removed tfxMipMapLevel's used and translate fields, initial teximage clean-up

3 files changed, 154 insertions, 316 deletions

diff --git a/src/mesa/drivers/glide/fxddtex.c b/src/mesa/drivers/glide/fxddtex.c
index 0b2eb10a9a..779591addc 100644
--- a/src/mesa/drivers/glide/fxddtex.c
+++ b/src/mesa/drivers/glide/fxddtex.c
@@ -50,6 +50,9 @@
 #if defined(FX)
 
 #include "fxdrv.h"
+#include "image.h"
+#include "texutil.h"
+
 
 void fxPrintTextureData(tfxTexInfo *ti)
 {
@@ -129,7 +132,6 @@ static tfxTexInfo *fxAllocTexObjData(fxMesaContext fxMesa)
   ti->LODblend=FXFALSE;
 
   for(i=0;i<MAX_TEXTURE_LEVELS;i++) {
-    ti->mipmapLevel[i].used=GL_FALSE;
     ti->mipmapLevel[i].data=NULL;
   }
 
@@ -775,12 +777,14 @@ void fxTexGetFormat(GLenum glformat, GrTextureFormat_t *tfmt, GLint *ifmt)
   }
 }
 
-static int fxIsTexSupported(GLenum target, GLint internalFormat,
-                            const struct gl_texture_image *image)
+static GLboolean fxIsTexSupported(GLenum target, GLint internalFormat,
+                                  const struct gl_texture_image *image)
 {
   if(target!=GL_TEXTURE_2D)
     return GL_FALSE;
 
+#if 0
+  /* mesa will have already checked this */
   switch(internalFormat) {
     case GL_INTENSITY:
     case GL_INTENSITY4:
@@ -841,6 +845,7 @@ static int fxIsTexSupported(GLenum target, GLint internalFormat,
 
   if(image->Height>256)
     return GL_FALSE;
+#endif
 
   if(!fxTexGetInfo(image->Width,image->Height,NULL,NULL,NULL,NULL,NULL,NULL,
 		   NULL,NULL))
@@ -850,273 +855,116 @@ static int fxIsTexSupported(GLenum target, GLint internalFormat,
 }
 
 static void fxTexBuildImageMap(const struct gl_texture_image *image,
-                               GLint internalFormat, unsigned short **dest,
-                               GLboolean *istranslate)
+                               GLint internalFormat, unsigned short **dest)
 {
-  unsigned short *src;
-  unsigned char *data;
-  int x,y,w,h,wscale,hscale,idx;
+  int w, h, wscale, hscale;
+  int texelSize;  /* in bytes */
+  MesaIntTexFormat intFormat;
 
   fxTexGetInfo(image->Width,image->Height,NULL,NULL,NULL,NULL,NULL,NULL,
 	       &wscale,&hscale);
-  w=image->Width*wscale;
-  h=image->Height*hscale;
-
-  data=image->Data;
-  switch(internalFormat) {
-  case GL_INTENSITY:
-  case GL_INTENSITY4:
-  case GL_INTENSITY8:
-  case GL_INTENSITY12:
-  case GL_INTENSITY16:
-  case 1:
-  case GL_LUMINANCE:
-  case GL_LUMINANCE4:
-  case GL_LUMINANCE8:
-  case GL_LUMINANCE12:
-  case GL_LUMINANCE16:
-  case GL_ALPHA:
-  case GL_ALPHA4:
-  case GL_ALPHA8:
-  case GL_ALPHA12:
-  case GL_ALPHA16:
-  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:
-    /* Optimized for GLQuake */
-
-    if(wscale==hscale==1) {
-      (*istranslate)=GL_FALSE;
-
-      (*dest)=(unsigned short *)data;
-    } else {
-      unsigned char *srcb;
-
-      (*istranslate)=GL_TRUE;
-
-      if(!(*dest)) {
-        if(!((*dest)=src=(unsigned short *)MALLOC(sizeof(unsigned char)*w*h))) {
-          fprintf(stderr,"fx Driver: out of memory !\n");
-          fxCloseHardware();
-          exit(-1);
-        }
-      } else
-        src=(*dest);
-
-      srcb=(unsigned char *)src;
-
-      for(y=0;y<h;y++)
-        for(x=0;x<w;x++) {
-          idx=(x/wscale+(y/hscale)*(w/wscale));
-          srcb[x+y*w]=data[idx];
-        }
-    }
-    break;
-  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:
-    (*istranslate)=GL_TRUE;
-
-    if(!(*dest)) {
-      if(!((*dest)=src=(unsigned short *)MALLOC(sizeof(unsigned short)*w*h))) {
-        fprintf(stderr,"fx Driver: out of memory !\n");
-        fxCloseHardware();
-        exit(-1);
-      }
-    } else
-      src=(*dest);
+  w = image->Width * wscale;
+  h = image->Height * hscale;
 
-    if(wscale==hscale==1) {
-      int i=0;
-      int lenght=h*w;
-      unsigned short a,l;
-
-      while(i++<lenght) {
-        l=*data++;
-        a=*data++;
-
-        *src++=(a << 8) | l;
-      }
-    } else {
-      unsigned short a,l;
-
-      for(y=0;y<h;y++)
-        for(x=0;x<w;x++) {
-          idx=(x/wscale+(y/hscale)*(w/wscale))*2;
-          l=data[idx];
-          a=data[idx+1];
+  switch (internalFormat) {
+    case GL_INTENSITY:
+    case GL_INTENSITY4:
+    case GL_INTENSITY8:
+    case GL_INTENSITY12:
+    case GL_INTENSITY16:
+      texelSize = 1;
+      intFormat = MESA_I8;
+      break;
+    case 1:
+    case GL_LUMINANCE:
+    case GL_LUMINANCE4:
+    case GL_LUMINANCE8:
+    case GL_LUMINANCE12:
+    case GL_LUMINANCE16:
+      texelSize = 1;
+      intFormat = MESA_L8;
+      break;
+    case GL_ALPHA:
+    case GL_ALPHA4:
+    case GL_ALPHA8:
+    case GL_ALPHA12:
+    case GL_ALPHA16:
+      texelSize = 1;
+      intFormat = MESA_A8;
+      break;
+    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:
+      texelSize = 1;
+      intFormat = MESA_C8;
+      break;
+    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:
+      texelSize = 2;
+      intFormat = MESA_L8_A8;
+      break;
+    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:
+      texelSize = 2;
+      intFormat = MESA_R5_G6_B5;
+      break;
+    case 4:
+    case GL_RGBA:
+    case GL_RGBA2:
+    case GL_RGBA4:
+    case GL_RGBA8:
+    case GL_RGB10_A2:
+    case GL_RGBA12:
+    case GL_RGBA16:
+      texelSize = 2;
+      intFormat = MESA_A4_R4_G4_B4;
+      break;
+    case GL_RGB5_A1:
+      texelSize = 2;
+      intFormat = MESA_A1_R5_G5_B5;
+      break;
+    default:
+      fprintf(stderr,"tdfx driver: texbuildimagemap() bad format\n");
+      return;
+  }
 
-          src[x+y*w]=(a << 8) | l;
-        }
+  /* alloc teximage memory */
+  if (!(*dest)) {
+    *dest = (GLushort *) MALLOC(w * h * texelSize);
+    if (!(*dest)) {
+      return;  /* out of memory */
     }
-    break;
-  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:
-    (*istranslate)=GL_TRUE;
-
-    if(!(*dest)) {
-      if(!((*dest)=src=(unsigned short *)MALLOC(sizeof(unsigned short)*w*h))) {
-        fprintf(stderr,"fx Driver: out of memory !\n");
-        fxCloseHardware();
-        exit(-1);
-      }
-    } else
-      src=(*dest);
-
-    if(wscale==hscale==1) {
-      int i=0;
-      int lenght=h*w;
-      unsigned int r,g,b;
-
-      while(i++<lenght) {
-        r=*data++;
-        g=*data++;
-        b=*data++;
-
-        *src++=((0xf8 & r) << (11-3))  |
-          ((0xfc & g) << (5-3+1))      |
-          ((0xf8 & b) >> 3); 
-      }
-    } else {
-      unsigned int r,g,b;
-
-      for(y=0;y<h;y++)
-        for(x=0;x<w;x++) {
-          idx=(x/wscale+(y/hscale)*(w/wscale))*3;
-          r=data[idx];
-          g=data[idx+1];
-          b=data[idx+2];
+  }
 
-          src[x+y*w]=((0xf8 & r) << (11-3))  |
-            ((0xfc & g) << (5-3+1))      |
-            ((0xf8 & b) >> 3); 
-        }
-    }
-    break;
-  case 4:
-  case GL_RGBA:
-  case GL_RGBA2:
-  case GL_RGBA4:
-  case GL_RGBA8:
-  case GL_RGB10_A2:
-  case GL_RGBA12:
-  case GL_RGBA16:
-    (*istranslate)=GL_TRUE;
+  /* convert image to internal format */
+  _mesa_convert_teximage(intFormat, w, h, *dest,
+                         image->Width, image->Height,
+                         image->Format, GL_UNSIGNED_BYTE,
+                         image->Data, &_mesa_native_packing);
+}
 
-    if(!(*dest)) {
-      if(!((*dest)=src=(unsigned short *)MALLOC(sizeof(unsigned short)*w*h))) {
-        fprintf(stderr,"fx Driver: out of memory !\n");
-        fxCloseHardware();
-        exit(-1);
-      }
-    } else
-      src=(*dest);
-
-    if(wscale==hscale==1) {
-      int i=0;
-      int lenght=h*w;
-      unsigned int r,g,b,a;
-
-      while(i++<lenght) {
-        r=*data++;
-        g=*data++;
-        b=*data++;
-        a=*data++;
-
-        *src++=((0xf0 & a) << 8) |
-          ((0xf0 & r) << 4)      |
-          (0xf0 & g)             |
-          ((0xf0 & b) >> 4);
-      }
-    } else {
-      unsigned int r,g,b,a;
-
-      for(y=0;y<h;y++)
-        for(x=0;x<w;x++) {
-          idx=(x/wscale+(y/hscale)*(w/wscale))*4;
-          r=data[idx];
-          g=data[idx+1];
-          b=data[idx+2];
-          a=data[idx+3];
-
-          src[x+y*w]=((0xf0 & a) << 8) |
-            ((0xf0 & r) << 4)      |
-            (0xf0 & g)             |
-            ((0xf0 & b) >> 4);
-        }
-    }
-    break;
-  case GL_RGB5_A1:
-    (*istranslate)=GL_TRUE;
 
-    if(!(*dest)) {
-      if(!((*dest)=src=(unsigned short *)malloc(sizeof(unsigned short)*w*h))) {
-        fprintf(stderr,"fx Driver: out of memory !\n");
-        fxCloseHardware();
-        exit(-1);
-      }
-    } else
-      src=(*dest);
-
-    if(wscale==hscale==1) {
-      int i=0;
-      int lenght=h*w;
-      unsigned  r,g,b,a;
-
-      while(i++<lenght) {
-        r=*data++;
-        g=*data++;
-        b=*data++;
-        a=*data++;
-        *src++=((0x80 & a) << 8) |
-          ((0xf8 & r) << 7)      |
-          ((0xf8 & g) << 2)      |
-          ((0xf8 & b) >> 3);
-      }
-    } else {
-      unsigned r,g,b,a;
-
-      for(y=0;y<h;y++)
-        for(x=0;x<w;x++) {
-          idx=(x/wscale+(y/hscale)*(w/wscale))*4;
-          r=data[idx];
-          g=data[idx+1];
-          b=data[idx+2];
-          a=data[idx+3];
-
-          src[x+y*w]=((0x80 & a) << 8) |
-          ((0xf8 & r) << 7)      |
-          ((0xf8 & g) << 2)      |
-          ((0xf8 & b) >> 3);
-        }
-    }
-    break;
-  default:
-    fprintf(stderr,"fx Driver: wrong internalFormat in texbuildimagemap()\n");
-    fxCloseHardware();
-    exit(-1);
-    break;
-  }
-}
 
 void fxDDTexImg(GLcontext *ctx, GLenum target,
-                struct gl_texture_object *tObj, GLint level, GLint internalFormat,
+                struct gl_texture_object *tObj, GLint level,
+                GLint internalFormat,
                 const struct gl_texture_image *image)
 {
   fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
@@ -1129,59 +977,55 @@ void fxDDTexImg(GLcontext *ctx, GLenum target,
 	     image->Height);
   }
 
-  if(target!=GL_TEXTURE_2D)
+  if (target!=GL_TEXTURE_2D)
     return;
 
   if (!tObj->DriverData)
     tObj->DriverData=fxAllocTexObjData(fxMesa);
 
-  ti=fxTMGetTexInfo(tObj);
+  ti = fxTMGetTexInfo(tObj);
 
-  if(fxIsTexSupported(target,internalFormat,image)) {
+  if (fxIsTexSupported(target,internalFormat,image)) {
     GrTextureFormat_t gldformat;
-    tfxMipMapLevel *mml=&ti->mipmapLevel[level];
+    tfxMipMapLevel *mml = &ti->mipmapLevel[level];
 
-    fxTexGetFormat(internalFormat,&gldformat,NULL);
+    fxTexGetFormat(internalFormat, &gldformat, NULL);
     
-    if(mml->used) {
-      if((mml->glideFormat==gldformat) &&
-         (mml->width==image->Width) &&
-         (mml->height==image->Height)) {
-        fxTexBuildImageMap(image,internalFormat,&(mml->data),
-                           &(mml->translated));
-
-        if(ti->validated && ti->isInTM)
-          fxTMReloadMipMapLevel(fxMesa,tObj,level);
-        else
-          fxTexInvalidate(ctx,tObj);
-
-        return;
-      } else {
-        if(mml->translated)
-          FREE(mml->data);
-        mml->data=NULL;
-      }
+    if ((mml->glideFormat == gldformat) &&
+        (mml->width == image->Width) &&
+        (mml->height == image->Height)) {
+      /* overwrite existing texture image of same size and format */
+      fxTexBuildImageMap(image, internalFormat, &(mml->data));
+
+      if(ti->validated && ti->isInTM)
+        fxTMReloadMipMapLevel(fxMesa, tObj, level);
+      else
+        fxTexInvalidate(ctx,tObj);
     }
+    else {
+      /* deallocate existing texture image, if any */
+      if (mml->data) {
+        FREE(mml->data);
+        mml->data = NULL;
+      }
+      mml->glideFormat = gldformat;
+      mml->width = image->Width;
+      mml->height = image->Height;
 
-    mml->glideFormat=gldformat;
-    mml->width=image->Width;
-    mml->height=image->Height;
-    mml->used=GL_TRUE;
-
-    fxTexBuildImageMap(image,internalFormat,&(mml->data),
-                       &(mml->translated));
-
-    fxTexInvalidate(ctx,tObj);
+      /* make new texture image */
+      fxTexBuildImageMap(image, internalFormat, &(mml->data));
+      fxTexInvalidate(ctx, tObj);
+    }
+  }
+  else {
+    gl_problem(NULL, "fx Driver: unsupported texture in fxDDTexImg()\n");
   }
-#ifndef FX_SILENT
-  else
-    fprintf(stderr,"fx Driver: unsupported texture in fxDDTexImg()\n");
-#endif
 }
 
 static void fxTexBuildSubImageMap(const struct gl_texture_image *image,
                                   GLint internalFormat,
-                                  GLint xoffset, GLint yoffset, GLint width, GLint height,
+                                  GLint xoffset, GLint yoffset,
+                                  GLint width, GLint height,
                                   unsigned short *destimg)
 {
   fxTexGetInfo(image->Width,image->Height,NULL,NULL,NULL,NULL,NULL,NULL,
@@ -1212,9 +1056,9 @@ static void fxTexBuildSubImageMap(const struct gl_texture_image *image,
   case GL_COLOR_INDEX12_EXT:
   case GL_COLOR_INDEX16_EXT:
     {
-
       int y;
-      unsigned char *bsrc,*bdst;
+      unsigned char *bdst;
+      const unsigned char *bsrc;
 
       bsrc=(unsigned char *)(image->Data+(yoffset*image->Width+xoffset));
       bdst=((unsigned char *)destimg)+(yoffset*image->Width+xoffset);
@@ -1359,9 +1203,7 @@ static void fxTexBuildSubImageMap(const struct gl_texture_image *image,
     }
     break; 
   default:
-    fprintf(stderr,"fx Driver: wrong internalFormat in fxTexBuildSubImageMap()\n");
-    fxCloseHardware();
-    exit(-1);
+    fprintf(stderr,"tdfx driver: fxTexBuildSubImageMap() bad format\n");
     break;
   }
 }
@@ -1396,13 +1238,12 @@ void fxDDTexSubImg(GLcontext *ctx, GLenum target,
 
   fxTexGetFormat(internalFormat,&gldformat,NULL);
 
-  if(mml->glideFormat!=gldformat) {
+  if (mml->glideFormat != gldformat) {
      if (MESA_VERBOSE&VERBOSE_DRIVER) {
-	fprintf(stderr,"fxmesa:  ti->info.format!=format in fxDDTexSubImg()\n");
+       gl_problem(NULL, "glide texture format mismatch in fxDDTexSubImg");
      }
-    fxDDTexImg(ctx,target,tObj,level,internalFormat,image);
-
-    return;
+     fxDDTexImg(ctx,target,tObj,level,internalFormat,image);
+     return;
   }
 
   fxTexGetInfo(image->Width,image->Height,NULL,NULL,NULL,NULL,NULL,NULL,&wscale,&hscale);
@@ -1416,9 +1257,9 @@ void fxDDTexSubImg(GLcontext *ctx, GLenum target,
     return;
   }
 
-  if(mml->translated)
-    fxTexBuildSubImageMap(image,internalFormat,xoffset,yoffset,
-                          width,height,mml->data);
+  assert(mml->data);  /* must have an existing texture image! */
+  fxTexBuildSubImageMap(image,internalFormat,xoffset,yoffset,
+                        width,height,mml->data);
 
   if(ti->validated && ti->isInTM)
     fxTMReloadSubMipMapLevel(fxMesa,tObj,level,yoffset,height);
diff --git a/src/mesa/drivers/glide/fxdrv.h b/src/mesa/drivers/glide/fxdrv.h
index 4b416968a7..042048d4d8 100644
--- a/src/mesa/drivers/glide/fxdrv.h
+++ b/src/mesa/drivers/glide/fxdrv.h
@@ -274,9 +274,7 @@ typedef struct MemRange_t {
 typedef struct {
   GLsizei width, height;              /* image size */
   GrTextureFormat_t glideFormat;      /* Glide image format */
-  unsigned short *data;         /* Glide-formated texture image */
-  GLboolean translated;         /* True if data points to a reformated image */
-  GLboolean used;               /* True if we've given the image to Glide */
+  unsigned short *data;               /* Glide-formated texture image */
 } tfxMipMapLevel;
 
 typedef struct tfxTexInfo_t {
diff --git a/src/mesa/drivers/glide/fxtexman.c b/src/mesa/drivers/glide/fxtexman.c
index 87f309adc3..bc20fa10bc 100644
--- a/src/mesa/drivers/glide/fxtexman.c
+++ b/src/mesa/drivers/glide/fxtexman.c
@@ -651,12 +651,11 @@ void fxTMFreeTexture(fxMesaContext fxMesa, struct gl_texture_object *tObj)
 
   fxTMMoveOutTM(fxMesa, tObj);
 
-  for(i=0; i<MAX_TEXTURE_LEVELS; i++) {
-    if (ti->mipmapLevel[i].used &&
-	ti->mipmapLevel[i].translated)
+  for (i=0; i<MAX_TEXTURE_LEVELS; i++) {
+    if (ti->mipmapLevel[i].data) {
       FREE(ti->mipmapLevel[i].data);
-
-    (void)ti->mipmapLevel[i].data;
+      ti->mipmapLevel[i].data = NULL;
+    }
   }
   switch (ti->whichTMU) {
   case FX_TMU0: