mesa: replace gl_texture_format with gl_format

[mesa.git] / src / mesa / swrast / s_texfilter.c

diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index a483023a50332e421de64d41e6a7e9782370245a..11c8f9256a8ed70c6766098f9336a17d1d04e285 100644 (file)
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -138,7 +138,7 @@ lerp_rgba_3d(GLfloat result[4], GLfloat a, GLfloat b, GLfloat c,
  * If A is a signed integer, A % B doesn't give the right value for A < 0
  * (in terms of texture repeat).  Just casting to unsigned fixes that.
  */
-#define REMAINDER(A, B) ((unsigned) (A) % (unsigned) (B))
+#define REMAINDER(A, B) (((A) + (B) * 1024) % (B))
 
 
 /**
@@ -462,6 +462,7 @@ clamp_rect_coord_linear(GLenum wrapMode, GLfloat coord, GLint max,
       fcol -= 0.5F;
       i0 = IFLOOR(fcol);
       i1 = i0 + 1;
+      break;
    default:
       _mesa_problem(NULL, "bad wrapMode in clamp_rect_coord_linear");
       i0 = i1 = 0;
@@ -744,7 +745,7 @@ get_border_color(const struct gl_texture_object *tObj,
                  const struct gl_texture_image *img,
                  GLfloat rgba[4])
 {
-   switch (img->TexFormat->BaseFormat) {
+   switch (img->_BaseFormat) {
    case GL_RGB:
       rgba[0] = tObj->BorderColor[0];
       rgba[1] = tObj->BorderColor[1];
@@ -1151,7 +1152,7 @@ sample_2d_linear_repeat(GLcontext *ctx,
    ASSERT(tObj->WrapS == GL_REPEAT);
    ASSERT(tObj->WrapT == GL_REPEAT);
    ASSERT(img->Border == 0);
-   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
    ASSERT(img->_IsPowerOfTwo);
 
    linear_repeat_texel_location(width,  texcoord[0], &i0, &i1, &wi);
@@ -1328,7 +1329,7 @@ static void
 opt_sample_rgb_2d(GLcontext *ctx,
                   const struct gl_texture_object *tObj,
                   GLuint n, const GLfloat texcoords[][4],
-                  const GLfloat lambda[], GLchan rgba[][4])
+                  const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
    const GLfloat width = (GLfloat) img->Width;
@@ -1342,7 +1343,7 @@ opt_sample_rgb_2d(GLcontext *ctx,
    ASSERT(tObj->WrapS==GL_REPEAT);
    ASSERT(tObj->WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
-   ASSERT(img->TexFormat->MesaFormat==MESA_FORMAT_RGB);
+   ASSERT(img->TexFormat == MESA_FORMAT_RGB);
    ASSERT(img->_IsPowerOfTwo);
 
    for (k=0; k<n; k++) {
@@ -1350,9 +1351,9 @@ opt_sample_rgb_2d(GLcontext *ctx,
       GLint j = IFLOOR(texcoords[k][1] * height) & rowMask;
       GLint pos = (j << shift) | i;
       GLchan *texel = ((GLchan *) img->Data) + 3*pos;
-      rgba[k][RCOMP] = texel[0];
-      rgba[k][GCOMP] = texel[1];
-      rgba[k][BCOMP] = texel[2];
+      rgba[k][RCOMP] = CHAN_TO_FLOAT(texel[0]);
+      rgba[k][GCOMP] = CHAN_TO_FLOAT(texel[1]);
+      rgba[k][BCOMP] = CHAN_TO_FLOAT(texel[2]);
    }
 }
 
@@ -1369,7 +1370,7 @@ static void
 opt_sample_rgba_2d(GLcontext *ctx,
                    const struct gl_texture_object *tObj,
                    GLuint n, const GLfloat texcoords[][4],
-                   const GLfloat lambda[], GLchan rgba[][4])
+                   const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
    const GLfloat width = (GLfloat) img->Width;
@@ -1383,7 +1384,7 @@ opt_sample_rgba_2d(GLcontext *ctx,
    ASSERT(tObj->WrapS==GL_REPEAT);
    ASSERT(tObj->WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
-   ASSERT(img->TexFormat->MesaFormat==MESA_FORMAT_RGBA);
+   ASSERT(img->TexFormat == MESA_FORMAT_RGBA);
    ASSERT(img->_IsPowerOfTwo);
 
    for (i = 0; i < n; i++) {
@@ -1391,7 +1392,10 @@ opt_sample_rgba_2d(GLcontext *ctx,
       const GLint row = IFLOOR(texcoords[i][1] * height) & rowMask;
       const GLint pos = (row << shift) | col;
       const GLchan *texel = ((GLchan *) img->Data) + (pos << 2);    /* pos*4 */
-      COPY_4V(rgba[i], texel);
+      rgba[i][RCOMP] = CHAN_TO_FLOAT(texel[0]);
+      rgba[i][GCOMP] = CHAN_TO_FLOAT(texel[1]);
+      rgba[i][BCOMP] = CHAN_TO_FLOAT(texel[2]);
+      rgba[i][ACOMP] = CHAN_TO_FLOAT(texel[3]);
    }
 }
 
@@ -1410,7 +1414,7 @@ sample_lambda_2d(GLcontext *ctx,
    const GLboolean repeatNoBorderPOT = (tObj->WrapS == GL_REPEAT)
       && (tObj->WrapT == GL_REPEAT)
       && (tImg->Border == 0 && (tImg->Width == tImg->RowStride))
-      && (tImg->TexFormat->BaseFormat != GL_COLOR_INDEX)
+      && (tImg->_BaseFormat != GL_COLOR_INDEX)
       && tImg->_IsPowerOfTwo;
 
    ASSERT(lambda != NULL);
@@ -1423,8 +1427,7 @@ sample_lambda_2d(GLcontext *ctx,
       switch (tObj->MinFilter) {
       case GL_NEAREST:
          if (repeatNoBorderPOT) {
-            switch (tImg->TexFormat->MesaFormat) {
-#if 0
+            switch (tImg->TexFormat) {
             case MESA_FORMAT_RGB:
                opt_sample_rgb_2d(ctx, tObj, m, texcoords + minStart,
                                  NULL, rgba + minStart);
@@ -1433,7 +1436,6 @@ sample_lambda_2d(GLcontext *ctx,
               opt_sample_rgba_2d(ctx, tObj, m, texcoords + minStart,
                                   NULL, rgba + minStart);
                break;
-#endif
             default:
                sample_nearest_2d(ctx, tObj, m, texcoords + minStart,
                                  NULL, rgba + minStart );
@@ -1482,8 +1484,7 @@ sample_lambda_2d(GLcontext *ctx,
       switch (tObj->MagFilter) {
       case GL_NEAREST:
          if (repeatNoBorderPOT) {
-            switch (tImg->TexFormat->MesaFormat) {
-#if 0
+            switch (tImg->TexFormat) {
             case MESA_FORMAT_RGB:
                opt_sample_rgb_2d(ctx, tObj, m, texcoords + magStart,
                                  NULL, rgba + magStart);
@@ -1492,7 +1493,6 @@ sample_lambda_2d(GLcontext *ctx,
               opt_sample_rgba_2d(ctx, tObj, m, texcoords + magStart,
                                   NULL, rgba + magStart);
                break;
-#endif
             default:
                sample_nearest_2d(ctx, tObj, m, texcoords + magStart,
                                  NULL, rgba + magStart );
@@ -1862,7 +1862,7 @@ choose_cube_face(const struct gl_texture_object *texObj,
    GLuint face;
    GLfloat sc, tc, ma;
 
-   if (arx > ary && arx > arz) {
+   if (arx >= ary && arx >= arz) {
       if (rx >= 0.0F) {
          face = FACE_POS_X;
          sc = -rz;
@@ -1876,7 +1876,7 @@ choose_cube_face(const struct gl_texture_object *texObj,
          ma = arx;
       }
    }
-   else if (ary > arx && ary > arz) {
+   else if (ary >= arx && ary >= arz) {
       if (ry >= 0.0F) {
          face = FACE_POS_Y;
          sc = rx;
@@ -1905,8 +1905,12 @@ choose_cube_face(const struct gl_texture_object *texObj,
       }
    }
 
-   newCoord[0] = ( sc / ma + 1.0F ) * 0.5F;
-   newCoord[1] = ( tc / ma + 1.0F ) * 0.5F;
+   { 
+      const float ima = 1.0F / ma;
+      newCoord[0] = ( sc * ima + 1.0F ) * 0.5F;
+      newCoord[1] = ( tc * ima + 1.0F ) * 0.5F;
+   }
+
    return (const struct gl_texture_image **) texObj->Image[face];
 }
 
@@ -2148,7 +2152,7 @@ sample_nearest_rect(GLcontext *ctx,
    ASSERT(tObj->WrapT == GL_CLAMP ||
           tObj->WrapT == GL_CLAMP_TO_EDGE ||
           tObj->WrapT == GL_CLAMP_TO_BORDER);
-   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
 
    for (i = 0; i < n; i++) {
       GLint row, col;
@@ -2182,7 +2186,7 @@ sample_linear_rect(GLcontext *ctx,
    ASSERT(tObj->WrapT == GL_CLAMP ||
           tObj->WrapT == GL_CLAMP_TO_EDGE ||
           tObj->WrapT == GL_CLAMP_TO_BORDER);
-   ASSERT(img->TexFormat->BaseFormat != GL_COLOR_INDEX);
+   ASSERT(img->_BaseFormat != GL_COLOR_INDEX);
 
    for (i = 0; i < n; i++) {
       GLint i0, j0, i1, j1;
@@ -2969,8 +2973,8 @@ sample_depth_texture( GLcontext *ctx,
 
    (void) lambda;
 
-   ASSERT(img->TexFormat->BaseFormat == GL_DEPTH_COMPONENT ||
-          img->TexFormat->BaseFormat == GL_DEPTH_STENCIL_EXT);
+   ASSERT(img->_BaseFormat == GL_DEPTH_COMPONENT ||
+          img->_BaseFormat == GL_DEPTH_STENCIL_EXT);
 
    ASSERT(tObj->Target == GL_TEXTURE_1D ||
           tObj->Target == GL_TEXTURE_2D ||
@@ -3150,7 +3154,7 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
    }
    else {
       const GLboolean needLambda = (GLboolean) (t->MinFilter != t->MagFilter);
-      const GLenum format = t->Image[0][t->BaseLevel]->TexFormat->BaseFormat;
+      const GLenum format = t->Image[0][t->BaseLevel]->_BaseFormat;
 
       switch (t->Target) {
       case GL_TEXTURE_1D:
@@ -3179,27 +3183,22 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
          }
          else {
             /* check for a few optimized cases */
-#if 0
             const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
             ASSERT(t->MinFilter == GL_NEAREST);
             if (t->WrapS == GL_REPEAT &&
                 t->WrapT == GL_REPEAT &&
                 img->_IsPowerOfTwo &&
                 img->Border == 0 &&
-                img->TexFormat->MesaFormat == MESA_FORMAT_RGB) {
+                img->TexFormat == MESA_FORMAT_RGB) {
                return &opt_sample_rgb_2d;
             }
             else if (t->WrapS == GL_REPEAT &&
                      t->WrapT == GL_REPEAT &&
                      img->_IsPowerOfTwo &&
                      img->Border == 0 &&
-                     img->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
+                     img->TexFormat == MESA_FORMAT_RGBA) {
                return &opt_sample_rgba_2d;
             }
-#else
-            if (0)
-               ;
-#endif
             else {
                return &sample_nearest_2d;
             }