    required by the renouveau changes.

1 files changed, 575 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nv20_state.c b/src/mesa/drivers/dri/nouveau/nv20_state.c
new file mode 100644
index 0000000000..88b8d6d204
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nv20_state.c
@@ -0,0 +1,575 @@
+/**************************************************************************
+
+Copyright 2006 Nouveau
+All Rights Reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the "Software"),
+to deal in the Software without restriction, including without limitation
+on the rights to use, copy, modify, merge, publish, distribute, sub
+license, and/or sell copies of the Software, and to permit persons to whom
+the Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice (including the next
+paragraph) shall be included in all copies or substantial portions of the
+Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ERIC ANHOLT OR SILICON INTEGRATED SYSTEMS CORP BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+**************************************************************************/
+
+#include "nouveau_context.h"
+#include "nouveau_object.h"
+#include "nouveau_fifo.h"
+#include "nouveau_reg.h"
+
+#include "tnl/t_pipeline.h"
+
+#include "mtypes.h"
+#include "colormac.h"
+
+static void nv20AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	GLubyte ubRef;
+	CLAMPED_FLOAT_TO_UBYTE(ubRef, ref);
+
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_ALPHA_FUNC_FUNC, 2);
+	OUT_RING(func);     /* NV20_TCL_PRIMITIVE_3D_ALPHA_FUNC_FUNC */
+	OUT_RING(ubRef);    /* NV20_TCL_PRIMITIVE_3D_ALPHA_FUNC_REF  */
+}
+
+static void nv20BlendColor(GLcontext *ctx, const GLfloat color[4])
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx); 
+	GLubyte cf[4];
+
+	CLAMPED_FLOAT_TO_UBYTE(cf[0], color[0]);
+	CLAMPED_FLOAT_TO_UBYTE(cf[1], color[1]);
+	CLAMPED_FLOAT_TO_UBYTE(cf[2], color[2]);
+	CLAMPED_FLOAT_TO_UBYTE(cf[3], color[3]);
+
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_BLEND_COLOR, 1);
+	OUT_RING(PACK_COLOR_8888(cf[3], cf[1], cf[2], cf[0]));
+}
+
+static void nv20BlendEquationSeparate(GLcontext *ctx, GLenum modeRGB, GLenum modeA)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_BLEND_EQUATION, 1);
+	OUT_RING((modeA<<16) | modeRGB);
+}
+
+
+static void nv20BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, GLenum dfactorRGB,
+		GLenum sfactorA, GLenum dfactorA)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_BLEND_FUNC_SRC, 2);
+	OUT_RING((sfactorA<<16) | sfactorRGB);
+	OUT_RING((dfactorA<<16) | dfactorRGB);
+}
+
+static void nv20ClearColor(GLcontext *ctx, const GLfloat color[4])
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	GLubyte c[4];
+	UNCLAMPED_FLOAT_TO_RGBA_CHAN(c,color);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CLEAR_VALUE_ARGB, 1);
+	OUT_RING(PACK_COLOR_8888(c[3],c[0],c[1],c[2]));
+}
+
+static void nv20ClearDepth(GLcontext *ctx, GLclampd d)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	nmesa->clear_value=((nmesa->clear_value&0x000000FF)|(((uint32_t)(d*0xFFFFFF))<<8));
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CLEAR_VALUE_DEPTH, 1);
+	OUT_RING(nmesa->clear_value);
+}
+
+/* we're don't support indexed buffers
+   void (*ClearIndex)(GLcontext *ctx, GLuint index)
+ */
+
+static void nv20ClearStencil(GLcontext *ctx, GLint s)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	nmesa->clear_value=((nmesa->clear_value&0xFFFFFF00)|(s&0x000000FF));
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CLEAR_VALUE_DEPTH, 1);
+	OUT_RING(nmesa->clear_value);
+}
+
+static void nv20ClipPlane(GLcontext *ctx, GLenum plane, const GLfloat *equation)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CLIP_PLANE_A(plane), 4);
+	OUT_RINGf(equation[0]);
+	OUT_RINGf(equation[1]);
+	OUT_RINGf(equation[2]);
+	OUT_RINGf(equation[3]);
+}
+
+static void nv20ColorMask(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
+		GLboolean bmask, GLboolean amask )
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_COLOR_MASK, 1);
+	OUT_RING(((amask && 0x01) << 24) | ((rmask && 0x01) << 16) | ((gmask && 0x01)<< 8) | ((bmask && 0x01) << 0));
+}
+
+static void nv20ColorMaterial(GLcontext *ctx, GLenum face, GLenum mode)
+{
+	// TODO I need love
+}
+
+static void nv20CullFace(GLcontext *ctx, GLenum mode)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CULL_FACE, 1);
+	OUT_RING(mode);
+}
+
+static void nv20FrontFace(GLcontext *ctx, GLenum mode)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_FRONT_FACE, 1);
+	OUT_RING(mode);
+}
+
+static void nv20DepthFunc(GLcontext *ctx, GLenum func)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_DEPTH_FUNC, 1);
+	OUT_RING(func);
+}
+
+static void nv20DepthMask(GLcontext *ctx, GLboolean flag)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_DEPTH_WRITE_ENABLE, 1);
+	OUT_RING(flag);
+}
+
+static void nv20DepthRange(GLcontext *ctx, GLclampd nearval, GLclampd farval)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_DEPTH_RANGE_NEAR, 2);
+	OUT_RINGf(nearval);
+	OUT_RINGf(farval);
+}
+
+/** Specify the current buffer for writing */
+//void (*DrawBuffer)( GLcontext *ctx, GLenum buffer );
+/** Specify the buffers for writing for fragment programs*/
+//void (*DrawBuffers)( GLcontext *ctx, GLsizei n, const GLenum *buffers );
+
+static void nv20Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	switch(cap)
+	{
+		case GL_ALPHA_TEST:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_ALPHA_FUNC_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_AUTO_NORMAL:
+		case GL_BLEND:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_BLEND_FUNC_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_CLIP_PLANE0:
+		case GL_CLIP_PLANE1:
+		case GL_CLIP_PLANE2:
+		case GL_CLIP_PLANE3:
+		case GL_CLIP_PLANE4:
+		case GL_CLIP_PLANE5:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CLIP_PLANE_ENABLE(cap-GL_CLIP_PLANE0), 1);
+			OUT_RING(state);
+			break;
+		case GL_COLOR_LOGIC_OP:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_COLOR_LOGIC_OP_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_COLOR_MATERIAL:
+//		case GL_COLOR_SUM_EXT:
+//		case GL_COLOR_TABLE:
+//		case GL_CONVOLUTION_1D:
+//		case GL_CONVOLUTION_2D:
+		case GL_CULL_FACE:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_CULL_FACE_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_DEPTH_TEST:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_DEPTH_TEST_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_DITHER:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_DITHER_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_FOG:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_FOG_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_HISTOGRAM:
+//		case GL_INDEX_LOGIC_OP:
+		case GL_LIGHT0:
+		case GL_LIGHT1:
+		case GL_LIGHT2:
+		case GL_LIGHT3:
+		case GL_LIGHT4:
+		case GL_LIGHT5:
+		case GL_LIGHT6:
+		case GL_LIGHT7:
+			{
+			uint32_t mask=0x11<<(2*(cap-GL_LIGHT0));
+			nmesa->enabled_lights=((nmesa->enabled_lights&mask)|(mask*state));
+			if (nmesa->lighting_enabled)
+			{
+				BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_ENABLED_LIGHTS, 1);
+				OUT_RING(nmesa->enabled_lights);
+			}
+			break;
+			}
+		case GL_LIGHTING:
+			nmesa->lighting_enabled=state;
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_ENABLED_LIGHTS, 1);
+			if (nmesa->lighting_enabled)
+				OUT_RING(nmesa->enabled_lights);
+			else
+				OUT_RING(0x0);
+			break;
+		case GL_LINE_SMOOTH:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LINE_SMOOTH_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_LINE_STIPPLE:
+//		case GL_MAP1_COLOR_4:
+//		case GL_MAP1_INDEX:
+//		case GL_MAP1_NORMAL:
+//		case GL_MAP1_TEXTURE_COORD_1:
+//		case GL_MAP1_TEXTURE_COORD_2:
+//		case GL_MAP1_TEXTURE_COORD_3:
+//		case GL_MAP1_TEXTURE_COORD_4:
+//		case GL_MAP1_VERTEX_3:
+//		case GL_MAP1_VERTEX_4:
+//		case GL_MAP2_COLOR_4:
+//		case GL_MAP2_INDEX:
+//		case GL_MAP2_NORMAL:
+//		case GL_MAP2_TEXTURE_COORD_1:
+//		case GL_MAP2_TEXTURE_COORD_2:
+//		case GL_MAP2_TEXTURE_COORD_3:
+//		case GL_MAP2_TEXTURE_COORD_4:
+//		case GL_MAP2_VERTEX_3:
+//		case GL_MAP2_VERTEX_4:
+//		case GL_MINMAX:
+		case GL_NORMALIZE:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_NORMALIZE_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_POINT_SMOOTH:
+		case GL_POLYGON_OFFSET_POINT:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_OFFSET_POINT_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_POLYGON_OFFSET_LINE:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_OFFSET_LINE_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_POLYGON_OFFSET_FILL:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_OFFSET_FILL_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_POLYGON_SMOOTH:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_SMOOTH_ENABLE, 1);
+			OUT_RING(state);
+			break;
+		case GL_POLYGON_STIPPLE:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_STIPPLE_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_POST_COLOR_MATRIX_COLOR_TABLE:
+//		case GL_POST_CONVOLUTION_COLOR_TABLE:
+//		case GL_RESCALE_NORMAL:
+//		case GL_SCISSOR_TEST:
+//		case GL_SEPARABLE_2D:
+		case GL_STENCIL_TEST:
+			// TODO BACK and FRONT ?
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_STENCIL_ENABLE, 1);
+			OUT_RING(state);
+			break;
+//		case GL_TEXTURE_GEN_Q:
+//		case GL_TEXTURE_GEN_R:
+//		case GL_TEXTURE_GEN_S:
+//		case GL_TEXTURE_GEN_T:
+//		case GL_TEXTURE_1D:
+//		case GL_TEXTURE_2D:
+//		case GL_TEXTURE_3D:
+	}
+}
+
+static void nv20Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *params)
+{
+    nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+    switch(pname)
+    {
+        case GL_FOG_MODE:
+            BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_FOG_MODE, 1);
+            //OUT_RING (params);
+            break;
+            /* TODO: unsure about the rest.*/
+        default:
+            break;
+    }
+
+}
+   
+static void nv20Hint(GLcontext *ctx, GLenum target, GLenum mode)
+{
+	// TODO I need love (fog and line_smooth hints)
+}
+
+// void (*IndexMask)(GLcontext *ctx, GLuint mask);
+
+static void nv20Lightfv(GLcontext *ctx, GLenum light, GLenum pname, const GLfloat *params )
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	/* not sure where the fourth param value goes...*/
+	switch(pname)
+	{
+		case GL_AMBIENT:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_AMBIENT_A(light), 3);
+			OUT_RINGf(params[0]);
+			OUT_RINGf(params[1]);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_DIFFUSE:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_DIFFUSE_A(light), 3);
+			OUT_RINGf(params[0]);
+			OUT_RINGf(params[1]);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_SPECULAR:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_FRONT_SIDE_PRODUCT_SPECULAR_A(light), 3);
+			OUT_RINGf(params[0]);
+			OUT_RINGf(params[1]);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_SPOT_DIRECTION:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_DIR_X(light), 3);
+			OUT_RINGf(params[0]);
+			OUT_RINGf(params[1]);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_POSITION:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_POSITION_X(light), 3);
+			OUT_RINGf(params[0]);
+			OUT_RINGf(params[1]);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_SPOT_EXPONENT:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_EXPONENT(light), 1);
+			OUT_RINGf(*params);
+			break;
+		case GL_SPOT_CUTOFF:
+			/* you can't factor these */
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_A(light), 1);
+			OUT_RINGf(params[0]);
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_B(light), 1);
+			OUT_RINGf(params[1]);
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_SPOT_CUTOFF_C(light), 1);
+			OUT_RINGf(params[2]);
+			break;
+		case GL_CONSTANT_ATTENUATION:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_CONSTANT_ATTENUATION(light), 1);
+			OUT_RINGf(*params);
+			break;
+		case GL_LINEAR_ATTENUATION:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_LINEAR_ATTENUATION(light), 1);
+			OUT_RINGf(*params);
+			break;
+		case GL_QUADRATIC_ATTENUATION:
+			BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LIGHT_QUADRATIC_ATTENUATION(light), 1);
+			OUT_RINGf(*params);
+			break;
+		default:
+			break;
+	}
+}
+
+/** Set the lighting model parameters */
+static void (*LightModelfv)(GLcontext *ctx, GLenum pname, const GLfloat *params);
+
+
+static void nv20LineStipple(GLcontext *ctx, GLint factor, GLushort pattern )
+{
+/*	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LINE_STIPPLE_PATTERN, 1);
+	OUT_RING((pattern << 16) | factor);*/
+}
+
+static void nv20LineWidth(GLcontext *ctx, GLfloat width)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_LINE_WIDTH, 1);
+	OUT_RINGf(width);
+}
+
+static void nv20LogicOpcode(GLcontext *ctx, GLenum opcode)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_COLOR_LOGIC_OP_OP, 1);
+	OUT_RING(opcode);
+}
+
+static void nv20PointParameterfv(GLcontext *ctx, GLenum pname, const GLfloat *params)
+{
+	/*TODO: not sure what goes here. */
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	
+}
+
+/** Specify the diameter of rasterized points */
+static void nv20PointSize(GLcontext *ctx, GLfloat size)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POINT_SIZE, 1);
+	OUT_RINGf(size);
+}
+
+/** Select a polygon rasterization mode */
+static void nv20PolygonMode(GLcontext *ctx, GLenum face, GLenum mode)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+	if (face == GL_FRONT || face == GL_FRONT_AND_BACK) {
+		BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_MODE_FRONT, 1);
+		OUT_RING(mode);
+	}
+	if (face == GL_BACK || face == GL_FRONT_AND_BACK) {
+		BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_POLYGON_MODE_BACK, 1);
+		OUT_RING(mode);
+	}
+}
+
+/** Set the scale and units used to calculate depth values */
+void (*PolygonOffset)(GLcontext *ctx, GLfloat factor, GLfloat units);
+/** Set the polygon stippling pattern */
+void (*PolygonStipple)(GLcontext *ctx, const GLubyte *mask );
+/* Specifies the current buffer for reading */
+void (*ReadBuffer)( GLcontext *ctx, GLenum buffer );
+/** Set rasterization mode */
+void (*RenderMode)(GLcontext *ctx, GLenum mode );
+/** Define the scissor box */
+void (*Scissor)(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
+/** Select flat or smooth shading */
+void (*ShadeModel)(GLcontext *ctx, GLenum mode);
+
+/** OpenGL 2.0 two-sided StencilFunc */
+static void nv20StencilFuncSeparate(GLcontext *ctx, GLenum face, GLenum func,
+		GLint ref, GLuint mask)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_STENCIL_FUNC_FUNC, 3);
+	OUT_RING(func);
+	OUT_RING(ref);
+	OUT_RING(mask);
+}
+
+/** OpenGL 2.0 two-sided StencilMask */
+static void nv20StencilMaskSeparate(GLcontext *ctx, GLenum face, GLuint mask)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_STENCIL_MASK, 1);
+	OUT_RING(mask);
+}
+
+/** OpenGL 2.0 two-sided StencilOp */
+static void nv20StencilOpSeparate(GLcontext *ctx, GLenum face, GLenum fail,
+		GLenum zfail, GLenum zpass)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+	BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_STENCIL_OP_FAIL, 1);
+	OUT_RING(fail);
+	OUT_RING(zfail);
+	OUT_RING(zpass);
+}
+
+/** Control the generation of texture coordinates */
+void (*TexGen)(GLcontext *ctx, GLenum coord, GLenum pname,
+		const GLfloat *params);
+/** Set texture environment parameters */
+void (*TexEnv)(GLcontext *ctx, GLenum target, GLenum pname,
+		const GLfloat *param);
+/** Set texture parameters */
+void (*TexParameter)(GLcontext *ctx, GLenum target,
+		struct gl_texture_object *texObj,
+		GLenum pname, const GLfloat *params);
+void (*TextureMatrix)(GLcontext *ctx, GLuint unit, const GLmatrix *mat);
+
+/** Set the viewport */
+static void nv20Viewport(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+    /* TODO: Where do the VIEWPORT_XFRM_* regs come in? */
+    nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+    BEGIN_RING_SIZE(NvSub3D, NV20_TCL_PRIMITIVE_3D_VIEWPORT_HORIZ, 2);
+    OUT_RING((w << 16) | x);
+    OUT_RING((h << 16) | y);
+}
+
+void nv20InitStateFuncs(struct dd_function_table *func)
+{
+	func->AlphaFunc			= nv20AlphaFunc;
+	func->BlendColor		= nv20BlendColor;
+	func->BlendEquationSeparate	= nv20BlendEquationSeparate;
+	func->BlendFuncSeparate		= nv20BlendFuncSeparate;
+	func->ClearColor		= nv20ClearColor;
+	func->ClearDepth		= nv20ClearDepth;
+	func->ClearStencil		= nv20ClearStencil;
+	func->ClipPlane			= nv20ClipPlane;
+	func->ColorMask			= nv20ColorMask;
+	func->ColorMaterial		= nv20ColorMaterial;
+	func->CullFace			= nv20CullFace;
+	func->FrontFace			= nv20FrontFace;
+	func->DepthFunc			= nv20DepthFunc;
+	func->DepthMask			= nv20DepthMask;
+	func->DepthRange		= nv20DepthRange;
+	func->Enable			= nv20Enable;
+	func->Fogfv			= nv20Fogfv;
+	func->Hint			= nv20Hint;
+	func->Lightfv			= nv20Lightfv;
+/*	func->LightModelfv		= nv20LightModelfv; */
+	func->LineStipple		= nv20LineStipple;
+	func->LineWidth			= nv20LineWidth;
+	func->LogicOpcode		= nv20LogicOpcode;
+	func->PointParameterfv		= nv20PointParameterfv;
+	func->PointSize			= nv20PointSize;
+	func->PolygonMode		= nv20PolygonMode;
+#if 0
+	func->PolygonOffset		= nv20PolygonOffset;
+	func->PolygonStipple		= nv20PolygonStipple;
+	func->ReadBuffer		= nv20ReadBuffer;
+	func->RenderMode		= nv20RenderMode;
+	func->Scissor			= nv20Scissor;
+	func->ShadeModel		= nv20ShaderModel;
+#endif
+	func->StencilFuncSeparate	= nv20StencilFuncSeparate;
+	func->StencilMaskSeparate	= nv20StencilMaskSeparate;
+	func->StencilOpSeparate		= nv20StencilOpSeparate;
+#if 0
+	func->TexGen			= nv20TexGen;
+	func->TexParameter		= nv20TexParameter;
+	func->TextureMatrix		= nv20TextureMatrix;
+#endif
+	func->Viewport			= nv20Viewport;
+}
+