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, 1965 insertions, 0 deletions

diff --git a/src/mesa/drivers/windows/gldirect/dx9/gld_texture_dx9.c b/src/mesa/drivers/windows/gldirect/dx9/gld_texture_dx9.c
new file mode 100644
index 0000000000..ad2f4aab6f
--- /dev/null
+++ b/src/mesa/drivers/windows/gldirect/dx9/gld_texture_dx9.c
@@ -0,0 +1,1965 @@
+/****************************************************************************
+*
+*                        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:  Texture / Bitmap functions
+*
+****************************************************************************/
+
+#include "dglcontext.h"
+#include "ddlog.h"
+#include "gld_dx9.h"
+
+#include <d3dx9tex.h>
+
+#include "texformat.h"
+#include "colormac.h"
+#include "texstore.h"
+#include "image.h"
+// #include "mem.h"
+
+//---------------------------------------------------------------------------
+
+#define GLD_FLIP_HEIGHT(y,h) (gldCtx->dwHeight - (y) - (h))
+
+//---------------------------------------------------------------------------
+// 1D texture fetch
+//---------------------------------------------------------------------------
+
+#define CHAN_SRC( t, i, j, k, sz )					\
+	((GLchan *)(t)->Data + (i) * (sz))
+#define UBYTE_SRC( t, i, j, k, sz )					\
+	((GLubyte *)(t)->Data + (i) * (sz))
+#define USHORT_SRC( t, i, j, k )					\
+	((GLushort *)(t)->Data + (i))
+#define FLOAT_SRC( t, i, j, k )						\
+	((GLfloat *)(t)->Data + (i))
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_1d_texel_X8R8G8B8(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 );
+   GLchan *rgba = (GLchan *) texel;
+   rgba[RCOMP] = src[2];
+   rgba[GCOMP] = src[1];
+   rgba[BCOMP] = src[0];
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_1d_texel_X1R5G5B5(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0xf8) * 255 / 0xf8 );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  5) & 0xf8) * 255 / 0xf8 );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf8) * 255 / 0xf8 );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_1d_texel_X4R4G4B4(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >>  8) & 0xf) * 255 / 0xf );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  4) & 0xf) * 255 / 0xf );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf) * 255 / 0xf );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+#undef CHAN_SRC
+#undef UBYTE_SRC
+#undef USHORT_SRC
+#undef FLOAT_SRC
+
+//---------------------------------------------------------------------------
+// 2D texture fetch
+//---------------------------------------------------------------------------
+
+#define CHAN_SRC( t, i, j, k, sz )					\
+	((GLchan *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
+#define UBYTE_SRC( t, i, j, k, sz )					\
+	((GLubyte *)(t)->Data + ((t)->Width * (j) + (i)) * (sz))
+#define USHORT_SRC( t, i, j, k )					\
+	((GLushort *)(t)->Data + ((t)->Width * (j) + (i)))
+#define FLOAT_SRC( t, i, j, k )						\
+	((GLfloat *)(t)->Data + ((t)->Width * (j) + (i)))
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_2d_texel_X8R8G8B8(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 );
+   GLchan *rgba = (GLchan *) texel;
+   rgba[RCOMP] = src[2];
+   rgba[GCOMP] = src[1];
+   rgba[BCOMP] = src[0];
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_2d_texel_X1R5G5B5(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0xf8) * 255 / 0xf8 );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  5) & 0xf8) * 255 / 0xf8 );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf8) * 255 / 0xf8 );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_2d_texel_X4R4G4B4(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >>  8) & 0xf) * 255 / 0xf );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  4) & 0xf) * 255 / 0xf );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf) * 255 / 0xf );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+#undef CHAN_SRC
+#undef UBYTE_SRC
+#undef USHORT_SRC
+#undef FLOAT_SRC
+
+//---------------------------------------------------------------------------
+// 3D texture fetch
+//---------------------------------------------------------------------------
+
+#define CHAN_SRC( t, i, j, k, sz )					\
+	(GLchan *)(t)->Data + (((t)->Height * (k) + (j)) *		\
+				(t)->Width + (i)) * (sz)
+#define UBYTE_SRC( t, i, j, k, sz )					\
+	((GLubyte *)(t)->Data + (((t)->Height * (k) + (j)) *		\
+				 (t)->Width + (i)) * (sz))
+#define USHORT_SRC( t, i, j, k )					\
+	((GLushort *)(t)->Data + (((t)->Height * (k) + (j)) *		\
+				  (t)->Width + (i)))
+#define FLOAT_SRC( t, i, j, k )						\
+	((GLfloat *)(t)->Data + (((t)->Height * (k) + (j)) *		\
+				  (t)->Width + (i)))
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_3d_texel_X8R8G8B8(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLchan *src = CHAN_SRC( texImage, i, j, k, 4 );
+   GLchan *rgba = (GLchan *) texel;
+   rgba[RCOMP] = src[2];
+   rgba[GCOMP] = src[1];
+   rgba[BCOMP] = src[0];
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_3d_texel_X1R5G5B5(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >> 10) & 0xf8) * 255 / 0xf8 );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  5) & 0xf8) * 255 / 0xf8 );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf8) * 255 / 0xf8 );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+static void gld_fetch_3d_texel_X4R4G4B4(
+	const struct gl_texture_image *texImage,
+	GLint i, GLint j, GLint k, GLvoid *texel )
+{
+   const GLushort *src = USHORT_SRC( texImage, i, j, k );
+   GLchan *rgba = (GLchan *) texel; GLushort s = *src;
+   rgba[RCOMP] = UBYTE_TO_CHAN( ((s >>  8) & 0xf) * 255 / 0xf );
+   rgba[GCOMP] = UBYTE_TO_CHAN( ((s >>  4) & 0xf) * 255 / 0xf );
+   rgba[BCOMP] = UBYTE_TO_CHAN( ((s      ) & 0xf) * 255 / 0xf );
+   rgba[ACOMP] = CHAN_MAX;
+}
+
+//---------------------------------------------------------------------------
+
+#undef CHAN_SRC
+#undef UBYTE_SRC
+#undef USHORT_SRC
+#undef FLOAT_SRC
+
+//---------------------------------------------------------------------------
+// Direct3D texture formats that have no Mesa equivalent
+//---------------------------------------------------------------------------
+
+const struct gl_texture_format _gld_texformat_X8R8G8B8 = {
+   MESA_FORMAT_ARGB8888,		/* MesaFormat */
+   GL_RGBA,				/* BaseFormat */
+//   GL_UNSIGNED_BYTE,	/* Type */
+   8,					/* RedBits */
+   8,					/* GreenBits */
+   8,					/* BlueBits */
+   0,					/* AlphaBits */
+   0,					/* LuminanceBits */
+   0,					/* IntensityBits */
+   0,					/* IndexBits */
+   0,					/* DepthBits */
+   4,					/* TexelBytes */
+   gld_fetch_1d_texel_X8R8G8B8,		/* FetchTexel1D */
+   gld_fetch_2d_texel_X8R8G8B8,		/* FetchTexel2D */
+   gld_fetch_3d_texel_X8R8G8B8,		/* FetchTexel3D */
+};
+
+const struct gl_texture_format _gld_texformat_X1R5G5B5 = {
+   MESA_FORMAT_ARGB1555,		/* MesaFormat */
+   GL_RGBA,				/* BaseFormat */
+//   GL_UNSIGNED_SHORT_1_5_5_5_REV,	/* Type */
+   5,					/* RedBits */
+   5,					/* GreenBits */
+   5,					/* BlueBits */
+   0,					/* AlphaBits */
+   0,					/* LuminanceBits */
+   0,					/* IntensityBits */
+   0,					/* IndexBits */
+   0,					/* DepthBits */
+   2,					/* TexelBytes */
+   gld_fetch_1d_texel_X1R5G5B5,		/* FetchTexel1D */
+   gld_fetch_2d_texel_X1R5G5B5,		/* FetchTexel2D */
+   gld_fetch_3d_texel_X1R5G5B5,		/* FetchTexel3D */
+};
+
+const struct gl_texture_format _gld_texformat_X4R4G4B4 = {
+   MESA_FORMAT_ARGB4444,		/* MesaFormat */
+   GL_RGBA,				/* BaseFormat */
+//   GL_UNSIGNED_SHORT_4_4_4_4_REV,	/* Type */
+   4,					/* RedBits */
+   4,					/* GreenBits */
+   4,					/* BlueBits */
+   0,					/* AlphaBits */
+   0,					/* LuminanceBits */
+   0,					/* IntensityBits */
+   0,					/* IndexBits */
+   0,					/* DepthBits */
+   2,					/* TexelBytes */
+   gld_fetch_1d_texel_X4R4G4B4,		/* FetchTexel1D */
+   gld_fetch_2d_texel_X4R4G4B4,		/* FetchTexel2D */
+   gld_fetch_3d_texel_X4R4G4B4,		/* FetchTexel3D */
+};
+
+//---------------------------------------------------------------------------
+// Texture unit constants
+//---------------------------------------------------------------------------
+
+// List of possible combinations of texture environments.
+// Example: GLD_TEXENV_MODULATE_RGBA means 
+//          GL_MODULATE, GL_RGBA base internal format.
+#define GLD_TEXENV_DECAL_RGB		0
+#define GLD_TEXENV_DECAL_RGBA		1
+#define GLD_TEXENV_DECAL_ALPHA		2
+#define GLD_TEXENV_REPLACE_RGB		3
+#define GLD_TEXENV_REPLACE_RGBA		4
+#define GLD_TEXENV_REPLACE_ALPHA	5
+#define GLD_TEXENV_MODULATE_RGB		6
+#define GLD_TEXENV_MODULATE_RGBA	7
+#define GLD_TEXENV_MODULATE_ALPHA	8
+#define GLD_TEXENV_BLEND_RGB		9
+#define GLD_TEXENV_BLEND_RGBA		10
+#define GLD_TEXENV_BLEND_ALPHA		11
+#define GLD_TEXENV_ADD_RGB			12
+#define GLD_TEXENV_ADD_RGBA			13
+#define GLD_TEXENV_ADD_ALPHA		14
+
+// Per-stage (i.e. per-unit) texture environment
+typedef struct {
+	DWORD			ColorArg1;	// Colour argument 1
+	D3DTEXTUREOP	ColorOp;	// Colour operation
+	DWORD			ColorArg2;	// Colour argument 2
+	DWORD			AlphaArg1;	// Alpha argument 1
+	D3DTEXTUREOP	AlphaOp;	// Alpha operation
+	DWORD			AlphaArg2;	// Alpha argument 2
+} GLD_texenv;
+
+// TODO: Do we really need to set ARG1 and ARG2 every time?
+//       They seem to always be TEXTURE and CURRENT respectively.
+
+// C = Colour out
+// A = Alpha out
+// Ct = Colour from Texture
+// Cf = Colour from fragment (diffuse)
+// At = Alpha from Texture
+// Af = Alpha from fragment (diffuse)
+// Cc = GL_TEXTURE_ENV_COLOUR (GL_BLEND)
+const GLD_texenv gldTexEnv[] = {
+	// DECAL_RGB: C=Ct, A=Af
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// DECAL_RGBA: C=Cf(1-At)+CtAt, A=Af
+	{D3DTA_TEXTURE, D3DTOP_BLENDTEXTUREALPHA, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// DECAL_ALPHA: <undefined> use DECAL_RGB
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+
+	// REPLACE_RGB: C=Ct, A=Af
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// REPLACE_RGBA: C=Ct, A=At
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT},
+	// REPLACE_ALPHA: C=Cf, A=At
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG1, D3DTA_CURRENT},
+
+	// MODULATE_RGB: C=CfCt, A=Af
+	{D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// MODULATE_RGBA: C=CfCt, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+	// MODULATE_ALPHA: C=Cf, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+
+	// BLEND_RGB: C=Cf(1-Ct)+CcCt, A=Af
+	{D3DTA_TEXTURE, D3DTOP_LERP, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// BLEND_RGBA: C=Cf(1-Ct)+CcCt, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_LERP, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+	// BLEND_ALPHA: C=Cf, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+
+	// ADD_RGB: C=Cf+Ct, A=Af
+	{D3DTA_TEXTURE, D3DTOP_ADD, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT},
+	// ADD_RGBA: C=Cf+Ct, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_ADD, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+	// ADD_ALPHA: C=Cf, A=AfAt
+	{D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_CURRENT,
+	D3DTA_TEXTURE, D3DTOP_MODULATE, D3DTA_CURRENT},
+};
+
+//---------------------------------------------------------------------------
+
+D3DTEXTUREADDRESS _gldConvertWrap(
+	GLenum wrap)
+{
+	return (wrap == GL_CLAMP) ? D3DTADDRESS_CLAMP : D3DTADDRESS_WRAP;
+}
+
+//---------------------------------------------------------------------------
+
+D3DTEXTUREFILTERTYPE _gldConvertMagFilter(
+	GLenum magfilter)
+{
+	return (magfilter == GL_LINEAR) ? D3DTEXF_LINEAR : D3DTEXF_POINT;
+}
+
+//---------------------------------------------------------------------------
+
+void _gldConvertMinFilter(
+	GLenum minfilter,
+	D3DTEXTUREFILTERTYPE *min_filter,
+	D3DTEXTUREFILTERTYPE *mip_filter)
+{
+	switch (minfilter) {
+	case GL_NEAREST:
+		*min_filter = D3DTEXF_POINT;
+		*mip_filter = D3DTEXF_NONE;
+		break;
+	case GL_LINEAR:
+		*min_filter = D3DTEXF_LINEAR;
+		*mip_filter = D3DTEXF_NONE;
+		break;
+	case GL_NEAREST_MIPMAP_NEAREST:
+		*min_filter = D3DTEXF_POINT;
+		*mip_filter = D3DTEXF_POINT;
+		break;
+	case GL_LINEAR_MIPMAP_NEAREST:
+		*min_filter = D3DTEXF_LINEAR;
+		*mip_filter = D3DTEXF_POINT;
+		break;
+	case GL_NEAREST_MIPMAP_LINEAR:
+		*min_filter = D3DTEXF_POINT;
+		*mip_filter = D3DTEXF_LINEAR;
+		break;
+	case GL_LINEAR_MIPMAP_LINEAR:
+		*min_filter = D3DTEXF_LINEAR;
+		*mip_filter = D3DTEXF_LINEAR;
+		break;
+	}
+}
+
+//---------------------------------------------------------------------------
+
+D3DFORMAT _gldGLFormatToD3DFormat(
+	GLenum internalFormat)
+{
+	switch (internalFormat) {
+	case GL_INTENSITY:
+	case GL_INTENSITY4:
+	case GL_INTENSITY8:
+	case GL_INTENSITY12:
+	case GL_INTENSITY16:
+		// LUNIMANCE != INTENSITY, but D3D doesn't have I8 textures
+		return D3DFMT_L8;
+	case 1:
+	case GL_LUMINANCE:
+	case GL_LUMINANCE4:
+	case GL_LUMINANCE8:
+	case GL_LUMINANCE12:
+	case GL_LUMINANCE16:
+		return D3DFMT_L8;
+	case GL_ALPHA:
+	case GL_ALPHA4:
+	case GL_ALPHA8:
+	case GL_ALPHA12:
+	case GL_ALPHA16:
+		return D3DFMT_A8;
+	case GL_COLOR_INDEX:
+	case GL_COLOR_INDEX1_EXT:
+	case GL_COLOR_INDEX2_EXT:
+	case GL_COLOR_INDEX4_EXT:
+	case GL_COLOR_INDEX8_EXT:
+	case GL_COLOR_INDEX12_EXT:
+	case GL_COLOR_INDEX16_EXT:
+		return D3DFMT_X8R8G8B8;
+	case 2:
+	case GL_LUMINANCE_ALPHA:
+	case GL_LUMINANCE4_ALPHA4:
+	case GL_LUMINANCE6_ALPHA2:
+	case GL_LUMINANCE8_ALPHA8:
+	case GL_LUMINANCE12_ALPHA4:
+	case GL_LUMINANCE12_ALPHA12:
+	case GL_LUMINANCE16_ALPHA16:
+		return D3DFMT_A8L8;
+	case GL_R3_G3_B2:
+		// TODO: Mesa does not support RGB332 internally
+		return D3DFMT_X4R4G4B4; //D3DFMT_R3G3B2;
+	case GL_RGB4:
+		return D3DFMT_X4R4G4B4;
+	case GL_RGB5:
+		return D3DFMT_X1R5G5B5;
+	case 3:
+	case GL_RGB:
+	case GL_RGB8:
+	case GL_RGB10:
+	case GL_RGB12:
+	case GL_RGB16:
+		return D3DFMT_R8G8B8;
+	case GL_RGBA4:
+		return D3DFMT_A4R4G4B4;
+	case 4:
+	case GL_RGBA:
+	case GL_RGBA2:
+	case GL_RGBA8:
+	case GL_RGB10_A2:
+	case GL_RGBA12:
+	case GL_RGBA16:
+		return D3DFMT_A8R8G8B8;
+	case GL_RGB5_A1:
+		return D3DFMT_A1R5G5B5;
+	}
+
+	// Return an acceptable default
+	return D3DFMT_A8R8G8B8;
+}
+
+//---------------------------------------------------------------------------
+
+GLenum _gldDecodeBaseFormat(
+	IDirect3DTexture9 *pTex)
+{
+	// Examine Direct3D texture and return base OpenGL internal texture format
+	// NOTE: We can't use any base format info from Mesa because D3D might have
+	// used a different texture format when we used D3DXCreateTexture().
+
+	// Base internal format is one of (Red Book p355):
+	//	GL_ALPHA, 
+	//	GL_LUMINANCE, 
+	//	GL_LUMINANCE_ALPHA, 
+	//	GL_INTENSITY, 
+	//	GL_RGB, 
+	//	GL_RGBA
+
+	// NOTE: INTENSITY not used (not supported by Direct3D)
+	//       LUMINANCE has same texture functions as RGB
+	//       LUMINANCE_ALPHA has same texture functions as RGBA
+
+	// TODO: cache format instead of using GetLevelDesc()
+	D3DSURFACE_DESC desc;
+	_GLD_DX9_TEX(GetLevelDesc(pTex, 0, &desc));
+
+	switch (desc.Format) {
+    case D3DFMT_R8G8B8:
+    case D3DFMT_X8R8G8B8:
+    case D3DFMT_R5G6B5:
+    case D3DFMT_X1R5G5B5:
+    case D3DFMT_R3G3B2:
+    case D3DFMT_X4R4G4B4:
+    case D3DFMT_P8:
+    case D3DFMT_L8:
+		return GL_RGB;
+    case D3DFMT_A8R8G8B8:
+    case D3DFMT_A1R5G5B5:
+    case D3DFMT_A4R4G4B4:
+    case D3DFMT_A8R3G3B2:
+    case D3DFMT_A8P8:
+    case D3DFMT_A8L8:
+    case D3DFMT_A4L4:
+		return GL_RGBA;
+    case D3DFMT_A8:
+		return GL_ALPHA;
+	// Compressed texture formats. Need to check these...
+    case D3DFMT_DXT1:
+		return GL_RGBA;
+    case D3DFMT_DXT2:
+		return GL_RGB;
+    case D3DFMT_DXT3:
+		return GL_RGBA;
+    case D3DFMT_DXT4:
+		return GL_RGB;
+    case D3DFMT_DXT5:
+		return GL_RGBA;
+	}
+
+	// Fell through. Return arbitary default.
+	return GL_RGBA;
+}
+
+//---------------------------------------------------------------------------
+
+const struct gl_texture_format* _gldMesaFormatForD3DFormat(
+	D3DFORMAT d3dfmt)
+{
+	switch (d3dfmt) {
+	case D3DFMT_A8R8G8B8:
+		return &_mesa_texformat_argb8888;
+	case D3DFMT_R8G8B8:
+		return &_mesa_texformat_rgb888;
+	case D3DFMT_R5G6B5:
+		return &_mesa_texformat_rgb565;
+	case D3DFMT_A4R4G4B4:
+		return &_mesa_texformat_argb4444;
+	case D3DFMT_A1R5G5B5:
+		return &_mesa_texformat_argb1555;
+	case D3DFMT_A8L8:
+		return &_mesa_texformat_al88;
+	case D3DFMT_R3G3B2:
+		return &_mesa_texformat_rgb332;
+	case D3DFMT_A8:
+		return &_mesa_texformat_a8;
+	case D3DFMT_L8:
+		return &_mesa_texformat_l8;
+	case D3DFMT_X8R8G8B8:
+		return &_gld_texformat_X8R8G8B8;
+	case D3DFMT_X1R5G5B5:
+		return &_gld_texformat_X1R5G5B5;
+	case D3DFMT_X4R4G4B4:
+		return &_gld_texformat_X4R4G4B4;
+	}
+
+	// If we reach here then we've made an error somewhere else
+	// by allowing a format that is not supported.
+	assert(0);
+
+	return NULL; // Shut up compiler warning
+}
+
+//---------------------------------------------------------------------------
+// Copy* functions
+//---------------------------------------------------------------------------
+
+void gldCopyTexImage1D_DX9(
+	GLcontext *ctx,
+	GLenum target, GLint level,
+	GLenum internalFormat,
+	GLint x, GLint y,
+	GLsizei width, GLint border )
+{
+	// TODO
+}
+
+//---------------------------------------------------------------------------
+
+void gldCopyTexImage2D_DX9(
+	GLcontext *ctx,
+	GLenum target,
+	GLint level,
+	GLenum internalFormat,
+	GLint x,
+	GLint y,
+	GLsizei width,
+	GLsizei height,
+	GLint border)
+{
+	// TODO
+}
+
+//---------------------------------------------------------------------------
+
+void gldCopyTexSubImage1D_DX9(
+	GLcontext *ctx,
+	GLenum target, GLint level,
+	GLint xoffset, GLint x, GLint y, GLsizei width )
+{
+	// TODO
+}
+
+//---------------------------------------------------------------------------
+
+void gldCopyTexSubImage2D_DX9(
+	GLcontext *ctx,
+	GLenum target,
+	GLint level,
+	GLint xoffset,
+	GLint yoffset,
+	GLint x,
+	GLint y,
+	GLsizei width,
+	GLsizei height)
+{
+	// TODO
+}
+
+//---------------------------------------------------------------------------
+
+void gldCopyTexSubImage3D_DX9(
+	GLcontext *ctx,
+	GLenum target,
+	GLint level,
+	GLint xoffset,
+	GLint yoffset,
+	GLint zoffset,
+	GLint x,
+	GLint y,
+	GLsizei width,
+	GLsizei height )
+{
+	// TODO ?
+}
+
+//---------------------------------------------------------------------------
+// Bitmap/Pixel functions
+//---------------------------------------------------------------------------
+
+#define GLD_FLIP_Y(y) (gldCtx->dwHeight - (y))
+
+#define _GLD_FVF_IMAGE	(D3DFVF_XYZRHW | D3DFVF_TEX1)
+
+typedef struct {
+	FLOAT	x, y;		// 2D raster coords
+	FLOAT	z;			// depth value
+	FLOAT	rhw;		// reciprocal homogenous W (always 1.0f)
+	FLOAT	tu, tv;		// texture coords
+} _GLD_IMAGE_VERTEX;
+
+//---------------------------------------------------------------------------
+
+HRESULT _gldDrawPixels(
+	GLcontext *ctx,
+	BOOL bChromakey,	// Alpha test for glBitmap() images
+	GLint x,			// GL x position
+	GLint y,			// GL y position (needs flipping)
+	GLsizei width,		// Width of input image
+	GLsizei height,		// Height of input image
+	IDirect3DSurface9 *pImage)
+{
+	//
+	// Draw input image as texture implementing PixelZoom and clipping.
+	// Any fragment operations currently enabled will be used.
+	//
+
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	IDirect3DTexture9	*pTexture;
+	D3DSURFACE_DESC		d3dsd;
+	IDirect3DSurface9	*pSurface;
+	_GLD_IMAGE_VERTEX	v[4];
+	HRESULT				hr;
+
+	float				ZoomWidth, ZoomHeight;
+	float				ScaleWidth, ScaleHeight;
+
+	// Create a texture to hold image
+	hr = D3DXCreateTexture(
+		gld->pDev,
+		width, height,
+		1, // miplevels
+		0, // usage
+		D3DFMT_A8R8G8B8, // format
+		D3DPOOL_MANAGED, // pool
+		&pTexture);
+	if (FAILED(hr))
+		return hr;
+
+	hr = IDirect3DTexture9_GetSurfaceLevel(pTexture, 0, &pSurface);
+	if (FAILED(hr)) {
+		IDirect3DTexture9_Release(pTexture);
+		return hr;
+	}
+
+	// Copy image into texture
+	hr = D3DXLoadSurfaceFromSurface(
+		pSurface, NULL, NULL,	// Dest surface
+		pImage, NULL, NULL,		// Src surface
+		D3DX_FILTER_NONE,
+		0);
+	IDirect3DSurface9_Release(pSurface);
+	if (FAILED(hr)) {
+		IDirect3DTexture9_Release(pTexture);
+		return hr;
+	}
+
+	//
+	// Set up the quad like this (ascii-art ahead!)
+	//
+	// 3--2
+	// |  |
+	// 0--1
+	//
+	//
+
+	// Set depth
+	v[0].z = v[1].z = v[2].z = v[3].z = ctx->Current.RasterPos[2];
+	// Set Reciprocal Homogenous W
+	v[0].rhw = v[1].rhw = v[2].rhw = v[3].rhw = 1.0f;
+
+	// Set texcoords
+	// Examine texture size - if different to input width and height
+	// then we'll need to munge the texcoords to fit.
+	IDirect3DTexture9_GetLevelDesc(pTexture, 0, &d3dsd);
+	ScaleWidth = (float)width / (float)d3dsd.Width;
+	ScaleHeight = (float)height / (float)d3dsd.Height;
+	v[0].tu = 0.0f;			v[0].tv = 0.0f;
+	v[1].tu = ScaleWidth;	v[1].tv = 0.0f;
+	v[2].tu = ScaleWidth;	v[2].tv = ScaleHeight;
+	v[3].tu = 0.0f;			v[3].tv = ScaleHeight;
+
+	// Set raster positions
+	ZoomWidth = (float)width * ctx->Pixel.ZoomX;
+	ZoomHeight = (float)height * ctx->Pixel.ZoomY;
+
+	v[0].x = x;				v[0].y = GLD_FLIP_Y(y);
+	v[1].x = x+ZoomWidth;	v[1].y = GLD_FLIP_Y(y);
+	v[2].x = x+ZoomWidth;	v[2].y = GLD_FLIP_Y(y+ZoomHeight);
+	v[3].x = x;				v[3].y = GLD_FLIP_Y(y+ZoomHeight);
+
+	// Draw image with full HW acceleration
+	// NOTE: Be nice to use a State Block for all this state...
+	IDirect3DDevice9_SetTexture(gld->pDev, 0, pTexture);
+	IDirect3DDevice9_SetRenderState(gld->pDev, D3DRS_CULLMODE, D3DCULL_NONE);
+	IDirect3DDevice9_SetRenderState(gld->pDev, D3DRS_CLIPPING, TRUE);
+
+//	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_MINFILTER, D3DTEXF_POINT);
+//	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_MIPFILTER, D3DTEXF_POINT);
+//	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_MAGFILTER, D3DTEXF_POINT);
+//	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_ADDRESSU, D3DTADDRESS_CLAMP);
+//	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_ADDRESSV, D3DTADDRESS_CLAMP);
+	IDirect3DDevice9_SetSamplerState(gld->pDev, 0, D3DSAMP_MINFILTER, D3DTEXF_POINT);
+	IDirect3DDevice9_SetSamplerState(gld->pDev, 0, D3DSAMP_MIPFILTER, D3DTEXF_POINT);
+	IDirect3DDevice9_SetSamplerState(gld->pDev, 0, D3DSAMP_MAGFILTER, D3DTEXF_POINT);
+	IDirect3DDevice9_SetSamplerState(gld->pDev, 0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
+	IDirect3DDevice9_SetSamplerState(gld->pDev, 0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
+
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_COLOROP, D3DTOP_SELECTARG1);
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_ALPHAOP, D3DTOP_SELECTARG1);
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 1, D3DTSS_COLOROP, D3DTOP_DISABLE);
+	IDirect3DDevice9_SetTextureStageState(gld->pDev, 1, D3DTSS_ALPHAOP, D3DTOP_DISABLE);
+
+	IDirect3DDevice9_SetVertexShader(gld->pDev, NULL);
+	IDirect3DDevice9_SetFVF(gld->pDev, _GLD_FVF_IMAGE);
+
+	//
+	// Emulate Chromakey with an Alpha Test.
+	// [Alpha Test is more widely supported anyway]
+	//
+	if (bChromakey) {
+		// Switch on alpha testing
+		IDirect3DDevice9_SetRenderState(gld->pDev, D3DRS_ALPHATESTENABLE, TRUE);
+		// Fragment passes is alpha is greater than reference value
+		IDirect3DDevice9_SetRenderState(gld->pDev, D3DRS_ALPHAFUNC, D3DCMP_GREATER);
+		// Set alpha reference value between Bitmap alpha values of
+		// zero (transparent) and one (opaque).
+		IDirect3DDevice9_SetRenderState(gld->pDev, D3DRS_ALPHAREF, 0x7f);
+	}
+
+	IDirect3DDevice9_DrawPrimitiveUP(gld->pDev, D3DPT_TRIANGLEFAN, 2, &v, sizeof(_GLD_IMAGE_VERTEX));
+
+	// Release texture
+	IDirect3DDevice9_SetTexture(gld->pDev, 0, NULL);
+	IDirect3DTexture9_Release(pTexture);
+
+	// Reset state to before we messed it up
+	FLUSH_VERTICES(ctx, _NEW_ALL);
+
+	return S_OK;
+}
+
+//---------------------------------------------------------------------------
+
+void gld_DrawPixels_DX9(
+	GLcontext *ctx,
+	GLint x, GLint y, GLsizei width, GLsizei height,
+	GLenum format, GLenum type,
+	const struct gl_pixelstore_attrib *unpack,
+	const GLvoid *pixels )
+{
+	GLD_context			*gldCtx;
+	GLD_driver_dx9		*gld;
+
+	IDirect3DSurface9	*pImage;
+	HRESULT				hr;
+	D3DLOCKED_RECT		d3dLockedRect;
+
+	// Mesa does not currently handle this format.
+	if (format == GL_BGR)
+		return;
+
+	gldCtx	= GLD_GET_CONTEXT(ctx);
+	gld		= GLD_GET_DX9_DRIVER(gldCtx);
+
+	hr = IDirect3DDevice9_CreateOffscreenPlainSurface(
+		gld->pDev, 
+		width,
+		height,
+		D3DFMT_A8R8G8B8,
+		D3DPOOL_SCRATCH,
+		&pImage,
+		NULL);
+	if (FAILED(hr)) {
+		return;
+	}
+
+	//
+	// Use Mesa to fill in image
+	//
+
+	// Lock all of surface 
+	hr = IDirect3DSurface9_LockRect(pImage, &d3dLockedRect, NULL, 0);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pImage);
+		return;
+	}
+
+	// unpack image, apply transfer ops and store directly in texture
+	_mesa_transfer_teximage(
+		ctx,
+		2,
+		GL_RGBA,
+		&_mesa_texformat_argb8888,
+		d3dLockedRect.pBits,
+		width, height, 1, 0, 0, 0,
+		d3dLockedRect.Pitch,
+		0, /* dstImageStride */
+		format, type, pixels, unpack);
+
+	IDirect3DSurface9_UnlockRect(pImage);
+
+	_gldDrawPixels(ctx, FALSE, x, y, width, height, pImage);
+
+	IDirect3DSurface9_Release(pImage);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_ReadPixels_DX9(
+	GLcontext *ctx,
+	GLint x, GLint y, GLsizei width, GLsizei height,
+	GLenum format, GLenum type,
+	const struct gl_pixelstore_attrib *pack,
+	GLvoid *dest)
+{
+
+	GLD_context						*gldCtx;
+	GLD_driver_dx9					*gld;
+
+	IDirect3DSurface9				*pBackbuffer = NULL;
+	IDirect3DSurface9				*pNativeImage = NULL;
+	IDirect3DSurface9				*pCanonicalImage = NULL;
+
+	D3DSURFACE_DESC					d3dsd;
+	RECT							rcSrc; // Source rect
+	POINT							ptDst; // Dest point
+	HRESULT							hr;
+	D3DLOCKED_RECT					d3dLockedRect;
+	struct gl_pixelstore_attrib		srcPacking;
+	int								i;
+	GLint							DstRowStride;
+	const struct gl_texture_format	*MesaFormat;
+
+	switch (format) {
+	case GL_STENCIL_INDEX:
+	case GL_DEPTH_COMPONENT:
+		return;
+	}
+	
+	MesaFormat = _mesa_choose_tex_format(ctx, format, format, type);
+	DstRowStride = _mesa_image_row_stride(pack, width, format, type);
+
+	gldCtx	= GLD_GET_CONTEXT(ctx);
+	gld		= GLD_GET_DX9_DRIVER(gldCtx);
+
+	// Get backbuffer
+	hr = IDirect3DDevice9_GetBackBuffer(
+		gld->pDev,
+		0, // First swapchain
+		0, // First backbuffer
+		D3DBACKBUFFER_TYPE_MONO,
+		&pBackbuffer);
+	if (FAILED(hr))
+		return;
+
+	// Get backbuffer description
+	hr = IDirect3DSurface9_GetDesc(pBackbuffer, &d3dsd);
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	// Create a surface compatible with backbuffer
+	hr = IDirect3DDevice9_CreateOffscreenPlainSurface(
+		gld->pDev, 
+		width,
+		height,
+		d3dsd.Format,
+		D3DPOOL_SCRATCH,
+		&pNativeImage,
+		NULL);
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	// Compute source rect and dest point
+	SetRect(&rcSrc, 0, 0, width, height);
+	OffsetRect(&rcSrc, x, GLD_FLIP_HEIGHT(y, height));
+	ptDst.x = ptDst.y = 0;
+
+	// Get source pixels.
+	//
+	// This intermediate surface ensure that we can use CopyRects()
+	// instead of relying on D3DXLoadSurfaceFromSurface(), which may
+	// try and lock the backbuffer. This way seems safer.
+	//
+	// CopyRects has been removed for DX9.
+	//
+/*	hr = IDirect3DDevice9_CopyRects(
+		gld->pDev,
+		pBackbuffer,
+		&rcSrc,
+		1,
+		pNativeImage,
+		&ptDst);*/
+	hr = D3DXLoadSurfaceFromSurface(
+			pNativeImage,		// Dest surface
+			NULL,				// Dest palette
+			&rcSrc,				// Dest rect
+			pBackbuffer,		// Src surface
+			NULL,				// Src palette
+			&rcSrc,				// Src rect
+			D3DX_FILTER_NONE,	// Filter
+			0					// Colorkey (0=no colorkey)
+		);
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	// Create an RGBA8888 surface
+	hr = IDirect3DDevice9_CreateOffscreenPlainSurface(
+		gld->pDev, 
+		width,
+		height,
+		D3DFMT_A8R8G8B8,
+		D3DPOOL_SCRATCH,
+		&pCanonicalImage,
+		NULL);
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	// Convert to RGBA8888
+	hr = D3DXLoadSurfaceFromSurface(
+		pCanonicalImage,	// Dest surface
+		NULL, NULL,			// Dest palette, RECT
+		pNativeImage,		// Src surface
+		NULL, NULL,			// Src palette, RECT
+		D3DX_FILTER_NONE,	// Filter
+		0);					// Colourkey
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	srcPacking.Alignment	= 1;
+	srcPacking.ImageHeight	= height;
+	srcPacking.LsbFirst		= GL_FALSE;
+	srcPacking.RowLength	= 0;
+	srcPacking.SkipImages	= 0;
+	srcPacking.SkipPixels	= 0;
+	srcPacking.SkipRows		= 0;
+	srcPacking.SwapBytes	= GL_FALSE;
+
+	// Lock all of image
+	hr = IDirect3DSurface9_LockRect(pCanonicalImage, &d3dLockedRect, NULL, 0);
+	if (FAILED(hr)) {
+		goto gld_ReadPixels_DX9_return;
+	}
+
+	// We need to flip the data. Yuck.
+	// Perhaps Mesa has a span packer we can use in future...
+	for (i=0; i<height; i++) {
+		BYTE *pDestRow = (BYTE*)_mesa_image_address(pack, dest, width, height, format, type, 0, i, 0);
+		BYTE *pSrcRow = (BYTE*)d3dLockedRect.pBits + (d3dLockedRect.Pitch * (height-i-1));
+		_mesa_transfer_teximage(
+			ctx,
+			2,
+			GL_RGBA,				// base format
+			MesaFormat,				// dst format
+			pDestRow,				// dest addr
+			width, 1, 1, 0, 0, 0,	// src x,y,z & dst offsets x,y,z
+			DstRowStride,			// dst row stride
+			0,						// dstImageStride
+			GL_BGRA,				// src format
+			GL_UNSIGNED_BYTE,		// src type
+			pSrcRow,				// src addr
+			&srcPacking);			// packing params of source image
+	}
+
+	IDirect3DSurface9_UnlockRect(pCanonicalImage);
+
+gld_ReadPixels_DX9_return:
+	SAFE_RELEASE_SURFACE9(pCanonicalImage);
+	SAFE_RELEASE_SURFACE9(pNativeImage);
+	SAFE_RELEASE_SURFACE9(pBackbuffer);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_CopyPixels_DX9(
+	GLcontext *ctx,
+	GLint srcx,
+	GLint srcy,
+	GLsizei width,
+	GLsizei height,
+	GLint dstx,
+	GLint dsty,
+	GLenum type)
+{
+	//
+	// NOTE: Not allowed to copy vidmem to vidmem!
+	//       Therefore we use an intermediate image surface.
+	//
+
+	GLD_context			*gldCtx;
+	GLD_driver_dx9		*gld;
+
+	IDirect3DSurface9	*pBackbuffer;
+	D3DSURFACE_DESC		d3dsd;
+	IDirect3DSurface9	*pImage;
+	RECT				rcSrc; // Source rect
+	POINT				ptDst; // Dest point
+	HRESULT				hr;
+
+	// Only backbuffer
+	if (type != GL_COLOR)
+		return;
+
+	gldCtx	= GLD_GET_CONTEXT(ctx);
+	gld		= GLD_GET_DX9_DRIVER(gldCtx);
+
+	// Get backbuffer
+	hr = IDirect3DDevice9_GetBackBuffer(
+		gld->pDev,
+		0, // First swapchain
+		0, // First backbuffer
+		D3DBACKBUFFER_TYPE_MONO,
+		&pBackbuffer);
+	if (FAILED(hr))
+		return;
+
+	// Get backbuffer description
+	hr = IDirect3DSurface9_GetDesc(pBackbuffer, &d3dsd);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pBackbuffer);
+		return;
+	}
+
+	// Create a surface compatible with backbuffer
+	hr = IDirect3DDevice9_CreateOffscreenPlainSurface(
+		gld->pDev, 
+		width,
+		height,
+		d3dsd.Format,
+		D3DPOOL_SCRATCH,
+		&pImage,
+		NULL);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pBackbuffer);
+		return;
+	}
+
+	// Compute source rect and dest point
+	SetRect(&rcSrc, 0, 0, width, height);
+	OffsetRect(&rcSrc, srcx, GLD_FLIP_HEIGHT(srcy, height));
+	ptDst.x = ptDst.y = 0;
+
+	// Get source pixels
+/*	hr = IDirect3DDevice8_CopyRects(
+		gld->pDev,
+		pBackbuffer,
+		&rcSrc,
+		1,
+		pImage,
+		&ptDst);*/
+	hr = D3DXLoadSurfaceFromSurface(
+			pImage,				// Dest surface
+			NULL,				// Dest palette
+			&rcSrc,				// Dest rect
+			pBackbuffer,		// Src surface
+			NULL,				// Src palette
+			&rcSrc,				// Src rect
+			D3DX_FILTER_NONE,	// Filter
+			0					// Colorkey (0=no colorkey)
+		);
+	IDirect3DSurface9_Release(pBackbuffer);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pImage);
+		return;
+	}
+
+	_gldDrawPixels(ctx, FALSE, dstx, dsty, width, height, pImage);
+
+	IDirect3DSurface9_Release(pImage);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_Bitmap_DX9(
+	GLcontext *ctx,
+	GLint x,
+	GLint y,
+	GLsizei width,
+	GLsizei height,
+	const struct gl_pixelstore_attrib *unpack,
+	const GLubyte *bitmap)
+{
+	GLD_context			*gldCtx;
+	GLD_driver_dx9		*gld;
+
+	IDirect3DSurface9	*pImage;
+	HRESULT				hr;
+	D3DLOCKED_RECT		d3dLockedRect;
+	BYTE				*pTempBitmap;
+	D3DCOLOR			clBitmapOne, clBitmapZero;
+	D3DCOLOR			*pBits;
+	const GLubyte		*src;
+	int					i, j, k;
+
+	gldCtx	= GLD_GET_CONTEXT(ctx);
+	gld		= GLD_GET_DX9_DRIVER(gldCtx);
+
+	// A NULL bitmap is valid, but merely advances the raster position
+	if ((bitmap == NULL) || (width == 0) || (height == 0))
+		return;
+
+	clBitmapZero	= D3DCOLOR_RGBA(0,0,0,0); // NOTE: Alpha is Zero
+	clBitmapOne		= D3DCOLOR_COLORVALUE(
+		ctx->Current.RasterColor[0],
+		ctx->Current.RasterColor[1],
+		ctx->Current.RasterColor[2],
+		1.0f); // NOTE: Alpha is One
+
+	hr = IDirect3DDevice9_CreateOffscreenPlainSurface(
+		gld->pDev, 
+		width,
+		height,
+		D3DFMT_A8R8G8B8,
+		D3DPOOL_SCRATCH,
+		&pImage,
+		NULL);
+	if (FAILED(hr)) {
+		return;
+	}
+
+	// Lock all of surface 
+	hr = IDirect3DSurface9_LockRect(pImage, &d3dLockedRect, NULL, 0);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pImage);
+		return;
+	}
+
+	pTempBitmap = _mesa_unpack_bitmap(width, height, bitmap, unpack);
+	if (pTempBitmap == NULL) {
+		IDirect3DSurface9_Release(pImage);
+		return;
+	}
+
+	pBits = (D3DCOLOR*)d3dLockedRect.pBits;
+
+	for (i=0; i<height; i++) {
+		GLubyte byte;
+		pBits = (D3DCOLOR*)((BYTE*)d3dLockedRect.pBits + (i*d3dLockedRect.Pitch));
+		src = (const GLubyte *) _mesa_image_address(
+			&_mesa_native_packing, pTempBitmap, width, height, GL_COLOR_INDEX, GL_BITMAP,
+			0, i, 0);
+		for (j=0; j<(width>>3); j++) {
+			byte = *src++;
+			for (k=0; k<8; k++) {
+				*pBits++ = (byte & 128) ? clBitmapOne : clBitmapZero;
+				byte <<= 1;
+			}
+		}
+		// Fill remaining bits from bitmap
+		if (width & 7) {
+			byte = *src;
+			for (k=0; k<(width & 7); k++) {
+				*pBits++ = (byte & 128) ? clBitmapOne : clBitmapZero;
+				byte <<= 1;
+			}
+		}
+	}
+
+	FREE(pTempBitmap);
+
+/*
+	// unpack image, apply transfer ops and store directly in texture
+	_mesa_transfer_teximage(
+		ctx,
+		2,
+		GL_BITMAP,
+		&_mesa_texformat_argb8888,
+		d3dLockedRect.pBits,
+		width, height, 1, 0, 0, 0,
+		d3dLockedRect.Pitch,
+		0, // dstImageStride
+		GL_BITMAP, GL_COLOR_INDEX, bitmap, unpack);
+*/
+	IDirect3DSurface9_UnlockRect(pImage);
+
+	_gldDrawPixels(ctx, TRUE, x, y, width, height, pImage);
+
+	IDirect3DSurface9_Release(pImage);
+}
+
+//---------------------------------------------------------------------------
+// Texture functions
+//---------------------------------------------------------------------------
+
+void _gldAllocateTexture(
+	GLcontext *ctx,
+	struct gl_texture_object *tObj,
+	struct gl_texture_image *texImage)
+{
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	IDirect3DTexture9	*pTex;
+	D3DFORMAT			d3dFormat;
+
+	if (!tObj || !texImage)
+		return;
+
+	pTex = (IDirect3DTexture9*)tObj->DriverData;
+	if (pTex) {
+		// Decide whether we can keep existing D3D texture
+		// by examining top-level surface.
+		D3DSURFACE_DESC d3dsd;
+		_GLD_DX9_TEX(GetLevelDesc(pTex, 0, &d3dsd));
+		// Release existing texture if not compatible
+		if ((d3dsd.Width == texImage->Width) || 
+			(d3dsd.Height == texImage->Height))
+		{
+			return; // Keep the existing texture
+		}
+		tObj->DriverData = NULL;
+		_GLD_DX9_TEX(Release(pTex));
+	}
+
+	d3dFormat = _gldGLFormatToD3DFormat(texImage->IntFormat);
+	D3DXCreateTexture(
+		gld->pDev,
+		texImage->Width,
+		texImage->Height,
+		// TODO: Re-evaluate mipmapping
+		(glb.bUseMipmaps) ? D3DX_DEFAULT : 1,
+		0,				// Usage
+		d3dFormat,
+		D3DPOOL_MANAGED,
+		&pTex);
+	tObj->DriverData = pTex;
+}
+
+//---------------------------------------------------------------------------
+
+const struct gl_texture_format* gld_ChooseTextureFormat_DX9(
+	GLcontext *ctx,
+	GLint internalFormat,
+	GLenum srcFormat,
+	GLenum srcType)
+{
+	// [Based on mesa_choose_tex_format()]
+	//
+	// We will choose only texture formats that are supported
+	// by Direct3D. If the hardware doesn't support a particular
+	// texture format, then the D3DX texture calls that we use
+	// will automatically use a HW supported format.
+	//
+	// The most critical aim is to reduce copying; if we can use
+	// texture-image data directly then it will be a big performance assist.
+	//
+
+	switch (internalFormat) {
+	case GL_INTENSITY:
+	case GL_INTENSITY4:
+	case GL_INTENSITY8:
+	case GL_INTENSITY12:
+	case GL_INTENSITY16:
+		return &_mesa_texformat_l8; // D3DFMT_L8
+	case 1:
+	case GL_LUMINANCE:
+	case GL_LUMINANCE4:
+	case GL_LUMINANCE8:
+	case GL_LUMINANCE12:
+	case GL_LUMINANCE16:
+		return &_mesa_texformat_l8; // D3DFMT_L8
+	case GL_ALPHA:
+	case GL_ALPHA4:
+	case GL_ALPHA8:
+	case GL_ALPHA12:
+	case GL_ALPHA16:
+		return &_mesa_texformat_a8; // D3DFMT_A8
+	case GL_COLOR_INDEX:
+	case GL_COLOR_INDEX1_EXT:
+	case GL_COLOR_INDEX2_EXT:
+	case GL_COLOR_INDEX4_EXT:
+	case GL_COLOR_INDEX8_EXT:
+	case GL_COLOR_INDEX12_EXT:
+	case GL_COLOR_INDEX16_EXT:
+		return &_mesa_texformat_rgb565; // D3DFMT_R5G6B5
+		// Mesa will convert this for us later...
+		//      return &_mesa_texformat_ci8; // D3DFMT_R5G6B5
+	case 2:
+	case GL_LUMINANCE_ALPHA:
+	case GL_LUMINANCE4_ALPHA4:
+	case GL_LUMINANCE6_ALPHA2:
+	case GL_LUMINANCE8_ALPHA8:
+	case GL_LUMINANCE12_ALPHA4:
+	case GL_LUMINANCE12_ALPHA12:
+	case GL_LUMINANCE16_ALPHA16:
+		return &_mesa_texformat_al88; // D3DFMT_A8L8
+	case GL_R3_G3_B2:
+		return &_mesa_texformat_rgb332; // D3DFMT_R3G3B2
+	case GL_RGB4:
+	case GL_RGBA4:
+	case GL_RGBA2:
+		return &_mesa_texformat_argb4444; // D3DFMT_A4R4G4B4
+	case 3:
+	case GL_RGB:
+	case GL_RGB5:
+	case GL_RGB8:
+	case GL_RGB10:
+	case GL_RGB12:
+	case GL_RGB16:
+		return &_mesa_texformat_rgb565;
+	case 4:
+	case GL_RGBA:
+	case GL_RGBA8:
+	case GL_RGB10_A2:
+	case GL_RGBA12:
+	case GL_RGBA16:
+		return &_mesa_texformat_argb8888;
+	case GL_RGB5_A1:
+		return &_mesa_texformat_argb1555;
+	default:
+		_mesa_problem(NULL, "unexpected format in fxDDChooseTextureFormat");
+		return NULL;
+   }
+}
+
+//---------------------------------------------------------------------------
+
+/*
+// Safer(?), slower version.
+void gld_TexImage2D_DX9(
+	GLcontext *ctx,
+	GLenum target,
+	GLint level,
+	GLint internalFormat,
+	GLint width,
+	GLint height,
+	GLint border,
+	GLenum format,
+	GLenum type,
+	const GLvoid *pixels,
+	const struct gl_pixelstore_attrib *packing,
+	struct gl_texture_object *tObj,
+	struct gl_texture_image *texImage)
+{
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	IDirect3DTexture9	*pTex;
+	IDirect3DSurface9	*pSurface;
+	RECT				rcSrcRect;
+	HRESULT				hr;
+	GLint				texelBytes = 4;
+	GLvoid				*tempImage;
+
+	if (!tObj || !texImage)
+		return;
+
+	if (level == 0) {
+		_gldAllocateTexture(ctx, tObj, texImage);
+	}
+
+	pTex = (IDirect3DTexture9*)tObj->DriverData;
+	if (!pTex)
+		return; // Texture has not been created
+	if (level >= IDirect3DTexture9_GetLevelCount(pTex))
+		return; // Level does not exist
+	hr = IDirect3DTexture9_GetSurfaceLevel(pTex, level, &pSurface);
+	if (FAILED(hr))
+		return; // Surface level doesn't exist (or just a plain error)
+
+	tempImage = MALLOC(width * height * texelBytes);
+	if (!tempImage) {
+		_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+		IDirect3DSurface9_Release(pSurface);
+		return;
+	}
+	// unpack image, apply transfer ops and store in tempImage
+	_mesa_transfer_teximage(ctx, 2, texImage->Format,
+		&_mesa_texformat_argb8888, // dest format
+		tempImage,
+		width, height, 1, 0, 0, 0,
+		width * texelBytes,
+		0, // dstImageStride
+		format, type, pixels, packing);
+
+	SetRect(&rcSrcRect, 0, 0, width, height);
+	D3DXLoadSurfaceFromMemory(
+		pSurface,
+		NULL,
+		NULL,
+		tempImage,
+		D3DFMT_A8R8G8B8,
+		width * texelBytes,
+		NULL,
+		&rcSrcRect,
+		D3DX_FILTER_NONE,
+		0);
+
+	FREE(tempImage);
+	IDirect3DSurface9_Release(pSurface);
+}
+*/
+
+//---------------------------------------------------------------------------
+
+// Faster, more efficient version.
+// Copies subimage straight to dest texture
+void gld_TexImage2D_DX9(
+	GLcontext *ctx,
+	GLenum target,
+	GLint level,
+	GLint internalFormat,
+	GLint width,
+	GLint height,
+	GLint border,
+	GLenum format,
+	GLenum type,
+	const GLvoid *pixels,
+	const struct gl_pixelstore_attrib *packing,
+	struct gl_texture_object *tObj,
+	struct gl_texture_image *texImage)
+{
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	IDirect3DTexture9	*pTex;
+	IDirect3DSurface9	*pSurface;
+	HRESULT				hr;
+	D3DLOCKED_RECT		d3dLockedRect;
+	D3DSURFACE_DESC		d3dsd;
+
+	if (!tObj || !texImage)
+		return;
+
+	// GLQUAKE FIX
+	// Test for input alpha data with non-alpha internalformat
+	if (((internalFormat==3) || (internalFormat==GL_RGB)) && (format==GL_RGBA)) {
+		// Input format has alpha, but a non-alpha format has been requested.
+		texImage->IntFormat = GL_RGBA;
+		internalFormat = GL_RGBA;
+	}
+
+	if (level == 0) {
+		_gldAllocateTexture(ctx, tObj, texImage);
+	}
+
+	pTex = (IDirect3DTexture9*)tObj->DriverData;
+	if (!pTex)
+		return; // Texture has not been created
+	if (level >= IDirect3DTexture9_GetLevelCount(pTex))
+		return; // Level does not exist
+	hr = IDirect3DTexture9_GetSurfaceLevel(pTex, level, &pSurface);
+	if (FAILED(hr))
+		return; // Surface level doesn't exist (or just a plain error)
+
+	IDirect3DSurface9_GetDesc(pSurface, &d3dsd);
+
+	// Lock all of surface 
+	hr = IDirect3DSurface9_LockRect(pSurface, &d3dLockedRect, NULL, 0);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pSurface);
+		return;
+	}
+
+	// unpack image, apply transfer ops and store directly in texture
+	_mesa_transfer_teximage(
+		ctx,
+		2,
+		texImage->Format,
+		_gldMesaFormatForD3DFormat(d3dsd.Format),
+		d3dLockedRect.pBits,
+		width, height, 1, 0, 0, 0,
+		d3dLockedRect.Pitch,
+		0, // dstImageStride
+		format, type, pixels, packing);
+
+	IDirect3DSurface9_UnlockRect(pSurface);
+	IDirect3DSurface9_Release(pSurface);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_TexImage1D_DX9(GLcontext *ctx, GLenum target, GLint level,
+                       GLint internalFormat,
+                       GLint width, GLint border,
+                       GLenum format, GLenum type, const GLvoid *pixels,
+                       const struct gl_pixelstore_attrib *packing,
+                       struct gl_texture_object *texObj,
+                       struct gl_texture_image *texImage )
+{
+	// A 1D texture is a 2D texture with a height of zero
+	gld_TexImage2D_DX9(ctx, target, level, internalFormat, width, 1, border, format, type, pixels, packing, texObj, texImage);
+}
+
+//---------------------------------------------------------------------------
+
+/*
+void gld_TexSubImage2D( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset,
+                          GLsizei width, GLsizei height,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *tObj,
+                          struct gl_texture_image *texImage )
+{
+	GLD_GET_CONTEXT
+	IDirect3DTexture9	*pTex;
+	IDirect3DSurface9	*pSurface;
+	D3DFORMAT			d3dFormat;
+	HRESULT				hr;
+	GLint				texelBytes = 4;
+	GLvoid				*tempImage;
+	RECT				rcSrcRect;
+	RECT				rcDstRect;
+
+	if (!tObj || !texImage)
+		return;
+
+	pTex = (IDirect3DTexture9*)tObj->DriverData;
+	if (!pTex)
+		return; // Texture has not been created
+	if (level >= _GLD_DX9_TEX(GetLevelCount(pTex))
+		return; // Level does not exist
+	hr = _GLD_DX9_TEX(GetSurfaceLevel(pTex, level, &pSurface);
+	if (FAILED(hr))
+		return; // Surface level doesn't exist (or just a plain error)
+
+	d3dFormat = _gldGLFormatToD3DFormat(texImage->Format);
+	tempImage = MALLOC(width * height * texelBytes);
+	if (!tempImage) {
+		_mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+		IDirect3DSurface9_Release(pSurface);
+		return;
+	}
+
+	// unpack image, apply transfer ops and store in tempImage
+	_mesa_transfer_teximage(ctx, 2, texImage->Format,
+		&_mesa_texformat_argb8888, // dest format
+		tempImage,
+		width, height, 1, 0, 0, 0,
+		width * texelBytes,
+		0, // dstImageStride
+		format, type, pixels, packing);
+
+	// Source rectangle is whole of input image
+	SetRect(&rcSrcRect, 0, 0, width, height);
+
+	// Dest rectangle must be offset to dest image
+	SetRect(&rcDstRect, 0, 0, width, height);
+	OffsetRect(&rcDstRect, xoffset, yoffset);
+
+	D3DXLoadSurfaceFromMemory(
+		pSurface,
+		NULL,
+		&rcDstRect,
+		tempImage,
+		D3DFMT_A8R8G8B8,
+		width * texelBytes,
+		NULL,
+		&rcSrcRect,
+		D3DX_FILTER_NONE,
+		0);
+
+	FREE(tempImage);
+	IDirect3DSurface9_Release(pSurface);
+}
+*/
+
+//---------------------------------------------------------------------------
+
+// Faster, more efficient version.
+// Copies subimage straight to dest texture
+void gld_TexSubImage2D_DX9( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLint yoffset,
+                          GLsizei width, GLsizei height,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *tObj,
+                          struct gl_texture_image *texImage )
+{
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	IDirect3DTexture9	*pTex;
+	IDirect3DSurface9	*pSurface;
+	HRESULT				hr;
+	RECT				rcDstRect;
+	D3DLOCKED_RECT		d3dLockedRect;
+	D3DSURFACE_DESC		d3dsd;
+
+	if (!tObj || !texImage)
+		return;
+
+	pTex = (IDirect3DTexture9*)tObj->DriverData;
+	if (!pTex)
+		return; // Texture has not been created
+	if (level >= IDirect3DTexture9_GetLevelCount(pTex))
+		return; // Level does not exist
+	hr = IDirect3DTexture9_GetSurfaceLevel(pTex, level, &pSurface);
+	if (FAILED(hr))
+		return; // Surface level doesn't exist (or just a plain error)
+
+	IDirect3DSurface9_GetDesc(pSurface, &d3dsd);
+
+	// Dest rectangle must be offset to dest image
+	SetRect(&rcDstRect, 0, 0, width, height);
+	OffsetRect(&rcDstRect, xoffset, yoffset);
+
+	// Lock sub-rect of surface 
+	hr = IDirect3DSurface9_LockRect(pSurface, &d3dLockedRect, &rcDstRect, 0);
+	if (FAILED(hr)) {
+		IDirect3DSurface9_Release(pSurface);
+		return;
+	}
+
+	// unpack image, apply transfer ops and store directly in texture
+	_mesa_transfer_teximage(ctx, 2, texImage->Format,
+		_gldMesaFormatForD3DFormat(d3dsd.Format),
+		d3dLockedRect.pBits,
+		width, height, 1,
+		0, 0, 0, // NOTE: d3dLockedRect.pBits is already offset!!!
+		d3dLockedRect.Pitch,
+		0, // dstImageStride
+		format, type, pixels, packing);
+
+
+	IDirect3DSurface9_UnlockRect(pSurface);
+	IDirect3DSurface9_Release(pSurface);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_TexSubImage1D_DX9( GLcontext *ctx, GLenum target, GLint level,
+                          GLint xoffset, GLsizei width,
+                          GLenum format, GLenum type,
+                          const GLvoid *pixels,
+                          const struct gl_pixelstore_attrib *packing,
+                          struct gl_texture_object *texObj,
+                          struct gl_texture_image *texImage )
+{
+	gld_TexSubImage2D_DX9(ctx, target, level, xoffset, 0, width, 1, format, type, pixels, packing, texObj, texImage);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_DeleteTexture_DX9(
+	GLcontext *ctx,
+	struct gl_texture_object *tObj)
+{
+	GLD_context *gld = (GLD_context*)(ctx->DriverCtx);
+
+	if (tObj) {
+		IDirect3DTexture9 *pTex = (IDirect3DTexture9*)tObj->DriverData;
+		if (pTex) {
+/*			// Make sure texture is not bound to a stage before releasing it
+			for (int i=0; i<MAX_TEXTURE_UNITS; i++) {
+				if (gld->CurrentTexture[i] == pTex) {
+					gld->pDev->SetTexture(i, NULL);
+					gld->CurrentTexture[i] = NULL;
+				}
+			}*/
+			_GLD_DX9_TEX(Release(pTex));
+			tObj->DriverData = NULL;
+		}
+	}
+}
+
+//---------------------------------------------------------------------------
+
+__inline void _gldSetColorOps(
+	const GLD_driver_dx9 *gld,
+	GLuint unit,
+	DWORD ColorArg1,
+	D3DTEXTUREOP ColorOp,
+	DWORD ColorArg2)
+{
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_COLORARG1, ColorArg1));
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_COLOROP, ColorOp));
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_COLORARG2, ColorArg2));
+}
+
+//---------------------------------------------------------------------------
+
+__inline void _gldSetAlphaOps(
+	const GLD_driver_dx9 *gld,
+	GLuint unit,
+	DWORD AlphaArg1,
+	D3DTEXTUREOP AlphaOp,
+	DWORD AlphaArg2)
+{
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_ALPHAARG1, AlphaArg1));
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_ALPHAOP, AlphaOp));
+	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_ALPHAARG2, AlphaArg2));
+}
+
+//---------------------------------------------------------------------------
+
+void gldUpdateTextureUnit(
+	GLcontext *ctx,
+	GLuint unit,
+	BOOL bPassThrough)
+{
+	GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+	GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+
+	D3DTEXTUREFILTERTYPE	minfilter;
+	D3DTEXTUREFILTERTYPE	mipfilter;
+	GLenum					BaseFormat;
+	DWORD					dwColorArg0;
+	int						iTexEnv = 0;
+	GLD_texenv				*pTexenv;
+
+	// NOTE: If bPassThrough is FALSE then texture stage can be
+	// disabled otherwise it must pass-through it's current fragment.
+
+	const struct gl_texture_unit *pUnit = &ctx->Texture.Unit[unit];
+	const struct gl_texture_object *tObj = pUnit->_Current;
+
+	IDirect3DTexture9 *pTex = NULL;
+	if (tObj) {
+		pTex = (IDirect3DTexture9*)tObj->DriverData;
+	}
+
+	// Enable texturing if unit is enabled and a valid D3D texture exists
+	// Mesa 5: TEXTUREn_x altered to TEXTURE_nD_BIT
+	//if (pTex && (pUnit->Enabled & (TEXTURE0_1D | TEXTURE0_2D))) {
+	if (pTex && (pUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT))) {
+		// Enable texturing
+		_GLD_DX9_DEV(SetTexture(gld->pDev, unit, pTex));
+	} else {
+		// Disable texturing, then return
+		_GLD_DX9_DEV(SetTexture(gld->pDev, unit, NULL));
+		if (bPassThrough) {
+			_gldSetColorOps(gld, unit, D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_DIFFUSE);
+			_gldSetAlphaOps(gld, unit, D3DTA_TEXTURE, D3DTOP_SELECTARG2, D3DTA_DIFFUSE);
+		} else {
+			_gldSetColorOps(gld, unit, D3DTA_TEXTURE, D3DTOP_DISABLE, D3DTA_DIFFUSE);
+			_gldSetAlphaOps(gld, unit, D3DTA_TEXTURE, D3DTOP_DISABLE, D3DTA_DIFFUSE);
+		}
+		return;
+	}
+
+	// Texture parameters
+	_gldConvertMinFilter(tObj->MinFilter, &minfilter, &mipfilter);
+//	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_MINFILTER, minfilter));
+//	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_MIPFILTER, mipfilter));
+//	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_MAGFILTER, _gldConvertMagFilter(tObj->MagFilter)));
+//	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_ADDRESSU, _gldConvertWrap(tObj->WrapS)));
+//	_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_ADDRESSV, _gldConvertWrap(tObj->WrapT)));
+	_GLD_DX9_DEV(SetSamplerState(gld->pDev, unit, D3DSAMP_MINFILTER, minfilter));
+	_GLD_DX9_DEV(SetSamplerState(gld->pDev, unit, D3DSAMP_MIPFILTER, mipfilter));
+	_GLD_DX9_DEV(SetSamplerState(gld->pDev, unit, D3DSAMP_MAGFILTER, _gldConvertMagFilter(tObj->MagFilter)));
+	_GLD_DX9_DEV(SetSamplerState(gld->pDev, unit, D3DSAMP_ADDRESSU, _gldConvertWrap(tObj->WrapS)));
+	_GLD_DX9_DEV(SetSamplerState(gld->pDev, unit, D3DSAMP_ADDRESSV, _gldConvertWrap(tObj->WrapT)));
+
+	// Texture priority
+	_GLD_DX9_TEX(SetPriority(pTex, (DWORD)(tObj->Priority*65535.0f)));
+
+	// Texture environment
+	// TODO: Examine input texture for alpha and use specific alpha/non-alpha ops.
+	//       See Page 355 of the Red Book.
+	BaseFormat = _gldDecodeBaseFormat(pTex);
+
+	switch (BaseFormat) {
+	case GL_RGB:
+		iTexEnv = 0;
+		break;
+	case GL_RGBA:
+		iTexEnv = 1;
+		break;
+	case GL_ALPHA:
+		iTexEnv = 2;
+		break;
+	}
+
+	switch (pUnit->EnvMode) {
+	case GL_DECAL:
+		iTexEnv += 0;
+		break;
+	case GL_REPLACE:
+		iTexEnv += 3;
+		break;
+	case GL_MODULATE:
+		iTexEnv += 6;
+		break;
+	case GL_BLEND:
+		// Set blend colour
+		dwColorArg0 = D3DCOLOR_COLORVALUE(pUnit->EnvColor[0], pUnit->EnvColor[1], pUnit->EnvColor[2], pUnit->EnvColor[3]);
+		_GLD_DX9_DEV(SetTextureStageState(gld->pDev, unit, D3DTSS_COLORARG0, dwColorArg0));
+		iTexEnv += 9;
+		break;
+	case GL_ADD:
+		iTexEnv += 12;
+		break;
+	}
+	pTexenv = (GLD_texenv*)&gldTexEnv[iTexEnv];
+	_gldSetColorOps(gld, unit, pTexenv->ColorArg1, pTexenv->ColorOp, pTexenv->ColorArg2);
+	_gldSetAlphaOps(gld, unit, pTexenv->AlphaArg1, pTexenv->AlphaOp, pTexenv->AlphaArg2);
+}
+
+//---------------------------------------------------------------------------
+
+void gld_NEW_TEXTURE_DX9(
+	GLcontext *ctx)
+{
+	// TODO: Support for three (ATI Radeon) or more (nVidia GeForce3) texture units
+
+	BOOL bUnit0Enabled;
+	BOOL bUnit1Enabled;
+
+	if (!ctx)
+		return; // Sanity check
+
+	if (ctx->Const.MaxTextureUnits == 1) {
+		gldUpdateTextureUnit(ctx, 0, TRUE);
+		return;
+	}
+
+	//
+	// NOTE: THE FOLLOWING RELATES TO TWO TEXTURE UNITS, AND TWO ONLY!!
+	//
+
+	// Mesa 5: Texture Units altered
+	//bUnit0Enabled = (ctx->Texture._ReallyEnabled & (TEXTURE0_1D | TEXTURE0_2D)) ? TRUE : FALSE;
+	//bUnit1Enabled = (ctx->Texture._ReallyEnabled & (TEXTURE1_1D | TEXTURE1_2D)) ? TRUE : FALSE;
+	bUnit0Enabled = (ctx->Texture.Unit[0]._ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) ? TRUE : FALSE;
+	bUnit1Enabled = (ctx->Texture.Unit[1]._ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) ? TRUE : FALSE;
+
+	// If Unit0 is disabled and Unit1 is enabled then we must pass-though
+	gldUpdateTextureUnit(ctx, 0, (!bUnit0Enabled && bUnit1Enabled) ? TRUE : FALSE);
+	// We can always disable the last texture unit
+	gldUpdateTextureUnit(ctx, 1, FALSE);
+
+#ifdef _DEBUG
+#if 0
+	{
+		// Find out whether device supports current renderstates
+		GLD_context			*gldCtx	= GLD_GET_CONTEXT(ctx);
+		GLD_driver_dx9		*gld	= GLD_GET_DX9_DRIVER(gldCtx);
+//		GLD_context			*gld	= GLD_GET_CONTEXT(ctx);
+
+		DWORD dwPasses;
+		_GLD_DX9_DEV(ValidateDevice(gld->pDev, &dwPasses));
+//		if (FAILED(hr)) {
+//			gldLogError(GLDLOG_ERROR, "ValidateDevice failed", hr);
+//		}
+		if (dwPasses != 1) {
+			gldLogMessage(GLDLOG_ERROR, "ValidateDevice: Can't do in one pass\n");
+		}
+	}
+#endif
+#endif
+};
+
+//---------------------------------------------------------------------------