}
+/**
+ * Get the texture object for given target and texunit
+ * Proxy targets are accepted only allowProxyTarget is true.
+ * Return NULL if any error (and record the error).
+ */
+struct gl_texture_object *
+_mesa_get_texobj_by_target_and_texunit(struct gl_context *ctx, GLenum target,
+ GLuint texunit, bool allowProxyTarget,
+ const char* caller)
+{
+ struct gl_texture_unit *texUnit;
+ int targetIndex;
+
+ if (_mesa_is_proxy_texture(target) && allowProxyTarget) {
+ return _mesa_get_current_tex_object(ctx, target);
+ }
+
+ if (texunit >= ctx->Const.MaxCombinedTextureImageUnits) {
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(texunit=%d)", caller, texunit);
+ return NULL;
+ }
+
+ texUnit = _mesa_get_tex_unit(ctx, texunit);
+
+ targetIndex = _mesa_tex_target_to_index(ctx, target);
+ if (targetIndex < 0 || targetIndex == TEXTURE_BUFFER_INDEX) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target)", caller);
+ return NULL;
+ }
+ assert(targetIndex < NUM_TEXTURE_TARGETS);
+
+ return texUnit->CurrentTex[targetIndex];
+}
+
+
/**
* Allocate and initialize a new texture object. But don't put it into the
* texture object hash table.
target == GL_TEXTURE_2D_MULTISAMPLE ||
target == GL_TEXTURE_2D_MULTISAMPLE_ARRAY);
- GLenum filter = GL_LINEAR;
-
memset(obj, 0, sizeof(*obj));
/* init the non-zero fields */
simple_mtx_init(&obj->Mutex, mtx_plain);
obj->RequiredTextureImageUnits = 1;
/* sampler state */
- switch (target) {
- case GL_TEXTURE_2D_MULTISAMPLE:
- case GL_TEXTURE_2D_MULTISAMPLE_ARRAY:
- filter = GL_NEAREST;
- /* fallthrough */
-
- case GL_TEXTURE_RECTANGLE_NV:
- case GL_TEXTURE_EXTERNAL_OES:
- obj->Sampler.WrapS = GL_CLAMP_TO_EDGE;
- obj->Sampler.WrapT = GL_CLAMP_TO_EDGE;
- obj->Sampler.WrapR = GL_CLAMP_TO_EDGE;
- obj->Sampler.MinFilter = filter;
- obj->Sampler.MagFilter = filter;
- break;
-
- default:
- obj->Sampler.WrapS = GL_REPEAT;
- obj->Sampler.WrapT = GL_REPEAT;
- obj->Sampler.WrapR = GL_REPEAT;
- obj->Sampler.MinFilter = GL_NEAREST_MIPMAP_LINEAR;
- obj->Sampler.MagFilter = GL_LINEAR;
- break;
+ if (target == GL_TEXTURE_RECTANGLE_NV ||
+ target == GL_TEXTURE_EXTERNAL_OES) {
+ obj->Sampler.WrapS = GL_CLAMP_TO_EDGE;
+ obj->Sampler.WrapT = GL_CLAMP_TO_EDGE;
+ obj->Sampler.WrapR = GL_CLAMP_TO_EDGE;
+ obj->Sampler.MinFilter = GL_LINEAR;
}
-
+ else {
+ obj->Sampler.WrapS = GL_REPEAT;
+ obj->Sampler.WrapT = GL_REPEAT;
+ obj->Sampler.WrapR = GL_REPEAT;
+ obj->Sampler.MinFilter = GL_NEAREST_MIPMAP_LINEAR;
+ }
+ obj->Sampler.MagFilter = GL_LINEAR;
obj->Sampler.MinLod = -1000.0;
obj->Sampler.MaxLod = 1000.0;
obj->Sampler.LodBias = 0.0;
/* Adjust max level for views: the data store may have more levels than
* the view exposes.
*/
- t->_MaxLevel = MIN2(t->_MaxLevel, t->NumLevels - 1);
+ t->_MaxLevel = MAX2(MIN2(t->_MaxLevel, t->NumLevels - 1), 0);
}
/* Compute _MaxLambda = q - p in the spec used during mipmapping */
bind_texture_object(ctx, ctx->Texture.CurrentUnit, tex_obj);
}
-/**
- * Implement glBindTexture(). Do error checking, look-up or create a new
- * texture object, then bind it in the current texture unit.
- *
- * \param target texture target.
- * \param texName texture name.
- */
-static ALWAYS_INLINE void
-bind_texture(struct gl_context *ctx, GLenum target, GLuint texName,
- bool no_error)
+struct gl_texture_object *
+_mesa_lookup_or_create_texture(struct gl_context *ctx, GLenum target,
+ GLuint texName, bool no_error, bool is_ext_dsa,
+ const char *caller)
{
struct gl_texture_object *newTexObj = NULL;
int targetIndex;
+ if (is_ext_dsa) {
+ if (_mesa_is_proxy_texture(target)) {
+ /* EXT_dsa allows proxy targets only when texName is 0 */
+ if (texName != 0) {
+ _mesa_error(ctx, GL_INVALID_OPERATION, "%s(target = %s)", caller,
+ _mesa_enum_to_string(target));
+ return NULL;
+ }
+ return _mesa_get_current_tex_object(ctx, target);
+ }
+ if (GL_TEXTURE_CUBE_MAP_POSITIVE_X <= target &&
+ target <= GL_TEXTURE_CUBE_MAP_NEGATIVE_Z) {
+ target = GL_TEXTURE_CUBE_MAP;
+ }
+ }
+
targetIndex = _mesa_tex_target_to_index(ctx, target);
if (!no_error && targetIndex < 0) {
- _mesa_error(ctx, GL_INVALID_ENUM, "glBindTexture(target = %s)",
+ _mesa_error(ctx, GL_INVALID_ENUM, "%s(target = %s)", caller,
_mesa_enum_to_string(target));
- return;
+ return NULL;
}
assert(targetIndex < NUM_TEXTURE_TARGETS);
/* The named texture object's target doesn't match the
* given target
*/
- _mesa_error( ctx, GL_INVALID_OPERATION,
- "glBindTexture(target mismatch)" );
- return;
+ _mesa_error(ctx, GL_INVALID_OPERATION,
+ "%s(target mismatch)", caller);
+ return NULL;
}
if (newTexObj->Target == 0) {
finish_texture_init(ctx, target, newTexObj, targetIndex);
}
- }
- else {
+ } else {
if (!no_error && ctx->API == API_OPENGL_CORE) {
_mesa_error(ctx, GL_INVALID_OPERATION,
- "glBindTexture(non-gen name)");
- return;
+ "%s(non-gen name)", caller);
+ return NULL;
}
/* if this is a new texture id, allocate a texture object now */
newTexObj = ctx->Driver.NewTextureObject(ctx, texName, target);
if (!newTexObj) {
- _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
- return;
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "%s", caller);
+ return NULL;
}
/* and insert it into hash table */
assert(newTexObj->Target == target);
assert(newTexObj->TargetIndex == targetIndex);
- bind_texture_object(ctx, ctx->Texture.CurrentUnit, newTexObj);
+ return newTexObj;
+}
+
+/**
+ * Implement glBindTexture(). Do error checking, look-up or create a new
+ * texture object, then bind it in the current texture unit.
+ *
+ * \param target texture target.
+ * \param texName texture name.
+ * \param texunit texture unit.
+ */
+static ALWAYS_INLINE void
+bind_texture(struct gl_context *ctx, GLenum target, GLuint texName,
+ GLenum texunit, bool no_error, const char *caller)
+{
+ struct gl_texture_object *newTexObj =
+ _mesa_lookup_or_create_texture(ctx, target, texName, no_error, false,
+ "glBindTexture");
+ if (!newTexObj)
+ return;
+
+ bind_texture_object(ctx, texunit, newTexObj);
}
void GLAPIENTRY
_mesa_BindTexture_no_error(GLenum target, GLuint texName)
{
GET_CURRENT_CONTEXT(ctx);
- bind_texture(ctx, target, texName, true);
+ bind_texture(ctx, target, texName, ctx->Texture.CurrentUnit, true,
+ "glBindTexture");
}
_mesa_debug(ctx, "glBindTexture %s %d\n",
_mesa_enum_to_string(target), (GLint) texName);
- bind_texture(ctx, target, texName, false);
+ bind_texture(ctx, target, texName, ctx->Texture.CurrentUnit, false,
+ "glBindTexture");
+}
+
+
+void GLAPIENTRY
+_mesa_BindMultiTextureEXT(GLenum texunit, GLenum target, GLuint texture)
+{
+ GET_CURRENT_CONTEXT(ctx);
+
+ unsigned unit = texunit - GL_TEXTURE0;
+
+ if (texunit < GL_TEXTURE0 || unit >= _mesa_max_tex_unit(ctx)) {
+ _mesa_error(ctx, GL_INVALID_ENUM, "glBindMultiTextureEXT(texunit=%s)",
+ _mesa_enum_to_string(texunit));
+ return;
+ }
+
+ if (MESA_VERBOSE & (VERBOSE_API|VERBOSE_TEXTURE))
+ _mesa_debug(ctx, "glBindMultiTextureEXT %s %d\n",
+ _mesa_enum_to_string(texunit), (GLint) texture);
+
+ bind_texture(ctx, target, texture, unit, false, "glBindMultiTextureEXT");
}
projects / mesa.git / blobdiff