nouveau: add nv04 state support, and small nv04 fixes.

1 files changed, 497 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/nouveau/nv04_state.c b/src/mesa/drivers/dri/nouveau/nv04_state.c
new file mode 100644
index 0000000000..83ad8ae432
--- /dev/null
+++ b/src/mesa/drivers/dri/nouveau/nv04_state.c
@@ -0,0 +1,497 @@
+/**************************************************************************
+
+Copyright 2007 Stephane Marchesin
+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 "nouveau_msg.h"
+
+#include "tnl/t_pipeline.h"
+
+#include "mtypes.h"
+#include "colormac.h"
+
+static uint32_t nv04_compare_func(GLcontext *ctx,GLuint f)
+{
+	switch ( ctx->Color.AlphaFunc ) {
+		case GL_NEVER:		return 1;
+		case GL_LESS:		return 2;
+		case GL_EQUAL:		return 3;
+		case GL_LEQUAL:		return 4;
+		case GL_GREATER:	return 5;
+		case GL_NOTEQUAL:	return 6;
+		case GL_GEQUAL:		return 7;
+		case GL_ALWAYS:		return 8;
+	}
+	WARN_ONCE("Unable to find the function\n");
+	return 0;
+}
+
+static uint32_t nv04_blend_func(GLcontext *ctx,GLuint f)
+{
+	switch ( ctx->Color.AlphaFunc ) {
+		case GL_ZERO:			return 0x1;
+		case GL_ONE:			return 0x2;
+		case GL_SRC_COLOR:		return 0x3;
+		case GL_ONE_MINUS_SRC_COLOR:	return 0x4;
+		case GL_SRC_ALPHA:		return 0x5;
+		case GL_ONE_MINUS_SRC_ALPHA:	return 0x6;
+		case GL_DST_ALPHA:		return 0x7;
+		case GL_ONE_MINUS_DST_ALPHA:	return 0x8;
+		case GL_DST_COLOR:		return 0x9;
+		case GL_ONE_MINUS_DST_COLOR:	return 0xA;
+		case GL_SRC_ALPHA_SATURATE:	return 0xB;
+	}
+	WARN_ONCE("Unable to find the function\n");
+	return 0;
+}
+
+static void nv04_emit_control(GLcontext *ctx)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	uint32_t control,cull;
+	GLubyte alpha_ref;
+
+	CLAMPED_FLOAT_TO_UBYTE(alpha_ref, ctx->Color.AlphaRef);
+	control=alpha_ref;
+	control|=(nv04_compare_func(ctx,ctx->Color.AlphaFunc)<<8);
+	control|=(ctx->Color.AlphaEnabled<<12);
+	control|=(1<<13);
+	control|=(ctx->Depth.Test<<14);
+	control|=(nv04_compare_func(ctx,ctx->Depth.Func)<<16);
+	if ((ctx->Polygon.CullFlag)&&(ctx->Polygon.CullFaceMode!=GL_FRONT_AND_BACK))
+	{
+		if ((ctx->Polygon.FrontFace==GL_CW)&&(ctx->Polygon.CullFaceMode==GL_FRONT))
+			cull=2;
+		if ((ctx->Polygon.FrontFace==GL_CW)&&(ctx->Polygon.CullFaceMode==GL_BACK))
+			cull=3;
+		if ((ctx->Polygon.FrontFace==GL_CCW)&&(ctx->Polygon.CullFaceMode==GL_FRONT))
+			cull=3;
+		if ((ctx->Polygon.FrontFace==GL_CCW)&&(ctx->Polygon.CullFaceMode==GL_BACK))
+			cull=2;
+	}
+	else
+		if (ctx->Polygon.CullFaceMode==GL_FRONT_AND_BACK)
+			cull=0;
+		else
+			cull=1;
+	control|=(cull<<20);
+	control|=(ctx->Color.DitherFlag<<22);
+	if ((ctx->Depth.Test)&&(ctx->Depth.Mask))
+		control|=(1<<24);
+
+	control|=(1<<30); // integer zbuffer format
+
+	BEGIN_RING_CACHE(NvSub3D, NV04_DX5_TEXTURED_TRIANGLE_CONTROL, 1);
+	OUT_RING_CACHE(control);
+}
+
+static void nv04_emit_blend(GLcontext *ctx)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+	uint32_t blend;
+
+	blend=0x4; // texture MODULATE_ALPHA
+	blend|=0x20; // alpha is MSB
+	switch(ctx->Light.ShadeModel) {
+		case GL_SMOOTH:blend|=(1<<6);break;
+		case GL_FLAT:  blend|=(2<<6);break;
+		default:break;
+	}
+	if (ctx->Hint.PerspectiveCorrection!=GL_FASTEST)
+		blend|=(1<<8);
+	blend|=(ctx->Fog.Enabled<<16);
+	blend|=(ctx->Color.BlendEnabled<<20);
+	blend|=(nv04_blend_func(ctx,ctx->Color.BlendSrcRGB)<<24);
+	blend|=(nv04_blend_func(ctx,ctx->Color.BlendDstRGB)<<28);
+
+	BEGIN_RING_CACHE(NvSub3D, NV04_DX5_TEXTURED_TRIANGLE_BLEND, 1);
+	OUT_RING_CACHE(blend);
+}
+
+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]));
+}
+
+static void nv04AlphaFunc(GLcontext *ctx, GLenum func, GLfloat ref)
+{
+	nv04_emit_control(ctx);
+}
+
+static void nv04BlendColor(GLcontext *ctx, const GLfloat color[4])
+{
+	nv04_emit_blend(ctx);
+}
+
+static void nv04BlendEquationSeparate(GLcontext *ctx, GLenum modeRGB, GLenum modeA)
+{
+	nv04_emit_blend(ctx);
+}
+
+
+static void nv04BlendFuncSeparate(GLcontext *ctx, GLenum sfactorRGB, GLenum dfactorRGB,
+		GLenum sfactorA, GLenum dfactorA)
+{
+	nv04_emit_blend(ctx);
+}
+
+static void nv04Clear(GLcontext *ctx, GLbitfield mask)
+{
+	/* TODO */
+}
+
+static void nv04ClearColor(GLcontext *ctx, const GLfloat color[4])
+{
+	/* TODO */
+}
+
+static void nv04ClearDepth(GLcontext *ctx, GLclampd d)
+{
+	/* TODO */
+}
+
+static void nv04ClearStencil(GLcontext *ctx, GLint s)
+{
+	/* TODO */
+}
+
+static void nv04ClipPlane(GLcontext *ctx, GLenum plane, const GLfloat *equation)
+{
+	/* TODO */
+}
+
+static void nv04ColorMask(GLcontext *ctx, GLboolean rmask, GLboolean gmask,
+		GLboolean bmask, GLboolean amask )
+{
+	/* TODO */
+}
+
+static void nv04ColorMaterial(GLcontext *ctx, GLenum face, GLenum mode)
+{
+	/* TODO I need love */
+}
+
+static void nv04CullFace(GLcontext *ctx, GLenum mode)
+{
+	nv04_emit_control(ctx);
+}
+
+static void nv04FrontFace(GLcontext *ctx, GLenum mode)
+{
+	/* TODO */
+}
+
+static void nv04DepthFunc(GLcontext *ctx, GLenum func)
+{
+	nv04_emit_control(ctx);
+}
+
+static void nv04DepthMask(GLcontext *ctx, GLboolean flag)
+{
+	/* TODO */
+}
+
+static void nv04DepthRange(GLcontext *ctx, GLclampd nearval, GLclampd farval)
+{
+	/* TODO */
+}
+
+/** 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 nv04Enable(GLcontext *ctx, GLenum cap, GLboolean state)
+{
+	switch(cap)
+	{
+		case GL_ALPHA_TEST:
+			nv04_emit_control(ctx);
+			break;
+//		case GL_AUTO_NORMAL:
+		case GL_BLEND:
+			nv04_emit_blend(ctx);
+			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:
+//		case GL_COLOR_LOGIC_OP:
+//		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:
+			nv04_emit_control(ctx);
+			break;
+		case GL_DEPTH_TEST:
+			nv04_emit_control(ctx);
+			break;
+		case GL_DITHER:
+			nv04_emit_control(ctx);
+			break;
+		case GL_FOG:
+			nv04_emit_blend(ctx);
+			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:
+//		case GL_LIGHTING:
+//		case GL_LINE_SMOOTH:
+//		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:
+//		case GL_POINT_SMOOTH:
+//		case GL_POLYGON_OFFSET_POINT:
+//		case GL_POLYGON_OFFSET_LINE:
+//		case GL_POLYGON_OFFSET_FILL:
+//		case GL_POLYGON_SMOOTH:
+//		case GL_POLYGON_STIPPLE:
+//		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:
+//		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 nv04Fogfv(GLcontext *ctx, GLenum pname, const GLfloat *params)
+{
+	nv04_emit_blend(ctx);
+	nv04_emit_fog_color(ctx);
+}
+   
+static void nv04Hint(GLcontext *ctx, GLenum target, GLenum mode)
+{
+	switch(target)
+	{
+		case GL_PERSPECTIVE_CORRECTION_HINT:nv04_emit_blend(ctx);break;
+		default:break;
+	}
+}
+
+static void nv04LineStipple(GLcontext *ctx, GLint factor, GLushort pattern )
+{
+	/* TODO not even in your dreams */
+}
+
+static void nv04LineWidth(GLcontext *ctx, GLfloat width)
+{
+	/* TODO */
+}
+
+static void nv04LogicOpcode(GLcontext *ctx, GLenum opcode)
+{
+	/* TODO */
+}
+
+static void nv04PointParameterfv(GLcontext *ctx, GLenum pname, const GLfloat *params)
+{
+	/* TODO */
+}
+
+static void nv04PointSize(GLcontext *ctx, GLfloat size)
+{
+	/* TODO */
+}
+
+static void nv04PolygonMode(GLcontext *ctx, GLenum face, GLenum mode)
+{
+	/* TODO */
+}
+
+/** Set the scale and units used to calculate depth values */
+static void nv04PolygonOffset(GLcontext *ctx, GLfloat factor, GLfloat units)
+{
+	/* TODO */
+}
+
+/** Set the polygon stippling pattern */
+static void nv04PolygonStipple(GLcontext *ctx, const GLubyte *mask )
+{
+	/* TODO */
+}
+
+/* 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 */
+static void nv04Scissor(GLcontext *ctx, GLint x, GLint y, GLsizei w, GLsizei h)
+{
+	/* TODO */
+}
+
+/** Select flat or smooth shading */
+static void nv04ShadeModel(GLcontext *ctx, GLenum mode)
+{
+	nv04_emit_blend(ctx);
+}
+
+/** OpenGL 2.0 two-sided StencilFunc */
+static void nv04StencilFuncSeparate(GLcontext *ctx, GLenum face, GLenum func,
+		GLint ref, GLuint mask)
+{
+	/* TODO */
+}
+
+/** OpenGL 2.0 two-sided StencilMask */
+static void nv04StencilMaskSeparate(GLcontext *ctx, GLenum face, GLuint mask)
+{
+	/* TODO */
+}
+
+/** OpenGL 2.0 two-sided StencilOp */
+static void nv04StencilOpSeparate(GLcontext *ctx, GLenum face, GLenum fail,
+		GLenum zfail, GLenum zpass)
+{
+	/* TODO */
+}
+
+/** 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);
+
+/* Update anything that depends on the window position/size */
+static void nv04WindowMoved(nouveauContextPtr nmesa)
+{
+}
+
+/* Initialise any card-specific non-GL related state */
+static GLboolean nv04InitCard(nouveauContextPtr nmesa)
+{
+	return GL_TRUE;
+}
+
+/* Update buffer offset/pitch/format */
+static GLboolean nv04BindBuffers(nouveauContextPtr nmesa, int num_color,
+				 nouveau_renderbuffer **color,
+				 nouveau_renderbuffer *depth)
+{
+	return GL_TRUE;
+}
+
+void nv04InitStateFuncs(GLcontext *ctx, struct dd_function_table *func)
+{
+	nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
+
+	func->AlphaFunc			= nv04AlphaFunc;
+	func->BlendColor		= nv04BlendColor;
+	func->BlendEquationSeparate	= nv04BlendEquationSeparate;
+	func->BlendFuncSeparate		= nv04BlendFuncSeparate;
+	func->Clear			= nv04Clear;
+	func->ClearColor		= nv04ClearColor;
+	func->ClearDepth		= nv04ClearDepth;
+	func->ClearStencil		= nv04ClearStencil;
+	func->ClipPlane			= nv04ClipPlane;
+	func->ColorMask			= nv04ColorMask;
+	func->ColorMaterial		= nv04ColorMaterial;
+	func->CullFace			= nv04CullFace;
+	func->FrontFace			= nv04FrontFace;
+	func->DepthFunc			= nv04DepthFunc;
+	func->DepthMask			= nv04DepthMask;
+	func->DepthRange		= nv04DepthRange;
+	func->Enable			= nv04Enable;
+	func->Fogfv			= nv04Fogfv;
+	func->Hint			= nv04Hint;
+/*	func->Lightfv			= nv04Lightfv;*/
+/*	func->LightModelfv		= nv04LightModelfv; */
+	func->LineStipple		= nv04LineStipple;		/* Not for NV04 */
+	func->LineWidth			= nv04LineWidth;
+	func->LogicOpcode		= nv04LogicOpcode;
+	func->PointParameterfv		= nv04PointParameterfv;
+	func->PointSize			= nv04PointSize;
+	func->PolygonMode		= nv04PolygonMode;
+	func->PolygonOffset		= nv04PolygonOffset;
+	func->PolygonStipple		= nv04PolygonStipple;		/* Not for NV04 */
+/*	func->ReadBuffer		= nv04ReadBuffer;*/
+/*	func->RenderMode		= nv04RenderMode;*/
+	func->Scissor			= nv04Scissor;
+	func->ShadeModel		= nv04ShadeModel;
+	func->StencilFuncSeparate	= nv04StencilFuncSeparate;
+	func->StencilMaskSeparate	= nv04StencilMaskSeparate;
+	func->StencilOpSeparate		= nv04StencilOpSeparate;
+/*	func->TexGen			= nv04TexGen;*/
+/*	func->TexParameter		= nv04TexParameter;*/
+/*	func->TextureMatrix		= nv04TextureMatrix;*/
+
+	nmesa->hw_func.InitCard		= nv04InitCard;
+	nmesa->hw_func.BindBuffers	= nv04BindBuffers;
+	nmesa->hw_func.WindowMoved	= nv04WindowMoved;
+}