示例#1
0
static void mach64TexImage2D( struct gl_context *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);
   driTextureObject * t = (driTextureObject *) texObj->DriverData;

   if ( t ) {
      driSwapOutTextureObject( t );
   }
   else {
      t = (driTextureObject *) mach64AllocTexObj(texObj);
      if (!t) {
         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexImage2D");
         return;
      }
   }

   /* 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;
}
示例#2
0
static void mach64TexSubImage2D( struct gl_context *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);
   driTextureObject * t = (driTextureObject *) texObj->DriverData;

   assert( t ); /* this _should_ be true */
   if ( t ) {
      driSwapOutTextureObject( t );
   }
   else {
      t = (driTextureObject *) mach64AllocTexObj(texObj);
      if (!t) {
         _mesa_error(ctx, GL_OUT_OF_MEMORY, "glTexSubImage2D");
         return;
      }
   }

   _mesa_store_texsubimage2d(ctx, target, level, xoffset, yoffset, width,
			     height, format, type, pixels, packing, texObj,
			     texImage);

   mmesa->new_state |= MACH64_NEW_TEXTURE;
}
示例#3
0
void mach64FreeVB( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   if (mmesa->verts) {
      ALIGN_FREE(mmesa->verts);
      mmesa->verts = 0;
   }
}
示例#4
0
void mach64_emit_contiguous_verts( GLcontext *ctx,
				 GLuint start,
				 GLuint count )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   GLuint vertex_size = mmesa->vertex_size * 4;
   GLuint *dest = mach64AllocDmaLow( mmesa, (count-start) * vertex_size);
   setup_tab[mmesa->SetupIndex].emit( ctx, start, count, dest, vertex_size );
}
示例#5
0
/* Update the hardware texture state */
void mach64UpdateTextureState( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);

   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
      fprintf( stderr, "%s( %p ) en=0x%x 0x%x\n",
	       __FUNCTION__, ctx, ctx->Texture.Unit[0]._ReallyEnabled,
	       ctx->Texture.Unit[1]._ReallyEnabled);
   }

   /* Clear any texturing fallbacks */
   FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_FALSE );

   /* Unbind any currently bound textures */
   if ( mmesa->CurrentTexObj[0] ) mmesa->CurrentTexObj[0]->base.bound = 0;
   if ( mmesa->CurrentTexObj[1] ) mmesa->CurrentTexObj[1]->base.bound = 0;
   mmesa->CurrentTexObj[0] = NULL;
   mmesa->CurrentTexObj[1] = NULL;

   /* Disable all texturing until it is known to be good */
   mmesa->setup.scale_3d_cntl  |=  MACH64_TEXTURE_DISABLE;
   mmesa->setup.scale_3d_cntl  &= ~MACH64_TEX_MAP_AEN;
   mmesa->setup.tex_cntl       &= ~MACH64_TEXTURE_COMPOSITE;

   mmesa->setup.tex_size_pitch = 0x00000000;

   mmesa->tmu_source[0] = 0;
   mmesa->tmu_source[1] = 1;
   mmesa->multitex = 0;

   if (ctx->Texture._EnabledUnits & 0x2) {
       /* unit 1 enabled */
       if (ctx->Texture._EnabledUnits & 0x1) {
	  /* units 0 and 1 enabled */
	  mmesa->multitex = 1;
	  mach64UpdateTextureUnit( ctx, 0 );
	  mach64UpdateTextureEnv( ctx, 0 );
	  mach64UpdateTextureUnit( ctx, 1 );
	  mach64UpdateTextureEnv( ctx, 1 );
       } else {
	  mmesa->tmu_source[0] = 1;
	  mmesa->tmu_source[1] = 0;
	  mach64UpdateTextureUnit( ctx, 0 );
	  mach64UpdateTextureEnv( ctx, 0 );
       }
   } else if (ctx->Texture._EnabledUnits & 0x1) {
      /* only unit 0 enabled */ 
      mach64UpdateTextureUnit( ctx, 0 );
      mach64UpdateTextureEnv( ctx, 0 );
   }

   mmesa->dirty |= (MACH64_UPLOAD_SCALE_3D_CNTL |
		    MACH64_UPLOAD_TEXTURE);
}
/* Return the current color buffer size.
 */
static void mach64DDGetBufferSize( GLframebuffer *buffer,
				   GLuint *width, GLuint *height )
{
   GET_CURRENT_CONTEXT(ctx);
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);

   LOCK_HARDWARE( mmesa );
   *width  = mmesa->driDrawable->w;
   *height = mmesa->driDrawable->h;
   UNLOCK_HARDWARE( mmesa );
}
/* Make sure all commands have been sent to the hardware and have
 * completed processing.
 */
static void mach64DDFinish( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);

#if ENABLE_PERF_BOXES
   /* Bump the performance counter */
   mmesa->c_drawWaits++;
#endif

   mach64DDFlush( ctx );
   mach64WaitForIdle( mmesa );
}
示例#8
0
static void mach64DDTexEnv( struct gl_context *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;
   }
示例#9
0
void mach64InitVB( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   GLuint size = TNL_CONTEXT(ctx)->vb.Size;

   mmesa->verts = (GLubyte *)ALIGN_MALLOC(size * 4 * 16, 32);

   {
      static int firsttime = 1;
      if (firsttime) {
	 init_setup_tab();
	 firsttime = 0;
      }
   }
}
示例#10
0
void mach64BuildVertices( GLcontext *ctx,
			GLuint start,
			GLuint count,
			GLuint newinputs )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT( ctx );
   GLuint stride = mmesa->vertex_size * sizeof(int);
   GLubyte *v = ((GLubyte *)mmesa->verts + (start * stride));

   newinputs |= mmesa->SetupNewInputs;
   mmesa->SetupNewInputs = 0;

   if (!newinputs)
      return;

   if (newinputs & VERT_BIT_POS) {
      setup_tab[mmesa->SetupIndex].emit( ctx, start, count, v, stride );
   } else {
      GLuint ind = 0;

      if (newinputs & VERT_BIT_COLOR0)
	 ind |= MACH64_RGBA_BIT;

      if (newinputs & VERT_BIT_COLOR1)
	 ind |= MACH64_SPEC_BIT;

      if (newinputs & VERT_BIT_TEX0)
	 ind |= MACH64_TEX0_BIT;

      if (newinputs & VERT_BIT_TEX1)
	 ind |= MACH64_TEX1_BIT;

      if (newinputs & VERT_BIT_FOG)
	 ind |= MACH64_FOG_BIT;

      if (mmesa->SetupIndex & MACH64_PTEX_BIT)
	 ind = ~0;

      ind &= mmesa->SetupIndex;

      if (ind) {
	 setup_tab[ind].emit( ctx, start, count, v, stride );
      }
   }
}
示例#11
0
void mach64CheckTexSizes( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT( ctx );

   if (!setup_tab[mmesa->SetupIndex].check_tex_sizes(ctx)) {
      TNLcontext *tnl = TNL_CONTEXT(ctx);

      /* Invalidate stored verts
       */
      mmesa->SetupNewInputs = ~0;
      mmesa->SetupIndex |= MACH64_PTEX_BIT;

      if (!mmesa->Fallback &&
	  !(ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED))) {
	 tnl->Driver.Render.Interp = setup_tab[mmesa->SetupIndex].interp;
	 tnl->Driver.Render.CopyPV = setup_tab[mmesa->SetupIndex].copy_pv;
      }
   }
}
/* Send all commands to the hardware.  If vertex buffers or indirect
 * buffers are in use, then we need to make sure they are sent to the
 * hardware.  All commands that are normally sent to the ring are
 * already considered `flushed'.
 */
static void mach64DDFlush( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);

   LOCK_HARDWARE( mmesa );
   FLUSH_DMA_LOCKED( mmesa );
   UNLOCK_HARDWARE( mmesa );

#if ENABLE_PERF_BOXES
   if ( mmesa->boxes ) {
      LOCK_HARDWARE( mmesa );
      mach64PerformanceBoxesLocked( mmesa );
      UNLOCK_HARDWARE( mmesa );
   }

   /* Log the performance counters if necessary */
   mach64PerformanceCounters( mmesa );
#endif
}
示例#13
0
void mach64ChooseVertexState( GLcontext *ctx )
{
   TNLcontext *tnl = TNL_CONTEXT(ctx);
   mach64ContextPtr mmesa = MACH64_CONTEXT( ctx );
   GLuint ind = MACH64_XYZW_BIT|MACH64_RGBA_BIT;
   
   if (ctx->_TriangleCaps & DD_SEPARATE_SPECULAR)
      ind |= MACH64_SPEC_BIT;

   if (ctx->Fog.Enabled)
      ind |= MACH64_FOG_BIT;

   if (ctx->Texture._EnabledUnits) {
      ind |= MACH64_TEX0_BIT;
      if (ctx->Texture.Unit[0]._ReallyEnabled &&
	  ctx->Texture.Unit[1]._ReallyEnabled) {
	 ind |= MACH64_TEX1_BIT;
      }
   }

   mmesa->SetupIndex = ind;

   if (ctx->_TriangleCaps & (DD_TRI_LIGHT_TWOSIDE|DD_TRI_UNFILLED)) {
      tnl->Driver.Render.Interp = mach64_interp_extras;
      tnl->Driver.Render.CopyPV = mach64_copy_pv_extras;
   } else {
      tnl->Driver.Render.Interp = setup_tab[ind].interp;
      tnl->Driver.Render.CopyPV = setup_tab[ind].copy_pv;
   }

#if 0
   if (MACH64_DEBUG & DEBUG_VERBOSE_MSG) {
      mach64PrintSetupFlags( __FUNCTION__, ind );
  }
#endif

   if (setup_tab[ind].vertex_format != mmesa->vertex_format) {
      FLUSH_BATCH(mmesa);
      mmesa->vertex_format = setup_tab[ind].vertex_format;
      mmesa->vertex_size = setup_tab[ind].vertex_size;
   }
}
示例#14
0
/* Force the context `c' to be the current context and associate with it
 * buffer `b'.
 */
GLboolean
mach64MakeCurrent( __DRIcontext *driContextPriv,
                 __DRIdrawable *driDrawPriv,
                 __DRIdrawable *driReadPriv )
{
   if ( driContextPriv ) {
      GET_CURRENT_CONTEXT(ctx);
      mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL;
      mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate;

      if ( newMach64Ctx != oldMach64Ctx ) {
	 newMach64Ctx->new_state |= MACH64_NEW_CONTEXT;
	 newMach64Ctx->dirty = MACH64_UPLOAD_ALL;
      }

      
      if ( newMach64Ctx->driDrawable != driDrawPriv ) {
	 if (driDrawPriv->swap_interval == (unsigned)-1) {
	    driDrawPriv->vblFlags = (newMach64Ctx->do_irqs)
	       ? driGetDefaultVBlankFlags(&newMach64Ctx->optionCache)
	       : VBLANK_FLAG_NO_IRQ;

	    driDrawableInitVBlank( driDrawPriv );
	 }

	 newMach64Ctx->driDrawable = driDrawPriv;
	 mach64CalcViewport( newMach64Ctx->glCtx );
      }

      _mesa_make_current( newMach64Ctx->glCtx,
                          (GLframebuffer *) driDrawPriv->driverPrivate,
                          (GLframebuffer *) driReadPriv->driverPrivate );


      newMach64Ctx->new_state |=  MACH64_NEW_CLIP;
   } else {
      _mesa_make_current( NULL, NULL, NULL );
   }

   return GL_TRUE;
}
/* Return various strings for glGetString().
 */
static const GLubyte *mach64DDGetString( GLcontext *ctx, GLenum name )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   static char buffer[128];
   unsigned   offset;
   const char * card_name = "Mach64 [Rage Pro]";
   GLuint agp_mode = mmesa->mach64Screen->IsPCI ? 0 :
      mmesa->mach64Screen->AGPMode;

   switch ( name ) {
   case GL_VENDOR:
      return (GLubyte*)"Gareth Hughes, Leif Delgass, José Fonseca";

   case GL_RENDERER:
 
      offset = driGetRendererString( buffer, card_name, DRIVER_DATE,
				     agp_mode );
      return (GLubyte *)buffer;

   default:
      return NULL;
   }
}
示例#16
0
/* Force the context `c' to be the current context and associate with it
 * buffer `b'.
 */
GLboolean
mach64MakeCurrent( __DRIcontextPrivate *driContextPriv,
                 __DRIdrawablePrivate *driDrawPriv,
                 __DRIdrawablePrivate *driReadPriv )
{
   if ( driContextPriv ) {
      GET_CURRENT_CONTEXT(ctx);
      mach64ContextPtr oldMach64Ctx = ctx ? MACH64_CONTEXT(ctx) : NULL;
      mach64ContextPtr newMach64Ctx = (mach64ContextPtr) driContextPriv->driverPrivate;

      if ( newMach64Ctx != oldMach64Ctx ) {
	 newMach64Ctx->new_state |= MACH64_NEW_CONTEXT;
	 newMach64Ctx->dirty = MACH64_UPLOAD_ALL;
      }

      
      driDrawableInitVBlank( driDrawPriv, newMach64Ctx->vblank_flags,
			     &newMach64Ctx->vbl_seq );

      if ( newMach64Ctx->driDrawable != driDrawPriv ) {
	 newMach64Ctx->driDrawable = driDrawPriv;
	 mach64CalcViewport( newMach64Ctx->glCtx );
      }

      _mesa_make_current( newMach64Ctx->glCtx,
                          (GLframebuffer *) driDrawPriv->driverPrivate,
                          (GLframebuffer *) driReadPriv->driverPrivate );


      newMach64Ctx->new_state |=  MACH64_NEW_CLIP;
   } else {
      _mesa_make_current( NULL, NULL, NULL );
   }

   return GL_TRUE;
}
示例#17
0
/* Called by the _mesa_store_teximage[123]d() functions. */
static gl_format
mach64ChooseTextureFormat( struct gl_context *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 GL_COMPRESSED_ALPHA:
   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 GL_COMPRESSED_LUMINANCE_ALPHA:
   case 4:
   case GL_RGBA:
   case GL_RGBA2:
   case GL_COMPRESSED_RGBA:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888;
      else
         return MESA_FORMAT_ARGB4444;

   case GL_RGB5_A1:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888;
      else
         return MESA_FORMAT_ARGB1555;

   case GL_RGBA8:
   case GL_RGB10_A2:
   case GL_RGBA12:
   case GL_RGBA16:
   case GL_RGBA4:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888;
      else
         return MESA_FORMAT_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:
   case GL_COMPRESSED_RGB:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888;
      else
         return MESA_FORMAT_RGB565;

   case 1:
   case GL_LUMINANCE:
   case GL_LUMINANCE4:
   case GL_LUMINANCE8:
   case GL_LUMINANCE12:
   case GL_LUMINANCE16:
   case GL_COMPRESSED_LUMINANCE:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888; /* inefficient but accurate */
      else
         return MESA_FORMAT_ARGB1555;

   case GL_INTENSITY4:
   case GL_INTENSITY:
   case GL_INTENSITY8:
   case GL_INTENSITY12:
   case GL_INTENSITY16:
   case GL_COMPRESSED_INTENSITY:
      if (mmesa->mach64Screen->cpp == 4)
         return MESA_FORMAT_ARGB8888; /* inefficient but accurate */
      else
         return MESA_FORMAT_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_FORMAT_CI8;

   case GL_YCBCR_MESA:
      if (type == GL_UNSIGNED_SHORT_8_8_APPLE ||
          type == GL_UNSIGNED_BYTE)
         return MESA_FORMAT_YCBCR;
      else
         return MESA_FORMAT_YCBCR_REV;

   default:
      _mesa_problem( ctx, "unexpected format in %s", __FUNCTION__ );
      return MESA_FORMAT_NONE;
   }
}
示例#18
0
static void mach64UpdateTextureUnit( GLcontext *ctx, int unit )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   int source = mmesa->tmu_source[unit];
   const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
   const struct gl_texture_object *tObj = ctx->Texture.Unit[source]._Current;
   mach64TexObjPtr t = tObj->DriverData;
   GLuint d = mmesa->setup.dp_pix_width;
   GLuint s = mmesa->setup.scale_3d_cntl;

   assert(unit == 0 || unit == 1);  /* only two tex units */

   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
      fprintf( stderr, "%s( %p, %d ) enabled=0x%x 0x%x\n",
	       __FUNCTION__, ctx, unit, ctx->Texture.Unit[0]._ReallyEnabled,
	       ctx->Texture.Unit[1]._ReallyEnabled);
   }

   if (texUnit->_ReallyEnabled & (TEXTURE_1D_BIT | TEXTURE_2D_BIT)) {

      assert(t);  /* should have driver tex data by now */

      /* Fallback if there's a texture border */
      if ( tObj->Image[0][tObj->BaseLevel]->Border > 0 ) {
         FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
         return;
      }

      /* Upload teximages */
      if (t->base.dirty_images[0]) {
         mach64SetTexImages( mmesa, tObj );
	 mmesa->dirty |= (MACH64_UPLOAD_TEX0IMAGE << unit);
      }

      /* Bind to the given texture unit */
      mmesa->CurrentTexObj[unit] = t;
      t->base.bound |= (1 << unit);

      if ( t->base.memBlock )
         driUpdateTextureLRU( (driTextureObject *) t ); /* XXX: should be locked! */

      /* register setup */
      if ( unit == 0 ) {
         d &= ~MACH64_SCALE_PIX_WIDTH_MASK;
         d |= (t->textureFormat << 28);
   
         s &= ~(MACH64_TEXTURE_DISABLE |
		MACH64_TEX_CACHE_SPLIT |
		MACH64_TEX_BLEND_FCN_MASK |
		MACH64_TEX_MAP_AEN);
   
         if ( mmesa->multitex ) {
	    s |= MACH64_TEX_BLEND_FCN_TRILINEAR | MACH64_TEX_CACHE_SPLIT;
         } else if ( t->BilinearMin ) {
	    s |= MACH64_TEX_BLEND_FCN_LINEAR;
         } else {
	    s |= MACH64_TEX_BLEND_FCN_NEAREST;
         }
         if ( t->BilinearMag ) {
	    s |=  MACH64_BILINEAR_TEX_EN;
         } else {
	    s &= ~MACH64_BILINEAR_TEX_EN;
         }
   
         if ( t->hasAlpha ) {
	    s |= MACH64_TEX_MAP_AEN;
         }
   
         mmesa->setup.tex_cntl &= ~(MACH64_TEXTURE_CLAMP_S |
				    MACH64_TEXTURE_CLAMP_T |
				    MACH64_SECONDARY_STW);
   
         if ( t->ClampS ) {
	    mmesa->setup.tex_cntl |= MACH64_TEXTURE_CLAMP_S;
         }
         if ( t->ClampT ) {
	    mmesa->setup.tex_cntl |= MACH64_TEXTURE_CLAMP_T;
         }
   
         mmesa->setup.tex_size_pitch |= ((t->widthLog2  << 0) |
					 (t->maxLog2    << 4) |
					 (t->heightLog2 << 8));
      } else {
         
         /* Enable texture mapping mode */
         s &= ~MACH64_TEXTURE_DISABLE;
   
         d &= ~MACH64_COMPOSITE_PIX_WIDTH_MASK;
         d |= (t->textureFormat << 4);
   
         mmesa->setup.tex_cntl &= ~(MACH64_COMP_ALPHA |
				    MACH64_SEC_TEX_CLAMP_S |
				    MACH64_SEC_TEX_CLAMP_T);
         mmesa->setup.tex_cntl |= (MACH64_TEXTURE_COMPOSITE |
				   MACH64_SECONDARY_STW);
   
         if ( t->BilinearMin ) {
	    mmesa->setup.tex_cntl |= MACH64_COMP_BLEND_BILINEAR;
         } else {
	    mmesa->setup.tex_cntl &= ~MACH64_COMP_BLEND_BILINEAR;
         }
         if ( t->BilinearMag ) {
	    mmesa->setup.tex_cntl |=  MACH64_COMP_FILTER_BILINEAR;
         } else {
	    mmesa->setup.tex_cntl &= ~MACH64_COMP_FILTER_BILINEAR;
         }
         
         if ( t->hasAlpha ) {
	    mmesa->setup.tex_cntl |= MACH64_COMP_ALPHA;
         }
         if ( t->ClampS ) {
	    mmesa->setup.tex_cntl |= MACH64_SEC_TEX_CLAMP_S;
         }
         if ( t->ClampT ) {
	    mmesa->setup.tex_cntl |= MACH64_SEC_TEX_CLAMP_T;
         }
   
         mmesa->setup.tex_size_pitch |= ((t->widthLog2  << 16) |
					 (t->maxLog2    << 20) |
					 (t->heightLog2 << 24));
      }
   
      if ( mmesa->setup.scale_3d_cntl != s ) {
         mmesa->setup.scale_3d_cntl = s;
         mmesa->dirty |= MACH64_UPLOAD_SCALE_3D_CNTL;
      }
   
      if ( mmesa->setup.dp_pix_width != d ) {
         mmesa->setup.dp_pix_width = d;
         mmesa->dirty |= MACH64_UPLOAD_DP_PIX_WIDTH;
      }  
   }
   else if (texUnit->_ReallyEnabled) {
      /* 3D or cube map texture enabled - fallback */
      FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
   }
   else {
      /* texture unit disabled */
   }
}
static void mach64SpanRenderStart( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   LOCK_HARDWARE( mmesa );
   FINISH_DMA_LOCKED( mmesa );
}
示例#20
0
static void mach64UpdateTextureEnv( GLcontext *ctx, int unit )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   GLint source = mmesa->tmu_source[unit];
   const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[source];
   const struct gl_texture_object *tObj = texUnit->_Current;
   const GLenum format = tObj->Image[0][tObj->BaseLevel]->_BaseFormat;
   GLuint s = mmesa->setup.scale_3d_cntl;

   if ( MACH64_DEBUG & DEBUG_VERBOSE_API ) {
      fprintf( stderr, "%s( %p, %d )\n",
	       __FUNCTION__, ctx, unit );
   }

/*                 REPLACE  MODULATE   DECAL              GL_BLEND
 *
 * ALPHA           C = Cf   C = Cf     undef              C = Cf
 *                 A = At   A = AfAt                      A = AfAt
 *
 * LUMINANCE       C = Ct   C = CfCt   undef              C = Cf(1-Ct)+CcCt 
 *                 A = Af   A = Af                        A = Af
 *
 * LUMINANCE_ALPHA C = Ct   C = CfCt   undef              C = Cf(1-Ct)+CcCt
 *                 A = At   A = AfAt                      A = AfAt
 *
 * INTENSITY       C = Ct   C = CfCt   undef              C = Cf(1-Ct)+CcCt
 *                 A = At   A = AfAt                      A = Af(1-At)+AcAt
 *
 * RGB             C = Ct   C = CfCt   C = Ct             C = Cf(1-Ct)+CcCt
 *                 A = Af   A = Af     A = Af             A = Af
 *
 * RGBA            C = Ct   C = CfCt   C = Cf(1-At)+CtAt  C = Cf(1-Ct)+CcCt
 *                 A = At   A = AfAt   A = Af             A = AfAt 
 */


   if ( unit == 0 ) {
      s &= ~MACH64_TEX_LIGHT_FCN_MASK;

      /* Set the texture environment state 
       * Need to verify these are working correctly, but the
       * texenv Mesa demo seems to work.
       */
      switch ( texUnit->EnvMode ) {
      case GL_REPLACE:
	 switch ( format ) {
	 case GL_ALPHA:
	 case GL_LUMINANCE_ALPHA:
	 case GL_INTENSITY:
	    /* Not compliant - can't get At */
	    FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 default:
	    s |= MACH64_TEX_LIGHT_FCN_REPLACE;
	 }
	 break;
      case GL_MODULATE:
	 switch ( format ) {
	 case GL_ALPHA:
	    FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 case GL_RGB:
	 case GL_LUMINANCE:
	    /* These should be compliant */
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 case GL_LUMINANCE_ALPHA:
	 case GL_INTENSITY:
	    FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 case GL_RGBA:
	    /* Should fallback when blending enabled for complete compliance */
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 default:
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	 }
	 break;
      case GL_DECAL:
	 switch ( format ) {
	 case GL_RGBA: 
	    s |= MACH64_TEX_LIGHT_FCN_ALPHA_DECAL;
	    break;
	 case GL_RGB:
	    s |= MACH64_TEX_LIGHT_FCN_REPLACE;
	    break;
	 case GL_ALPHA:
	 case GL_LUMINANCE_ALPHA:
	    /* undefined - disable texturing, pass fragment unmodified  */
	    /* Also, pass fragment alpha instead of texture alpha */
	    s &= ~MACH64_TEX_MAP_AEN;
	    s |= MACH64_TEXTURE_DISABLE;
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 case GL_LUMINANCE:
	 case GL_INTENSITY:
	    /* undefined - disable texturing, pass fragment unmodified  */
	    s |= MACH64_TEXTURE_DISABLE;
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	    break;
	 default:
	    s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	 }
	 break;
      case GL_BLEND:
	 /* GL_BLEND not supported by RagePRO, use software */
	 FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	 s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	 break;
      case GL_ADD:
      case GL_COMBINE:
	 FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	 s |= MACH64_TEX_LIGHT_FCN_MODULATE;
	 break;
      default:
	 s |= MACH64_TEX_LIGHT_FCN_MODULATE;
      }

      if ( mmesa->setup.scale_3d_cntl != s ) {
	 mmesa->setup.scale_3d_cntl = s;
	 mmesa->dirty |= MACH64_UPLOAD_SCALE_3D_CNTL;
      }

   } else {
      /* blend = 0, modulate = 1 - initialize to blend */
      mmesa->setup.tex_cntl &= ~MACH64_COMP_COMBINE_MODULATE;
      /* Set the texture composite function for multitexturing*/
      switch ( texUnit->EnvMode ) {
      case GL_BLEND:
	 /* GL_BLEND not supported by RagePRO, use software */
	 FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	 mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	 break;
      case GL_MODULATE:
	 /* Should fallback when blending enabled for complete compliance */
	 mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	 break;
      case GL_REPLACE:
	 switch ( format ) {
	 case GL_ALPHA:
	    mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	    break;
	 default: /* not supported by RagePRO */
	    FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	    mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	 }
	 break;
      case GL_DECAL:
	 switch ( format ) {
	 case GL_ALPHA:
	 case GL_LUMINANCE:
	 case GL_LUMINANCE_ALPHA:
	 case GL_INTENSITY:
	    /* undefined, disable compositing and pass fragment unmodified */
	    mmesa->setup.tex_cntl &= ~MACH64_TEXTURE_COMPOSITE;
	    break;
	 default: /* not supported by RagePRO */
	    FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	    mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	 }
	 break;
      case GL_ADD:
      case GL_COMBINE:
	 FALLBACK( mmesa, MACH64_FALLBACK_TEXTURE, GL_TRUE );
	 mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
	 break;
      default:
	 mmesa->setup.tex_cntl |= MACH64_COMP_COMBINE_MODULATE;
      }
   }
}
static void mach64SpanRenderFinish( GLcontext *ctx )
{
   mach64ContextPtr mmesa = MACH64_CONTEXT(ctx);
   _swrast_flush( ctx );
   UNLOCK_HARDWARE( mmesa );
}
示例#22
0
/* 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;
   }
}