Initial mach64 driver import for DRI mach64-0-0-6 branch,

this compiles but I doubt it works but it is a better starting point
than the branch

1 files changed, 605 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/mach64/mach64_tex.c b/src/mesa/drivers/dri/mach64/mach64_tex.c
new file mode 100644
index 0000000000..02d76067ae
--- /dev/null
+++ b/src/mesa/drivers/dri/mach64/mach64_tex.c
@@ -0,0 +1,605 @@
+/* $XFree86$ */ /* -*- mode: c; c-basic-offset: 3 -*- */
+/*
+ * Copyright 2000 Gareth Hughes
+ * 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 (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 NONINFRINGEMENT.  IN NO EVENT SHALL
+ * GARETH HUGHES 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.
+ */
+
+/*
+ * Authors:
+ *	Gareth Hughes <gareth@valinux.com>
+ *	Leif Delgass <ldelgass@retinalburn.net>
+ *	José Fonseca <j_r_fonseca@yahoo.co.uk>
+ */
+
+#include "mach64_context.h"
+#include "mach64_ioctl.h"
+#include "mach64_state.h"
+#include "mach64_vb.h"
+#include "mach64_tris.h"
+#include "mach64_tex.h"
+
+#include "context.h"
+#include "macros.h"
+#include "simple_list.h"
+#include "enums.h"
+#include "texstore.h"
+#include "texformat.h"
+#include "imports.h"
+
+
+static void mach64SetTexWrap( mach64TexObjPtr t,
+			      GLenum swrap, GLenum twrap )
+{
+   switch ( swrap ) {
+   case GL_CLAMP:
+   case GL_CLAMP_TO_EDGE:
+   case GL_CLAMP_TO_BORDER:
+      t->ClampS = GL_TRUE;
+      break;
+   case GL_REPEAT:
+      t->ClampS = GL_FALSE;
+      break;
+   }
+
+   switch ( twrap ) {
+   case GL_CLAMP:
+   case GL_CLAMP_TO_EDGE:
+   case GL_CLAMP_TO_BORDER:
+      t->ClampT = GL_TRUE;
+      break;
+   case GL_REPEAT:
+      t->ClampT = GL_FALSE;
+      break;
+   }
+}
+
+static void mach64SetTexFilter( mach64TexObjPtr t,
+				GLenum minf, GLenum magf )
+{
+   switch ( minf ) {
+   case GL_NEAREST:
+   case GL_NEAREST_MIPMAP_NEAREST:
+   case GL_NEAREST_MIPMAP_LINEAR:
+      t->BilinearMin = GL_FALSE;
+      break;
+   case GL_LINEAR:
+   case GL_LINEAR_MIPMAP_NEAREST:
+   case GL_LINEAR_MIPMAP_LINEAR:
+      t->BilinearMin = GL_TRUE;
+      break;
+   }
+
+   switch ( magf ) {
+   case GL_NEAREST:
+      t->BilinearMag = GL_FALSE;
+      break;
+   case GL_LINEAR:
+      t->BilinearMag = GL_TRUE;
+      break;
+   }
+}
+
+static void mach64SetTexBorderColor( mach64TexObjPtr t, GLubyte c[4] )
+{
+#if 0
+   GLuint border = mach64PackColor( 4, c[0], c[1], c[2], c[3] );
+#endif
+}
+
+
+static mach64TexObjPtr
+mach64AllocTexObj( struct gl_texture_object *texObj )
+{
+   mach64TexObjPtr t;
+
+   if ( MACH64_DEBUG & DEBUG_VERBOSE_API )
+      fprintf( stderr, "%s( %p )\n", __FUNCTION__, texObj );
+
+   t = (mach64TexObjPtr) CALLOC_STRUCT( mach64_texture_object );
+   if ( !t )
+      return NULL;
+
+   /* Initialize non-image-dependent parts of the state:
+    */
+   t->tObj = texObj;
+
+   t->offset = 0;
+
+   t->dirty = 1;
+
+   make_empty_list( t );
+
+   mach64SetTexWrap( t, texObj->WrapS, texObj->WrapT );
+   /*mach64SetTexMaxAnisotropy( t, texObj->MaxAnisotropy );*/
+   mach64SetTexFilter( t, texObj->MinFilter, texObj->MagFilter );
+   mach64SetTexBorderColor( t, texObj->_BorderChan );
+
+   return t;
+}
+
+
+/* Called by the _mesa_store_teximage[123]d() functions. */
+static const struct gl_texture_format *
+mach64ChooseTextureFormat( GLcontext *ctx, GLint internalFormat,
+			   GLenum format, GLenum type )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   (void) format;
+   (void) type;
+
+   switch ( internalFormat ) {
+   case GL_ALPHA:
+   case GL_ALPHA4:
+   case GL_ALPHA8:
+   case GL_ALPHA12:
+   case GL_ALPHA16:
+   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:
+   case 4:
+   case GL_RGBA:
+   case GL_RGBA2:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888;
+      else
+         return &_mesa_texformat_argb4444;
+
+   case GL_RGB5_A1:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888;
+      else
+         return &_mesa_texformat_argb1555;
+
+   case GL_RGBA8:
+   case GL_RGB10_A2:
+   case GL_RGBA12:
+   case GL_RGBA16:
+   case GL_RGBA4:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888;
+      else
+         return &_mesa_texformat_argb4444;
+
+   case 3:
+   case GL_RGB:
+   case GL_R3_G3_B2:
+   case GL_RGB4:
+   case GL_RGB5:
+   case GL_RGB8:
+   case GL_RGB10:
+   case GL_RGB12:
+   case GL_RGB16:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888;
+      else
+         return &_mesa_texformat_rgb565;
+
+   case 1:
+   case GL_LUMINANCE:
+   case GL_LUMINANCE4:
+   case GL_LUMINANCE8:
+   case GL_LUMINANCE12:
+   case GL_LUMINANCE16:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888; /* inefficient but accurate */
+      else
+         return &_mesa_texformat_argb1555;
+
+   case GL_INTENSITY4:
+   case GL_INTENSITY:
+   case GL_INTENSITY8:
+   case GL_INTENSITY12:
+   case GL_INTENSITY16:
+      if (mmesa->mach64Screen->cpp == 4)
+         return &_mesa_texformat_argb8888; /* inefficient but accurate */
+      else
+         return &_mesa_texformat_argb4444;
+
+   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_ci8;
+
+   case GL_YCBCR_MESA:
+      if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
+          type == GL_UNSIGNED_BYTE)
+         return &_mesa_texformat_ycbcr;
+      else
+         return &_mesa_texformat_ycbcr_rev;
+
+   default:
+      _mesa_problem( ctx, "unexpected format in %s", __FUNCTION__ );
+      return NULL;
+   }
+}
+
+static void mach64TexImage1D( 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 )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr) texObj->DriverData;
+
+   if ( t ) {
+      mach64SwapOutTexObj( mmesa, t );
+   }
+   else {
+      t = mach64AllocTexObj(texObj);
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage1D");
+         return;
+      }
+      texObj->DriverData = t;
+   }
+
+   /* Note, this will call mach64ChooseTextureFormat */
+   _mesa_store_teximage1d( ctx, target, level, internalFormat,
+			   width, border, format, type,
+			   pixels, packing, texObj, texImage );
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+static void mach64TexSubImage1D( 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 )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr) texObj->DriverData;
+
+   assert( t ); /* this _should_ be true */
+   if ( t ) {
+      mach64SwapOutTexObj( mmesa, t );
+   }
+   else {
+      t = mach64AllocTexObj(texObj);
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage1D");
+         return;
+      }
+      texObj->DriverData = t;
+   }
+
+   _mesa_store_texsubimage1d(ctx, target, level, xoffset, width,
+			     format, type, pixels, packing, texObj,
+			     texImage);
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+static void mach64TexImage2D( 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 *texObj,
+			      struct gl_texture_image *texImage )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr) texObj->DriverData;
+
+   if ( t ) {
+      mach64SwapOutTexObj( mmesa, t );
+   }
+   else {
+      t = mach64AllocTexObj(texObj);
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
+         return;
+      }
+      texObj->DriverData = t;
+   }
+
+   /* Note, this will call mach64ChooseTextureFormat */
+   _mesa_store_teximage2d( ctx, target, level, internalFormat,
+			   width, height, border, format, type, pixels,
+			   &ctx->Unpack, texObj, texImage );
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+static void mach64TexSubImage2D( 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 *texObj,
+				 struct gl_texture_image *texImage )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr) texObj->DriverData;
+
+   assert( t ); /* this _should_ be true */
+   if ( t ) {
+      mach64SwapOutTexObj( mmesa, t );
+   }
+   else {
+      t = mach64AllocTexObj(texObj);
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
+         return;
+      }
+      texObj->DriverData = t;
+   }
+
+   _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
+			     height, format, type, pixels, packing, texObj,
+			     texImage);
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+/* Due to the way we must program texture state into the Rage Pro,
+ * we must leave these calculations to the absolute last minute.
+ */
+void mach64EmitTexStateLocked( mach64ContextPtr mmesa,
+			       mach64TexObjPtr t0,
+			       mach64TexObjPtr t1 )
+{
+   ATISAREAPrivPtr sarea = mmesa->sarea;
+   mach64_context_regs_t *regs = &(mmesa->setup);
+
+   /* for multitex, both textures must be local or AGP */
+   if ( t0 && t1 )
+      assert(t0->heap == t1->heap);
+
+   if ( t0 ) {
+      if (t0->heap == MACH64_CARD_HEAP) {
+#if ENABLE_PERF_BOXES
+	 mmesa->c_texsrc_card++;
+#endif
+	 mmesa->setup.tex_cntl &= ~MACH64_TEX_SRC_AGP;
+      } else {
+#if ENABLE_PERF_BOXES
+	 mmesa->c_texsrc_agp++;
+#endif
+	 mmesa->setup.tex_cntl |= MACH64_TEX_SRC_AGP;
+      }
+      mmesa->setup.tex_offset = t0->offset;
+   }
+
+   if ( t1 ) {
+      mmesa->setup.secondary_tex_off = t1->offset;
+   }
+
+   memcpy( &sarea->ContextState.tex_size_pitch, &regs->tex_size_pitch,
+	   MACH64_NR_TEXTURE_REGS * sizeof(GLuint) );
+}
+
+
+/* ================================================================
+ * Device Driver API texture functions
+ */
+
+static void mach64DDTexEnv( GLcontext *ctx, GLenum target,
+			    GLenum pname, const GLfloat *param )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+#if 0
+   struct gl_texture_unit *texUnit;
+   GLubyte c[4];
+#endif
+
+   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
+      fprintf( stderr, "%s( %s )\n",
+	       __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
+   }
+
+   switch ( pname ) {
+   case GL_TEXTURE_ENV_MODE:
+      FLUSH_BATCH( mmesa );
+      mmesa->new_state |= MACH64_NEW_TEXTURE | MACH64_NEW_ALPHA;
+      break;
+
+#if 0
+   case GL_TEXTURE_ENV_COLOR:
+      texUnit = &ctx->Texture.Unit[ctx->Texture.CurrentUnit];
+      CLAMPED_FLOAT_TO_UBYTE( c[0], texUnit->EnvColor[0] );
+      CLAMPED_FLOAT_TO_UBYTE( c[1], texUnit->EnvColor[1] );
+      CLAMPED_FLOAT_TO_UBYTE( c[2], texUnit->EnvColor[2] );
+      CLAMPED_FLOAT_TO_UBYTE( c[3], texUnit->EnvColor[3] );
+      mmesa->env_color = mach64PackColor( 32, c[0], c[1], c[2], c[3] );
+      if ( mmesa->setup.constant_color_c != mmesa->env_color ) {
+	 FLUSH_BATCH( mmesa );
+	 mmesa->setup.constant_color_c = mmesa->env_color;
+
+	 mmesa->new_state |= MACH64_NEW_TEXTURE;
+
+	 /* More complex multitexture/multipass fallbacks for GL_BLEND
+	  * can be done later, but this allows a single pass GL_BLEND
+	  * in some cases (ie. Performer town demo).
+	  */
+	 mmesa->blend_flags &= ~MACH64_BLEND_ENV_COLOR;
+	 if ( mmesa->env_color != 0x00000000 &&
+	      mmesa->env_color != 0xff000000 &&
+	      mmesa->env_color != 0x00ffffff &&
+	      mmesa->env_color != 0xffffffff )) {	
+	    mmesa->blend_flags |= MACH64_BLEND_ENV_COLOR;
+	 }
+      }
+      break;
+#endif
+
+   default:
+      return;
+   }
+}
+
+static void mach64DDTexParameter( GLcontext *ctx, GLenum target,
+				  struct gl_texture_object *tObj,
+				  GLenum pname, const GLfloat *params )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr)tObj->DriverData;
+
+   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
+      fprintf( stderr, "%s( %s )\n",
+	       __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) );
+   }
+
+   if ( ( target != GL_TEXTURE_2D ) &&
+	( target != GL_TEXTURE_1D ) ) {
+      return;
+   }
+
+   if (!t) {
+      t = mach64AllocTexObj(tObj);
+      if (!t) {
+         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexParameter");
+         return;
+      }
+      tObj->DriverData = t;
+   }
+
+   switch ( pname ) {
+   case GL_TEXTURE_MIN_FILTER:
+   case GL_TEXTURE_MAG_FILTER:
+      if ( t->bound ) FLUSH_BATCH( mmesa );
+      mach64SetTexFilter( t, tObj->MinFilter, tObj->MagFilter );
+      break;
+
+   case GL_TEXTURE_WRAP_S:
+   case GL_TEXTURE_WRAP_T:
+      if ( t->bound ) FLUSH_BATCH( mmesa );
+      mach64SetTexWrap( t, tObj->WrapS, tObj->WrapT );
+      break;
+
+   case GL_TEXTURE_BORDER_COLOR:
+      if ( t->bound ) FLUSH_BATCH( mmesa );
+      mach64SetTexBorderColor( t, tObj->_BorderChan );
+      break;
+
+   case GL_TEXTURE_BASE_LEVEL:
+      /* From Radeon/Rage128:
+       * This isn't the most efficient solution but there doesn't appear to
+       * be a nice alternative.  Since there's no LOD clamping,
+       * we just have to rely on loading the right subset of mipmap levels
+       * to simulate a clamped LOD.  
+       *
+       * For mach64 we're only concerned with the base level
+       * since that's the only texture we upload.
+       */
+      if ( t->bound ) FLUSH_BATCH( mmesa );
+      mach64SwapOutTexObj( mmesa, t );
+      break;
+
+   default:
+      return;
+   }
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+static void mach64DDBindTexture( GLcontext *ctx, GLenum target,
+				 struct gl_texture_object *tObj )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   GLint unit = ctx->Texture.CurrentUnit;
+
+   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
+      fprintf( stderr, "%s( %p ) unit=%d\n",
+	       __FUNCTION__, tObj, unit );
+   }
+
+   FLUSH_BATCH( mmesa );
+
+   if ( mmesa->CurrentTexObj[unit] ) {
+      mmesa->CurrentTexObj[unit]->bound &= ~(unit+1);
+      mmesa->CurrentTexObj[unit] = NULL;
+   }
+
+   mmesa->new_state |= MACH64_NEW_TEXTURE;
+}
+
+static void mach64DDDeleteTexture( GLcontext *ctx,
+				   struct gl_texture_object *tObj )
+{
+   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
+   mach64TexObjPtr t = (mach64TexObjPtr)tObj->DriverData;
+
+   if ( t ) {
+      if ( t->bound && mmesa ) {
+	 FLUSH_BATCH( mmesa );
+
+	 mmesa->CurrentTexObj[t->bound-1] = 0;
+	 mmesa->new_state |= MACH64_NEW_TEXTURE;
+      }
+
+      mach64DestroyTexObj( mmesa, t );
+      tObj->DriverData = NULL;
+   }
+}
+
+static GLboolean mach64DDIsTextureResident( GLcontext *ctx,
+					    struct gl_texture_object *tObj )
+{
+   mach64TexObjPtr t = (mach64TexObjPtr)tObj->DriverData;
+
+   return ( t && t->memBlock );
+}
+
+
+void mach64DDInitTextureFuncs( GLcontext *ctx )
+{
+   ctx->Driver.TexEnv			= mach64DDTexEnv;
+   ctx->Driver.ChooseTextureFormat	= mach64ChooseTextureFormat;
+   ctx->Driver.TexImage1D		= mach64TexImage1D;
+   ctx->Driver.TexSubImage1D		= mach64TexSubImage1D;
+   ctx->Driver.TexImage2D		= mach64TexImage2D;
+   ctx->Driver.TexSubImage2D		= mach64TexSubImage2D;
+   ctx->Driver.TexImage3D               = _mesa_store_teximage3d;
+   ctx->Driver.TexSubImage3D            = _mesa_store_texsubimage3d;
+   ctx->Driver.CopyTexImage1D           = _swrast_copy_teximage1d;
+   ctx->Driver.CopyTexImage2D           = _swrast_copy_teximage2d;
+   ctx->Driver.CopyTexSubImage1D        = _swrast_copy_texsubimage1d;
+   ctx->Driver.CopyTexSubImage2D        = _swrast_copy_texsubimage2d;
+   ctx->Driver.CopyTexSubImage3D        = _swrast_copy_texsubimage3d;
+   ctx->Driver.TexParameter		= mach64DDTexParameter;
+   ctx->Driver.BindTexture		= mach64DDBindTexture;
+   ctx->Driver.DeleteTexture		= mach64DDDeleteTexture;
+   ctx->Driver.UpdateTexturePalette	= NULL;
+   ctx->Driver.ActiveTexture		= NULL;
+   ctx->Driver.IsTextureResident	= mach64DDIsTextureResident;
+   ctx->Driver.PrioritizeTexture	= NULL;
+}