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Remove _IsPowerOfTwo from gl_texture_object, not really needed.

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This commit is contained in:
Brian Paul
2005-10-05 04:07:50 +00:00
parent 198a88923c
commit 06f606ce57
4 changed files with 24 additions and 32 deletions
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1
src/mesa/main/mtypes.h
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@@ -1299,7 +1299,6 @@ struct gl_texture_object
GLint _MaxLevel; /**< actual max mipmap level (q in the spec) */
GLfloat _MaxLambda; /**< = _MaxLevel - BaseLevel (q - b in spec) */
GLboolean GenerateMipmap; /**< GL_SGIS_generate_mipmap */
GLboolean _IsPowerOfTwo; /**< Are all image dimensions powers of two? */
GLboolean Complete; /**< Is texture object complete? */
/** Actual texture images, indexed by [cube face] and [mipmap level] */

7
src/mesa/main/texobj.c
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@@ -201,7 +201,6 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
dest->GenerateMipmap = src->GenerateMipmap;
dest->Palette = src->Palette;
dest->Complete = src->Complete;
dest->_IsPowerOfTwo = src->_IsPowerOfTwo;
}
@@ -244,7 +243,6 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
GLint maxLog2 = 0, maxLevels = 0;
t->Complete = GL_TRUE; /* be optimistic */
t->_IsPowerOfTwo = GL_TRUE; /* may be set FALSE below */
/* Always need the base level image */
if (!t->Image[0][baseLevel]) {
@@ -320,11 +318,6 @@ _mesa_test_texobj_completeness( const GLcontext *ctx,
}
}
/* check for non power of two */
if (!t->Image[0][baseLevel]->_IsPowerOfTwo) {
t->_IsPowerOfTwo = GL_FALSE;
}
/* extra checking for mipmaps */
if (t->MinFilter != GL_NEAREST && t->MinFilter != GL_LINEAR) {
/*

46
src/mesa/swrast/s_texfilter.c
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@@ -241,7 +241,7 @@ repeat_remainder(GLint a, GLint b)
switch (wrapMode) { \
case GL_REPEAT: \
U = S * SIZE - 0.5F; \
if (tObj->_IsPowerOfTwo) { \
if (img->_IsPowerOfTwo) { \
I0 = IFLOOR(U) & (SIZE - 1); \
I1 = (I0 + 1) & (SIZE - 1); \
} \
@@ -363,7 +363,7 @@ repeat_remainder(GLint a, GLint b)
/* s limited to [0,1) */ \
/* i limited to [0,size-1] */ \
I = IFLOOR(S * SIZE); \
if (tObj->_IsPowerOfTwo) \
if (img->_IsPowerOfTwo) \
I &= (SIZE - 1); \
else \
I = repeat_remainder(I, SIZE); \
@@ -1152,7 +1152,6 @@ sample_2d_linear_mipmap_linear_repeat( GLcontext *ctx,
ASSERT(lambda != NULL);
ASSERT(tObj->WrapS == GL_REPEAT);
ASSERT(tObj->WrapT == GL_REPEAT);
ASSERT(tObj->_IsPowerOfTwo);
for (i = 0; i < n; i++) {
GLint level = linear_mipmap_level(tObj, lambda[i]);
if (level >= tObj->_MaxLevel) {
@@ -2239,9 +2238,9 @@ sample_depth_texture( GLcontext *ctx,
GLchan texel[][4] )
{
const GLint baseLevel = tObj->BaseLevel;
const struct gl_texture_image *texImage = tObj->Image[0][baseLevel];
const GLuint width = texImage->Width;
const GLuint height = texImage->Height;
const struct gl_texture_image *img = tObj->Image[0][baseLevel];
const GLuint width = img->Width;
const GLuint height = img->Height;
GLchan ambient;
GLenum function;
GLchan result;
@@ -2286,7 +2285,7 @@ sample_depth_texture( GLcontext *ctx,
/* XXX fix for texture rectangle! */
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapS, texcoords[i][0], width, col);
COMPUTE_NEAREST_TEXEL_LOCATION(tObj->WrapT, texcoords[i][1], height, row);
texImage->FetchTexelf(texImage, col, row, 0, &depthSample);
img->FetchTexelf(img, col, row, 0, &depthSample);
switch (function) {
case GL_LEQUAL:
@@ -2359,11 +2358,11 @@ sample_depth_texture( GLcontext *ctx,
COMPUTE_LINEAR_TEXEL_LOCATIONS(tObj->WrapT, texcoords[i][1], v, height,j0, j1);
useBorderTexel = 0;
if (texImage->Border) {
i0 += texImage->Border;
i1 += texImage->Border;
j0 += texImage->Border;
j1 += texImage->Border;
if (img->Border) {
i0 += img->Border;
i1 += img->Border;
j0 += img->Border;
j1 += img->Border;
}
else {
if (i0 < 0 || i0 >= (GLint) width) useBorderTexel |= I0BIT;
@@ -2377,25 +2376,25 @@ sample_depth_texture( GLcontext *ctx,
depth00 = 1.0;
}
else {
texImage->FetchTexelf(texImage, i0, j0, 0, &depth00);
img->FetchTexelf(img, i0, j0, 0, &depth00);
}
if (useBorderTexel & (I1BIT | J0BIT)) {
depth10 = 1.0;
}
else {
texImage->FetchTexelf(texImage, i1, j0, 0, &depth10);
img->FetchTexelf(img, i1, j0, 0, &depth10);
}
if (useBorderTexel & (I0BIT | J1BIT)) {
depth01 = 1.0;
}
else {
texImage->FetchTexelf(texImage, i0, j1, 0, &depth01);
img->FetchTexelf(img, i0, j1, 0, &depth01);
}
if (useBorderTexel & (I1BIT | J1BIT)) {
depth11 = 1.0;
}
else {
texImage->FetchTexelf(texImage, i1, j1, 0, &depth11);
img->FetchTexelf(img, i1, j1, 0, &depth11);
}
if (0) {
@@ -2675,20 +2674,21 @@ _swrast_choose_texture_sample_func( GLcontext *ctx,
return &sample_linear_2d;
}
else {
GLint baseLevel = t->BaseLevel;
/* check for a few optimized cases */
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 &&
t->_IsPowerOfTwo &&
t->Image[0][baseLevel]->Border == 0 &&
t->Image[0][baseLevel]->TexFormat->MesaFormat == MESA_FORMAT_RGB) {
img->_IsPowerOfTwo &&
img->Border == 0 &&
img->TexFormat->MesaFormat == MESA_FORMAT_RGB) {
return &opt_sample_rgb_2d;
}
else if (t->WrapS == GL_REPEAT &&
t->WrapT == GL_REPEAT &&
t->_IsPowerOfTwo &&
t->Image[0][baseLevel]->Border == 0 &&
t->Image[0][baseLevel]->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
img->_IsPowerOfTwo &&
img->Border == 0 &&
img->TexFormat->MesaFormat == MESA_FORMAT_RGBA) {
return &opt_sample_rgba_2d;
}
else {

2
src/mesa/swrast/s_triangle.c
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@@ -1093,7 +1093,7 @@ _swrast_choose_triangle( GLcontext *ctx )
&& ctx->Texture.Unit[0]._ReallyEnabled == TEXTURE_2D_BIT
&& texObj2D->WrapS == GL_REPEAT
&& texObj2D->WrapT == GL_REPEAT
&& texObj2D->_IsPowerOfTwo
&& texImg->_IsPowerOfTwo
&& texImg->Border == 0
&& texImg->Width == texImg->RowStride
&& (format == MESA_FORMAT_RGB || format == MESA_FORMAT_RGBA)