add SciTech's GLDirect driver for Windows.

This code is donated to Mesa which allows the usage of
a Direct3D layer (DX7, DX8, DX9 or complete software fallback).

No build system exists for this code yet, that will come.....

1 files changed, 281 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gldirect/dx9/gld_vb_d3d_render_dx9.c b/src/mesa/drivers/windows/gldirect/dx9/gld_vb_d3d_render_dx9.c
new file mode 100644
index 0000000000..30650d6f9a
--- /dev/null
+++ b/src/mesa/drivers/windows/gldirect/dx9/gld_vb_d3d_render_dx9.c
@@ -0,0 +1,281 @@
+/****************************************************************************
+*
+*                        Mesa 3-D graphics library
+*                        Direct3D Driver Interface
+*
+*  ========================================================================
+*
+*   Copyright (C) 1991-2004 SciTech Software, Inc. 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
+*   the rights to use, copy, modify, merge, publish, distribute, sublicense,
+*   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 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 NONINFRINGEMENT.  IN NO EVENT SHALL
+*   SCITECH SOFTWARE INC 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.
+*
+*  ======================================================================
+*
+* Language:     ANSI C
+* Environment:  Windows 9x/2000/XP/XBox (Win32)
+*
+* Description:  GLDirect fastpath pipeline stage
+*
+****************************************************************************/
+
+//---------------------------------------------------------------------------
+
+//#include "../GLDirect.h"
+//#include "../gld_log.h"
+//#include "gld_dx8.h"
+
+#include "dglcontext.h"
+#include "ddlog.h"
+#include "gld_dx9.h"
+
+//---------------------------------------------------------------------------
+
+#include "glheader.h"
+#include "context.h"
+#include "macros.h"
+// #include "mem.h"
+#include "mtypes.h"
+#include "mmath.h"
+
+#include "math/m_matrix.h"
+#include "math/m_xform.h"
+
+#include "tnl/t_pipeline.h"
+
+//---------------------------------------------------------------------------
+
+__inline void _gldSetVertexShaderConstants(
+	GLcontext *ctx,
+	GLD_driver_dx9 *gld)
+{
+	D3DXMATRIX mat, matView, matProj;
+	GLfloat		*pM;
+
+	// Mesa 5: Altered to a Stack
+	//pM = ctx->ModelView.m;
+	pM = ctx->ModelviewMatrixStack.Top->m;
+	matView._11 = pM[0];
+	matView._12 = pM[1];
+	matView._13 = pM[2];
+	matView._14 = pM[3];
+	matView._21 = pM[4];
+	matView._22 = pM[5];
+	matView._23 = pM[6];
+	matView._24 = pM[7];
+	matView._31 = pM[8];
+	matView._32 = pM[9];
+	matView._33 = pM[10];
+	matView._34 = pM[11];
+	matView._41 = pM[12];
+	matView._42 = pM[13];
+	matView._43 = pM[14];
+	matView._44 = pM[15];
+
+	// Mesa 5: Altered to a Stack
+	//pM = ctx->ProjectionMatrix.m;
+	pM = ctx->ProjectionMatrixStack.Top->m;
+	matProj._11 = pM[0];
+	matProj._12 = pM[1];
+	matProj._13 = pM[2];
+	matProj._14 = pM[3];
+	matProj._21 = pM[4];
+	matProj._22 = pM[5];
+	matProj._23 = pM[6];
+	matProj._24 = pM[7];
+	matProj._31 = pM[8];
+	matProj._32 = pM[9];
+	matProj._33 = pM[10];
+	matProj._34 = pM[11];
+	matProj._41 = pM[12];
+	matProj._42 = pM[13];
+	matProj._43 = pM[14];
+	matProj._44 = pM[15];
+
+	D3DXMatrixMultiply( &mat, &matView, &matProj );
+	D3DXMatrixTranspose( &mat, &mat );
+
+	_GLD_DX9_DEV(SetVertexShaderConstantF(gld->pDev, 0, (float*)&mat, 4));
+}
+
+//---------------------------------------------------------------------------
+
+static GLboolean gld_d3d_render_stage_run(
+	GLcontext *ctx,
+	struct gl_pipeline_stage *stage)
+{
+	GLD_context				*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9			*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	TNLcontext				*tnl;
+	struct vertex_buffer	*VB;
+	GLuint					new_inputs;
+	render_func				*tab;
+	GLint					pass;
+	GLD_pb_dx9				*gldPB = &gld->PB3d;
+/*
+	static int count = 0;
+	count++;
+	if (count != 2)
+		return GL_FALSE;
+*/
+	// The "check" function should disable this stage,
+	// but we'll test gld->bUseMesaTnL anyway.
+	if (gld->bUseMesaTnL) {
+		// Do nothing in this stage, but continue pipeline
+		return GL_FALSE;
+	}
+	
+	tnl = TNL_CONTEXT(ctx);
+	VB = &tnl->vb;
+	new_inputs = stage->changed_inputs;
+	pass = 0;
+
+   tnl->Driver.Render.Start( ctx );
+
+#if 0
+   // For debugging: Useful to see if an app passes colour data in
+   // an unusual format.
+   switch (VB->ColorPtr[0]->Type) {
+   case GL_FLOAT:
+	   ddlogMessage(GLDLOG_SYSTEM, "ColorPtr: GL_FLOAT\n");
+	   break;
+   case GL_UNSIGNED_BYTE:
+	   ddlogMessage(GLDLOG_SYSTEM, "ColorPtr: GL_UNSIGNED_BYTE\n");
+	   break;
+   default:
+	   ddlogMessage(GLDLOG_SYSTEM, "ColorPtr: *?*\n");
+	   break;
+   }
+#endif
+
+   tnl->Driver.Render.Points		= gld_Points3D_DX9;
+   if (ctx->_TriangleCaps & DD_FLATSHADE) {
+	   tnl->Driver.Render.Line		= gld_Line3DFlat_DX9;
+	   tnl->Driver.Render.Triangle	= gld_Triangle3DFlat_DX9;
+	   tnl->Driver.Render.Quad		= gld_Quad3DFlat_DX9;
+   } else {
+	   tnl->Driver.Render.Line		= gld_Line3DSmooth_DX9;
+	   tnl->Driver.Render.Triangle	= gld_Triangle3DSmooth_DX9;
+	   tnl->Driver.Render.Quad		= gld_Quad3DSmooth_DX9;
+   }
+
+	_GLD_DX9_VB(Lock(gldPB->pVB, 0, 0, &gldPB->pPoints, D3DLOCK_DISCARD));
+	gldPB->nPoints = gldPB->nLines = gldPB->nTriangles = 0;
+	// Allocate primitive pointers
+	// gldPB->pPoints is always first
+	gldPB->pLines		= gldPB->pPoints + (gldPB->dwStride * gldPB->iFirstLine);
+	gldPB->pTriangles	= gldPB->pPoints + (gldPB->dwStride * gldPB->iFirstTriangle);
+	
+	ASSERT(tnl->Driver.Render.BuildVertices);
+	ASSERT(tnl->Driver.Render.PrimitiveNotify);
+	ASSERT(tnl->Driver.Render.Points);
+	ASSERT(tnl->Driver.Render.Line);
+	ASSERT(tnl->Driver.Render.Triangle);
+	ASSERT(tnl->Driver.Render.Quad);
+	ASSERT(tnl->Driver.Render.ResetLineStipple);
+	ASSERT(tnl->Driver.Render.Interp);
+	ASSERT(tnl->Driver.Render.CopyPV);
+	ASSERT(tnl->Driver.Render.ClippedLine);
+	ASSERT(tnl->Driver.Render.ClippedPolygon);
+	ASSERT(tnl->Driver.Render.Finish);
+
+	tab = (VB->Elts ? tnl->Driver.Render.PrimTabElts : tnl->Driver.Render.PrimTabVerts);
+	
+	do {
+		GLuint i, length, flags = 0;
+		for (i = 0 ; !(flags & PRIM_LAST) ; i += length)
+		{
+			flags = VB->Primitive[i];
+			length= VB->PrimitiveLength[i];
+			ASSERT(length || (flags & PRIM_LAST));
+			ASSERT((flags & PRIM_MODE_MASK) <= GL_POLYGON+1);
+			if (length)
+				tab[flags & PRIM_MODE_MASK]( ctx, i, i + length, flags );
+		}
+	} while (tnl->Driver.Render.Multipass &&
+		tnl->Driver.Render.Multipass( ctx, ++pass ));
+	
+	_GLD_DX9_VB(Unlock(gldPB->pVB));
+
+	_GLD_DX9_DEV(SetStreamSource(gld->pDev, 0, gldPB->pVB, 0, gldPB->dwStride));
+
+	_GLD_DX9_DEV(SetTransform(gld->pDev, D3DTS_PROJECTION, &gld->matProjection));
+	_GLD_DX9_DEV(SetTransform(gld->pDev, D3DTS_WORLD, &gld->matModelView));
+
+	if (gldPB->nPoints) {
+		_GLD_DX9_DEV(DrawPrimitive(gld->pDev, D3DPT_POINTLIST, 0, gldPB->nPoints));
+		gldPB->nPoints = 0;
+	}
+
+	if (gldPB->nLines) {
+		_GLD_DX9_DEV(DrawPrimitive(gld->pDev, D3DPT_LINELIST, gldPB->iFirstLine, gldPB->nLines));
+		gldPB->nLines = 0;
+	}
+
+	if (gldPB->nTriangles) {
+		_GLD_DX9_DEV(DrawPrimitive(gld->pDev, D3DPT_TRIANGLELIST, gldPB->iFirstTriangle, gldPB->nTriangles));
+		gldPB->nTriangles = 0;
+	}
+
+	return GL_FALSE;		/* finished the pipe */
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_d3d_render_stage_check(
+	GLcontext *ctx,
+	struct gl_pipeline_stage *stage)
+{
+	GLD_context				*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9			*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+	// Is this thread safe?
+	stage->active = (gld->bUseMesaTnL) ? GL_FALSE : GL_TRUE;
+	return;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_d3d_render_stage_dtr( struct gl_pipeline_stage *stage )
+{
+}
+
+//---------------------------------------------------------------------------
+
+const struct gl_pipeline_stage _gld_d3d_render_stage =
+{
+   "gld_d3d_render_stage",
+   (_NEW_BUFFERS |
+    _DD_NEW_SEPARATE_SPECULAR |
+    _DD_NEW_FLATSHADE |
+    _NEW_TEXTURE|
+    _NEW_LIGHT|
+    _NEW_POINT|
+    _NEW_FOG|
+    _DD_NEW_TRI_UNFILLED |
+    _NEW_RENDERMODE),		/* re-check (new inputs, interp function) */
+   0,				/* re-run (always runs) */
+   GL_TRUE,			/* active */
+   0, 0,			/* inputs (set in check_render), outputs */
+   0, 0,			/* changed_inputs, private */
+   gld_d3d_render_stage_dtr,		/* destructor */
+   gld_d3d_render_stage_check,		/* check */
+   gld_d3d_render_stage_run			/* run */
+};
+
+//---------------------------------------------------------------------------