mesa: move gl_texture_image::_IsPowerOfTwo into swrast

It's only used by swrast.

Reviewed-by: Ian Romanick <[email protected]>

6 files changed, 32 insertions, 19 deletions

diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index 42831d773be..a3f0deba048 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -1258,7 +1258,6 @@ struct gl_texture_image
    GLfloat HeightScale;		/**< used for mipmap LOD computation */
    GLfloat DepthScale;		/**< used for mipmap LOD computation */
    GLboolean IsClientData;	/**< Data owned by client? */
-   GLboolean _IsPowerOfTwo;	/**< Are all dimensions powers of two? */
 
    struct gl_texture_object *TexObject;  /**< Pointer back to parent object */
    GLuint Level;                /**< Which mipmap level am I? */
diff --git a/src/mesa/main/teximage.c b/src/mesa/main/teximage.c
index fa00183ac65..50e7b4c0794 100644
--- a/src/mesa/main/teximage.c
+++ b/src/mesa/main/teximage.c
@@ -1159,13 +1159,6 @@ _mesa_init_teximage_fields(struct gl_context *ctx, GLenum target,
 
    img->MaxLog2 = MAX2(img->WidthLog2, img->HeightLog2);
 
-   if ((width == 1 || _mesa_is_pow_two(img->Width2)) &&
-       (height == 1 || _mesa_is_pow_two(img->Height2)) &&
-       (depth == 1 || _mesa_is_pow_two(img->Depth2)))
-      img->_IsPowerOfTwo = GL_TRUE;
-   else
-      img->_IsPowerOfTwo = GL_FALSE;
-
    /* RowStride and ImageOffsets[] describe how to address texels in 'Data' */
    img->RowStride = width;
    /* Allocate the ImageOffsets array and initialize to typical values.
diff --git a/src/mesa/swrast/s_context.h b/src/mesa/swrast/s_context.h
index 8357483a27f..363115a8fea 100644
--- a/src/mesa/swrast/s_context.h
+++ b/src/mesa/swrast/s_context.h
@@ -139,10 +139,11 @@ struct swrast_texture_image
 {
    struct gl_texture_image Base;
 
+   GLboolean _IsPowerOfTwo;  /**< Are all dimensions powers of two? */
+
 #if 0
    /** used for mipmap LOD computation */
    GLfloat WidthScale, HeightScale, DepthScale;
-   GLboolean _IsPowerOfTwo;  /**< Are all dimensions powers of two? */
 
    GLubyte *Data;    /**< The actual texture data in malloc'd memory */
 
diff --git a/src/mesa/swrast/s_texfilter.c b/src/mesa/swrast/s_texfilter.c
index a7a190ab634..262ad748880 100644
--- a/src/mesa/swrast/s_texfilter.c
+++ b/src/mesa/swrast/s_texfilter.c
@@ -159,11 +159,12 @@ linear_texel_locations(GLenum wrapMode,
                        GLint size, GLfloat s,
                        GLint *i0, GLint *i1, GLfloat *weight)
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    GLfloat u;
    switch (wrapMode) {
    case GL_REPEAT:
       u = s * size - 0.5F;
-      if (img->_IsPowerOfTwo) {
+      if (swImg->_IsPowerOfTwo) {
          *i0 = IFLOOR(u) & (size - 1);
          *i1 = (*i0 + 1) & (size - 1);
       }
@@ -285,6 +286,7 @@ nearest_texel_location(GLenum wrapMode,
                        const struct gl_texture_image *img,
                        GLint size, GLfloat s)
 {
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    GLint i;
 
    switch (wrapMode) {
@@ -292,7 +294,7 @@ nearest_texel_location(GLenum wrapMode,
       /* s limited to [0,1) */
       /* i limited to [0,size-1] */
       i = IFLOOR(s * size);
-      if (img->_IsPowerOfTwo)
+      if (swImg->_IsPowerOfTwo)
          i &= (size - 1);
       else
          i = REMAINDER(i, size);
@@ -1173,7 +1175,7 @@ sample_2d_linear_repeat(struct gl_context *ctx,
    ASSERT(tObj->Sampler.WrapS == GL_REPEAT);
    ASSERT(tObj->Sampler.WrapT == GL_REPEAT);
    ASSERT(img->Border == 0);
-   ASSERT(img->_IsPowerOfTwo);
+   ASSERT(swImg->_IsPowerOfTwo);
 
    linear_repeat_texel_location(width,  texcoord[0], &i0, &i1, &wi);
    linear_repeat_texel_location(height, texcoord[1], &j0, &j1, &wj);
@@ -1320,10 +1322,11 @@ sample_linear_2d(struct gl_context *ctx,
 {
    GLuint i;
    struct gl_texture_image *image = tObj->Image[0][tObj->BaseLevel];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(image);
    (void) lambda;
    if (tObj->Sampler.WrapS == GL_REPEAT &&
        tObj->Sampler.WrapT == GL_REPEAT &&
-       image->_IsPowerOfTwo &&
+       swImg->_IsPowerOfTwo &&
        image->Border == 0) {
       for (i = 0; i < n; i++) {
          sample_2d_linear_repeat(ctx, tObj, image, texcoords[i], rgba[i]);
@@ -1352,6 +1355,7 @@ opt_sample_rgb_2d(struct gl_context *ctx,
                   const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLfloat width = (GLfloat) img->Width;
    const GLfloat height = (GLfloat) img->Height;
    const GLint colMask = img->Width - 1;
@@ -1364,7 +1368,7 @@ opt_sample_rgb_2d(struct gl_context *ctx,
    ASSERT(tObj->Sampler.WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
    ASSERT(img->TexFormat == MESA_FORMAT_RGB888);
-   ASSERT(img->_IsPowerOfTwo);
+   ASSERT(swImg->_IsPowerOfTwo);
 
    for (k=0; k<n; k++) {
       GLint i = IFLOOR(texcoords[k][0] * width) & colMask;
@@ -1394,6 +1398,7 @@ opt_sample_rgba_2d(struct gl_context *ctx,
                    const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *img = tObj->Image[0][tObj->BaseLevel];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(img);
    const GLfloat width = (GLfloat) img->Width;
    const GLfloat height = (GLfloat) img->Height;
    const GLint colMask = img->Width - 1;
@@ -1406,7 +1411,7 @@ opt_sample_rgba_2d(struct gl_context *ctx,
    ASSERT(tObj->Sampler.WrapT==GL_REPEAT);
    ASSERT(img->Border==0);
    ASSERT(img->TexFormat == MESA_FORMAT_RGBA8888);
-   ASSERT(img->_IsPowerOfTwo);
+   ASSERT(swImg->_IsPowerOfTwo);
 
    for (i = 0; i < n; i++) {
       const GLint col = IFLOOR(texcoords[i][0] * width) & colMask;
@@ -1429,13 +1434,14 @@ sample_lambda_2d(struct gl_context *ctx,
                  const GLfloat lambda[], GLfloat rgba[][4])
 {
    const struct gl_texture_image *tImg = tObj->Image[0][tObj->BaseLevel];
+   const struct swrast_texture_image *swImg = swrast_texture_image_const(tImg);
    GLuint minStart, minEnd;  /* texels with minification */
    GLuint magStart, magEnd;  /* texels with magnification */
 
    const GLboolean repeatNoBorderPOT = (tObj->Sampler.WrapS == GL_REPEAT)
       && (tObj->Sampler.WrapT == GL_REPEAT)
       && (tImg->Border == 0 && (tImg->Width == tImg->RowStride))
-      && tImg->_IsPowerOfTwo;
+      && swImg->_IsPowerOfTwo;
 
    ASSERT(lambda != NULL);
    compute_min_mag_ranges(tObj, n, lambda,
@@ -3634,17 +3640,20 @@ _swrast_choose_texture_sample_func( struct gl_context *ctx,
          else {
             /* check for a few optimized cases */
             const struct gl_texture_image *img = t->Image[0][t->BaseLevel];
+            const struct swrast_texture_image *swImg =
+               swrast_texture_image_const(img);
+
             ASSERT(t->Sampler.MinFilter == GL_NEAREST);
             if (t->Sampler.WrapS == GL_REPEAT &&
                 t->Sampler.WrapT == GL_REPEAT &&
-                img->_IsPowerOfTwo &&
+                swImg->_IsPowerOfTwo &&
                 img->Border == 0 &&
                 img->TexFormat == MESA_FORMAT_RGB888) {
                return &opt_sample_rgb_2d;
             }
             else if (t->Sampler.WrapS == GL_REPEAT &&
                      t->Sampler.WrapT == GL_REPEAT &&
-                     img->_IsPowerOfTwo &&
+                     swImg->_IsPowerOfTwo &&
                      img->Border == 0 &&
                      img->TexFormat == MESA_FORMAT_RGBA8888) {
                return &opt_sample_rgba_2d;
diff --git a/src/mesa/swrast/s_texture.c b/src/mesa/swrast/s_texture.c
index 7e3fc2806d9..14ee0ebc600 100644
--- a/src/mesa/swrast/s_texture.c
+++ b/src/mesa/swrast/s_texture.c
@@ -67,6 +67,7 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx,
                                    gl_format format, GLsizei width,
                                    GLsizei height, GLsizei depth)
 {
+   struct swrast_texture_image *swImg = swrast_texture_image(texImage);
    GLuint bytes = _mesa_format_image_size(format, width, height, depth);
 
    /* This _should_ be true (revisit if these ever fail) */
@@ -77,6 +78,13 @@ _swrast_alloc_texture_image_buffer(struct gl_context *ctx,
    assert(!texImage->Data);
    texImage->Data = _mesa_align_malloc(bytes, 512);
 
+   if ((width == 1 || _mesa_is_pow_two(texImage->Width2)) &&
+       (height == 1 || _mesa_is_pow_two(texImage->Height2)) &&
+       (depth == 1 || _mesa_is_pow_two(texImage->Depth2)))
+      swImg->_IsPowerOfTwo = GL_TRUE;
+   else
+      swImg->_IsPowerOfTwo = GL_FALSE;
+
    return texImage->Data != NULL;
 }
 
diff --git a/src/mesa/swrast/s_triangle.c b/src/mesa/swrast/s_triangle.c
index 8a9671aa08a..77bd2a35903 100644
--- a/src/mesa/swrast/s_triangle.c
+++ b/src/mesa/swrast/s_triangle.c
@@ -1038,11 +1038,14 @@ _swrast_choose_triangle( struct gl_context *ctx )
          /* Ugh, we do a _lot_ of tests to pick the best textured tri func */
          const struct gl_texture_object *texObj2D;
          const struct gl_texture_image *texImg;
+         const struct swrast_texture_image *swImg;
          GLenum minFilter, magFilter, envMode;
          gl_format format;
          texObj2D = ctx->Texture.Unit[0].CurrentTex[TEXTURE_2D_INDEX];
 
          texImg = texObj2D ? texObj2D->Image[0][texObj2D->BaseLevel] : NULL;
+         swImg = swrast_texture_image_const(texImg);
+
          format = texImg ? texImg->TexFormat : MESA_FORMAT_NONE;
          minFilter = texObj2D ? texObj2D->Sampler.MinFilter : GL_NONE;
          magFilter = texObj2D ? texObj2D->Sampler.MagFilter : GL_NONE;
@@ -1057,7 +1060,7 @@ _swrast_choose_triangle( struct gl_context *ctx )
              && texObj2D->Sampler.WrapS == GL_REPEAT
              && texObj2D->Sampler.WrapT == GL_REPEAT
              && texObj2D->_Swizzle == SWIZZLE_NOOP
-             && texImg->_IsPowerOfTwo
+             && swImg->_IsPowerOfTwo
              && texImg->Border == 0
              && texImg->Width == texImg->RowStride
              && (format == MESA_FORMAT_RGB888 || format == MESA_FORMAT_RGBA8888)