summaryrefslogtreecommitdiffstats
path: root/src/mesa/main/texobj.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/main/texobj.c')
-rw-r--r--src/mesa/main/texobj.c69
1 files changed, 44 insertions, 25 deletions
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index c07e1ceba1b..da27d9236e9 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -262,7 +262,8 @@ _mesa_copy_texture_object( struct gl_texture_object *dest,
dest->_MaxLevel = src->_MaxLevel;
dest->_MaxLambda = src->_MaxLambda;
dest->GenerateMipmap = src->GenerateMipmap;
- dest->_Complete = src->_Complete;
+ dest->_BaseComplete = src->_BaseComplete;
+ dest->_MipmapComplete = src->_MipmapComplete;
COPY_4V(dest->Swizzle, src->Swizzle);
dest->_Swizzle = src->_Swizzle;
@@ -386,14 +387,26 @@ _mesa_reference_texobj_(struct gl_texture_object **ptr,
}
+enum base_mipmap { BASE, MIPMAP };
+
/**
- * Mark a texture object as incomplete.
+ * Mark a texture object as incomplete. There are actually three kinds of
+ * (in)completeness:
+ * 1. "base incomplete": the base level of the texture is invalid so no
+ * texturing is possible.
+ * 2. "mipmap incomplete": a non-base level of the texture is invalid so
+ * mipmap filtering isn't possible, but non-mipmap filtering is.
+ * 3. "texture incompleteness": some combination of texture state and
+ * sampler state renders the texture incomplete.
+ *
* \param t texture object
+ * \param bm either BASE or MIPMAP to indicate what's incomplete
* \param fmt... string describing why it's incomplete (for debugging).
*/
static void
-incomplete(struct gl_texture_object *t, const char *fmt, ...)
+incomplete(struct gl_texture_object *t, enum base_mipmap bm,
+ const char *fmt, ...)
{
#if 0
va_list args;
@@ -405,7 +418,9 @@ incomplete(struct gl_texture_object *t, const char *fmt, ...)
printf("Texture Obj %d incomplete because: %s\n", t->Name, s);
#endif
- t->_Complete = GL_FALSE;
+ if (bm == BASE)
+ t->_BaseComplete = GL_FALSE;
+ t->_MipmapComplete = GL_FALSE;
}
@@ -429,18 +444,20 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
const struct gl_texture_image *baseImage;
GLint maxLog2 = 0, maxLevels = 0;
- t->_Complete = GL_TRUE; /* be optimistic */
+ /* We'll set these to FALSE if tests fail below */
+ t->_BaseComplete = GL_TRUE;
+ t->_MipmapComplete = GL_TRUE;
/* Detect cases where the application set the base level to an invalid
* value.
*/
if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) {
- incomplete(t, "base level = %d is invalid", baseLevel);
+ incomplete(t, BASE, "base level = %d is invalid", baseLevel);
return;
}
if (t->MaxLevel < baseLevel) {
- incomplete(t, "MAX_LEVEL (%d) < BASE_LEVEL (%d)",
+ incomplete(t, BASE, "MAX_LEVEL (%d) < BASE_LEVEL (%d)",
t->MaxLevel, baseLevel);
return;
}
@@ -449,7 +466,7 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
/* Always need the base level image */
if (!baseImage) {
- incomplete(t, "Image[baseLevel=%d] == NULL", baseLevel);
+ incomplete(t, BASE, "Image[baseLevel=%d] == NULL", baseLevel);
return;
}
@@ -457,7 +474,7 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
if (baseImage->Width == 0 ||
baseImage->Height == 0 ||
baseImage->Depth == 0) {
- incomplete(t, "texture width or height or depth = 0");
+ incomplete(t, BASE, "texture width or height or depth = 0");
return;
}
@@ -525,26 +542,26 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
if (t->Image[face][baseLevel] == NULL ||
t->Image[face][baseLevel]->Width2 != w ||
t->Image[face][baseLevel]->Height2 != h) {
- incomplete(t, "Cube face missing or mismatched size");
+ incomplete(t, BASE, "Cube face missing or mismatched size");
return;
}
}
}
/*
- * Do mipmap consistency checking
+ * Do mipmap consistency checking.
+ * Note: we don't care about the current texture sampler state here.
+ * To determine texture completeness we'll either look at _BaseComplete
+ * or _MipmapComplete depending on the current minification filter mode.
*/
- if (t->Sampler.MinFilter != GL_NEAREST && t->Sampler.MinFilter != GL_LINEAR) {
- /*
- * Mipmapping: determine if we have a complete set of mipmaps
- */
+ {
GLint i;
const GLint minLevel = baseLevel;
const GLint maxLevel = t->_MaxLevel;
GLuint width, height, depth, face, numFaces = 1;
if (minLevel > maxLevel) {
- incomplete(t, "minLevel > maxLevel");
+ incomplete(t, BASE, "minLevel > maxLevel");
return;
}
@@ -572,27 +589,27 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
const struct gl_texture_image *img = t->Image[face][i];
if (!img) {
- incomplete(t, "TexImage[%d] is missing", i);
+ incomplete(t, MIPMAP, "TexImage[%d] is missing", i);
return;
}
if (img->TexFormat != baseImage->TexFormat) {
- incomplete(t, "Format[i] != Format[baseLevel]");
+ incomplete(t, MIPMAP, "Format[i] != Format[baseLevel]");
return;
}
if (img->Border != baseImage->Border) {
- incomplete(t, "Border[i] != Border[baseLevel]");
+ incomplete(t, MIPMAP, "Border[i] != Border[baseLevel]");
return;
}
if (img->Width2 != width) {
- incomplete(t, "TexImage[%d] bad width %u", i, img->Width2);
+ incomplete(t, MIPMAP, "TexImage[%d] bad width %u", i, img->Width2);
return;
}
if (img->Height2 != height) {
- incomplete(t, "TexImage[%d] bad height %u", i, img->Height2);
+ incomplete(t, MIPMAP, "TexImage[%d] bad height %u", i, img->Height2);
return;
}
if (img->Depth2 != depth) {
- incomplete(t, "TexImage[%d] bad depth %u", i, img->Depth2);
+ incomplete(t, MIPMAP, "TexImage[%d] bad depth %u", i, img->Depth2);
return;
}
@@ -601,7 +618,7 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
/* check that cube faces are the same size */
if (img->Width2 != t->Image[0][i]->Width2 ||
img->Height2 != t->Image[0][i]->Height2) {
- incomplete(t, "CubeMap Image[n][i] bad size");
+ incomplete(t, MIPMAP, "CubeMap Image[n][i] bad size");
return;
}
}
@@ -666,7 +683,8 @@ void
_mesa_dirty_texobj(struct gl_context *ctx, struct gl_texture_object *texObj,
GLboolean invalidate_state)
{
- texObj->_Complete = GL_FALSE;
+ texObj->_BaseComplete = GL_FALSE;
+ texObj->_MipmapComplete = GL_FALSE;
if (invalidate_state)
ctx->NewState |= _NEW_TEXTURE;
}
@@ -789,7 +807,8 @@ _mesa_get_fallback_texture(struct gl_context *ctx, gl_texture_index tex)
}
_mesa_test_texobj_completeness(ctx, texObj);
- assert(texObj->_Complete);
+ assert(texObj->_BaseComplete);
+ assert(texObj->_MipmapComplete);
ctx->Shared->FallbackTex[tex] = texObj;
}