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Diffstat (limited to 'src/mesa/main/texobj.c')
-rw-r--r--src/mesa/main/texobj.c70
1 files changed, 43 insertions, 27 deletions
diff --git a/src/mesa/main/texobj.c b/src/mesa/main/texobj.c
index 72dbf10cc4b..5bc5639dbf7 100644
--- a/src/mesa/main/texobj.c
+++ b/src/mesa/main/texobj.c
@@ -372,15 +372,12 @@ _mesa_reference_texobj(struct gl_texture_object **ptr,
/**
- * Report why a texture object is incomplete.
- *
- * \param t texture object.
- * \param why string describing why it's incomplete.
- *
- * \note For debug purposes only.
+ * Mark a texture object as incomplete.
+ * \param t texture object
+ * \param fmt... string describing why it's incomplete (for debugging).
*/
static void
-incomplete(const struct gl_texture_object *t, const char *fmt, ...)
+incomplete(struct gl_texture_object *t, const char *fmt, ...)
{
#if 0
va_list args;
@@ -392,6 +389,7 @@ incomplete(const struct gl_texture_object *t, const char *fmt, ...)
printf("Texture Obj %d incomplete because: %s\n", t->Name, s);
#endif
+ t->_Complete = GL_FALSE;
}
@@ -421,14 +419,12 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
*/
if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS)) {
incomplete(t, "base level = %d is invalid", baseLevel);
- t->_Complete = GL_FALSE;
return;
}
/* Always need the base level image */
if (!t->Image[0][baseLevel]) {
incomplete(t, "Image[baseLevel=%d] == NULL", baseLevel);
- t->_Complete = GL_FALSE;
return;
}
@@ -437,7 +433,6 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
t->Image[0][baseLevel]->Height == 0 ||
t->Image[0][baseLevel]->Depth == 0) {
incomplete(t, "texture width = 0");
- t->_Complete = GL_FALSE;
return;
}
@@ -491,7 +486,6 @@ _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) {
- t->_Complete = GL_FALSE;
incomplete(t, "Cube face missing or mismatched size");
return;
}
@@ -508,7 +502,6 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
GLint maxLevel = t->_MaxLevel;
if (minLevel > maxLevel) {
- t->_Complete = GL_FALSE;
incomplete(t, "minLevel > maxLevel");
return;
}
@@ -517,12 +510,10 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
for (i = minLevel; i <= maxLevel; i++) {
if (t->Image[0][i]) {
if (t->Image[0][i]->TexFormat != t->Image[0][baseLevel]->TexFormat) {
- t->_Complete = GL_FALSE;
incomplete(t, "Format[i] != Format[baseLevel]");
return;
}
if (t->Image[0][i]->Border != t->Image[0][baseLevel]->Border) {
- t->_Complete = GL_FALSE;
incomplete(t, "Border[i] != Border[baseLevel]");
return;
}
@@ -540,12 +531,10 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
}
if (i >= minLevel && i <= maxLevel) {
if (!t->Image[0][i]) {
- t->_Complete = GL_FALSE;
incomplete(t, "1D Image[0][i] == NULL");
return;
}
if (t->Image[0][i]->Width2 != width ) {
- t->_Complete = GL_FALSE;
incomplete(t, "1D Image[0][i] bad width");
return;
}
@@ -569,17 +558,14 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
}
if (i >= minLevel && i <= maxLevel) {
if (!t->Image[0][i]) {
- t->_Complete = GL_FALSE;
incomplete(t, "2D Image[0][i] == NULL");
return;
}
if (t->Image[0][i]->Width2 != width) {
- t->_Complete = GL_FALSE;
incomplete(t, "2D Image[0][i] bad width");
return;
}
if (t->Image[0][i]->Height2 != height) {
- t->_Complete = GL_FALSE;
incomplete(t, "2D Image[0][i] bad height");
return;
}
@@ -607,26 +593,21 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
if (i >= minLevel && i <= maxLevel) {
if (!t->Image[0][i]) {
incomplete(t, "3D Image[0][i] == NULL");
- t->_Complete = GL_FALSE;
return;
}
if (t->Image[0][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
- t->_Complete = GL_FALSE;
incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
return;
}
if (t->Image[0][i]->Width2 != width) {
- t->_Complete = GL_FALSE;
incomplete(t, "3D Image[0][i] bad width");
return;
}
if (t->Image[0][i]->Height2 != height) {
- t->_Complete = GL_FALSE;
incomplete(t, "3D Image[0][i] bad height");
return;
}
if (t->Image[0][i]->Depth2 != depth) {
- t->_Complete = GL_FALSE;
incomplete(t, "3D Image[0][i] bad depth");
return;
}
@@ -652,20 +633,17 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
for (face = 0; face < 6; face++) {
/* check that we have images defined */
if (!t->Image[face][i]) {
- t->_Complete = GL_FALSE;
incomplete(t, "CubeMap Image[n][i] == NULL");
return;
}
/* Don't support GL_DEPTH_COMPONENT for cube maps */
if (t->Image[face][i]->_BaseFormat == GL_DEPTH_COMPONENT) {
- t->_Complete = GL_FALSE;
incomplete(t, "GL_DEPTH_COMPONENT only works with 1/2D tex");
return;
}
/* check that all six images have same size */
if (t->Image[face][i]->Width2 != width ||
t->Image[face][i]->Height2 != height) {
- t->_Complete = GL_FALSE;
incomplete(t, "CubeMap Image[n][i] bad size");
return;
}
@@ -688,6 +666,44 @@ _mesa_test_texobj_completeness( const struct gl_context *ctx,
/**
+ * Check if the given cube map texture is "cube complete" as defined in
+ * the OpenGL specification.
+ */
+GLboolean
+_mesa_cube_complete(const struct gl_texture_object *texObj)
+{
+ const GLint baseLevel = texObj->BaseLevel;
+ const struct gl_texture_image *img0, *img;
+ GLuint face;
+
+ if (texObj->Target != GL_TEXTURE_CUBE_MAP)
+ return GL_FALSE;
+
+ if ((baseLevel < 0) || (baseLevel >= MAX_TEXTURE_LEVELS))
+ return GL_FALSE;
+
+ /* check first face */
+ img0 = texObj->Image[0][baseLevel];
+ if (!img0 ||
+ img0->Width < 1 ||
+ img0->Width != img0->Height)
+ return GL_FALSE;
+
+ /* check remaining faces vs. first face */
+ for (face = 1; face < 6; face++) {
+ img = texObj->Image[face][baseLevel];
+ if (!img ||
+ img->Width != img0->Width ||
+ img->Height != img0->Height ||
+ img->TexFormat != img0->TexFormat)
+ return GL_FALSE;
+ }
+
+ return GL_TRUE;
+}
+
+
+/**
* Mark a texture object dirty. It forces the object to be incomplete
* and optionally forces the context to re-validate its state.
*
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 09:47:48 +0000